Answer:
Explanation:
In this question, we are told that we have 0.300 molar n, a n o 3. So we have a material, and our goal should be obvious to us. So we have to determine, but this item is molarity or concentration concentration. It is the molarity indirectly. So, in this scenario, we must determine the molarity or concentration of sodium ions and positive ions. So, what's the deal here? To begin, we should understand this n, a n o 3 point. It is an ionic molecule, therefore it will entirely dissociate why it will completely dissociate. We can argue that it can dissociate partially as well, but we are stating that it will dissociate fully since it is a strong acid and strong base, therefore it ferocites totally into sodium and nitrate irons. So, what happens next? We should understand molarity, which is equivalent to concentration and is denoted as a mole. So we can create this formulary in this specific scenario now fording. What we are capable of. We may state that in this situation, we have this 0.300 point. It is molarity, thus 0.300 moles of n a n o 3 are present and are dissolved in the 1 later, so n, a m o 3. We have 0.300 mole, and on differentiation, it will give us an a positive and a no 3 negative, and the concentration of these iron will also be this amount since it is a combination that is completely dissociated. So sodium concentration may be represented as moles are 0.300 divided by volume on later. As a result, it will likewise be 0.300 molar. It is a sodium iron concentration here. Hope this helps
Question 3 (6 points)
Magnesium metal reacts quantitatively with oxygen to give magnesium oxide, MgO. If 5.00 g of Mg and 5.00 g of O2 are allowed to react, what weight of MgO is formed, and what weight of which reactant is left in excess?
Question 4 (6 points)
Mr.T thinks the windows need cleaning (instead of preparing his lesson), (What a mistake!). So instead he starts cleaning his office because it is a disaster. He pulls out the ammonia (NH3) and gets to work. It takes him 5 hours!! During that time he decides to do a little chemistry, because he doesn't want to fall behind. He weighs his bottle of ammonia before (32.3g) and after (30.7g) he cleans. Using this information, he calculates how many atoms are present in the ammonia he used during cleaning.
Question 5 (6 points)
Mr.T keeps getting in trouble for not cleaning his plate completely after supper every night. He argues that it is because there is water-insoluble compounds on his plate so the water won't clean it. Being the cheeky chemist that he is he comes up with a method to make carbon disulfide, a natural solvent for water-insoluble compounds like fats, oils, and waxes. He is going to make millions!! The unbalanced reaction is shown below. When 27.5 g of carbon reacts with 235 g of sulfur dioxide, what mass of carbon disulfide can Mr.T make? Balance the following equation and use it to determine the limiting reagent in order to answer the problem.
To produce MgO, two moles of Mg are required for one mole of oxygen gas. The number of moles of O₂ in 5 g is 0.15 and needs 0.31 moles of Mg. But there is only 0.20 moles of Mg in 5 g. Hence, 0.11 mole of oxygen goes excess.
What is magnesium oxide?Magnesium oxide is formed by the reaction of Mg metal with oxygen gas as written below:
[tex]\rm 2Mg + O_{2} \rightarrow 2 MgO[/tex]
Mass of Mg = 24 g/mol
number of moles in 5 g = 5/24 = 0.20
mass of oxygen = 32 g/mol
number of moles in 5 g = 5 /32 = 0.156
one mole of oxygen gas needs 2 moles of Mg. Hence, 0.15 moles needs 0.31 moles. There is only 0.20 moles. Hence Mg is the limiting reactant. And oxygen goes excess by 0.11 moles.
Two moles of Mg produces 2 moles of MgO. Hence, 0.208 moles produces 0.20 moles or 8.32 g of MgO (molar mass- 40 g/mol).
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26. In Rutherford's alpha scattering experiment, a few of the alpha particles aimed at a thin gold foil bounced back because
A. The positively charged alpha particles were repelled by a negatively charged nucleus in the gold atom.
B. The positively charged alpha particles were repelled by a positively charged nucleus in the gold atom.
C. The negatively charged alpha particles were repelled by a negatively charged nucleus in the gold atom.
D. The negatively charged alpha particles were attracted to a positively charged nucleus in the gold atom.
Answer:
A
Explanation:
The positively charged alpha particles were repelled by a negatively charged nucleus in the gold atom.
3. Name the following organic compounds
Answer:
Hydrocarbons. Alkanes. Alkenes. Alkynes.
Cyclic Hydrocarbons.
Aromatic Hydrocarbons.
Alcohols.
Based on valence bond theory, which statement best describes the electron geometry, bonding and hybridization of the central atom in carbon tetrachloride? The electron geometry of carbon in carbon tetrachloride is tetrahedral with a sp3 hybridization.
Based on valence bond theory, which statement best describes the electron geometry, bonding and hybridization of the central atom in carbon tetrachloride? The electron geometry of carbon in carbon tetrachloride is tetrahedral with a sp3 hybridization.
The bonding in carbon tetrachloride involves the overlap of the valence orbitals on the carbon atom with the valence orbitals on the four chlorine atoms. The hybridization of the carbon atom in carbon tetrachloride is sp3, meaning that the four valence orbitals on the carbon atom are mixed together to form four equivalent sp3 hybrid orbitals. These hybrid orbitals are used to form the four bonds with the chlorine atoms. Therefore, the statement "The electron geometry of carbon in carbon tetrachloride is tetrahedral with a sp3 hybridization" accurately describes the electron geometry, bonding, and hybridization of the central atom in carbon tetrachloride.
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Propranolol is metabolized to a number of metabolites, the primary metabolite in man being napthoxylactic acid: Utilizing your knowledge of drug metabolism principles, describe the metabolic reactions involved.
Initial metabolism of propranolol occurs primarily through three pathways: glucuronidation (17%), side chain oxidation (20%), and ring oxidation (around 33% of dosage).
A beta blocker is a category of medication that includes propranolol. Propranolol functions similarly to other beta blockers by altering how your body reacts to certain nerve impulses, particularly those in the heart. It lowers your heart rate and makes it simpler for your heart to flow blood throughout your body.
Infants, children, and adults without diabetes may also experience low blood sugar as a result of this medication. This is particularly probable following extended periods of exercise or if you have kidney issues. Propranolol should not be taken by anyone who has asthma or other respiratory issues. Your asthma may deteriorate as a result.
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he presence of n atoms in a compound can sometimes be inferred from the molecular mass. match the number of n atoms to the effect on the molecular mass
The presence of n atoms in a compound can sometimes be inferred from the molecular mass, even number of N atoms but 0 N atoms.
A nucleus and one or more electrons connected to it make up each atoms. The nucleus is composed of one or more protons and a sizable number of neutrons. Only the most common kind of hydrogen has no neutrons. Each neutral or ionized atom makes up a solid, liquid, gas, or type of plasma. Atoms are very small, with an average diameter of 100 picometers. They are so small because of quantum phenomena that classical physics cannot accurately predict their behavior, as it would be the case, for instance, if they were tennis balls. More than 99.94% of the mass of an atom is found in its nucleus. Protons have a positive electric charge, while electrons have a negative charge and neutrons have no electric charge. If the protons and electrons in the atom are equal, the atom is electrically neutral. If an atom has more electrons than protons, it has an overall charge of either positive or negative; these atoms are referred to as ions.
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Arrange the compounds below in decreasing order of the ionic character of the bonds in them. That is, pick 1 for the compound with the most ionic bonds, pick 2 for the compound with the next most ionic bonds, and so on. PC13 (Choose one) Cl2 (Choose one) Cscl (Choose one) SCI4 (Choose one)
According to the ionic character of the bonds in the given compound, The descending order is CsCl > PCl3 > SCl4 > Cl2 .
Ionic character is the measurement of polarity of the bond which can be calculated using the electronegativity of the cation and anions in the compound by substracting electronegativity of anion with electronegativity of cation.
Greater the difference between electronegativity of cations and anions then greater the polarity and greater the ionic character.
As the anion is chloride which is common in all the above molecules like PCl3, Cl2, CsCl and SCl4. Hence the smaller the electronegativity value of cation greater the polarity i.e. large the difference of electronegativity between cations and anions.
Ionic character of PCl3 = Electronegativity of chlorine - Electronegativity of Phosphorous = 3.0 - 2.1 = 0.9
Ionic character of Cl2 = 3-3 = 0
Ionic character of CsCl = 3-0.7 = 2.3
Ionic character of SCl4 = 3-2.5 = 0.5
From above calculations we can say that :
CsCl > PCl3 > SCl4 > Cl2 ( decreasing order of ionic character)
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Question 4
How many moles of CuSO4 are there in 7.87 x 1024 molecules of CuSO4?
Answer:
8058.88
Explanation:
7.87 x 1024=8058.88
you got this bro!
Carbonated beverages are infused withnitrogen gascarbon dioxide gasoxygen gasxenon gas
Drinks that have carbon dioxide dissolved in the water are referred to as carbonated beverages. The presence of this gas causes the liquid to froth and bubble.
Carbonation can happen underground naturally or artificially by applying pressure. Spring water, beer and soda, and pop are a few examples of carbonated beverages. Additionally, when carbon dioxide gas is absorbed in a liquid, such as spring water, which absorbs CO2 from the subsurface, carbonation can happen naturally. Beer is another naturally carbonated beverage because the brewing process produces carbon dioxide. soda with carbonation. There are several reasons why beverages are carbonated.
The carbon dioxide that the carbonated beverage is made up of is primarily taken into account while evaluating its qualities. Between myth and reality: carbonated beverages and the gastrointestinal system.
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consider carbon balance in the citric acid cycle. how many co2 molecules leave the cycle for each acetic acid molecule that enters? for this question, assume that carbon only enters as acetic acid and exits as co2 . note that acetic acid has two carbon atoms. you can determine the number of carbon atoms in carbon dioxide from its formula, co2 .
Two carbon dioxide molecules are formed during citric acid cycle. Two acetyl-CoA molecules enter the cycle, and each has two carbon atoms, so four carbon dioxide molecules will form.
With each turn of the citric acid cycle, two carbon atoms from the acetyl group of acetyl CoA join with the four-carbon oxaloacetate, the last intermediate in the citric acid cycle to form citrate, a six-carbon acid.
Each turn of the cycle forms three NADH molecules and one FADH2 molecule. These carriers will connect with the last portion of aerobic respiration to produce ATP molecules. One GTP or ATP is also made in each cycle.
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if the manipulation of the iv is weakened and all else is held constant, which of the following would be expected to occur?
Option ( a) is correct because In F ratio, numerator is the mean sum of square due to regression or controlled variable. And of we manipulate or weakened the independent variable, then numeretor is also weekened or week. if the manipulation of the iv is weakened and all else is held constant
Regression analysis is a statistical method for connecting a dependent variable to one or more independent (explanatory) variables. A regression model can demonstrate whether variations in the dependent variable are related to variations in one or more explanatory variables. Regress is derived from the Latin word "regressus," which means to return (to something). Regression is the method that, in this way, enables "going back" from muddled, difficult-to-interpret data to a clearer and more significant model.
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Consider the reaction: 2H20l^2H2(g) +02(g) Using standard thermodynamic data at 298K, calculate the free energy change when 2.47 moles of H20) react at standard conditions. xn
The free energy change when 2.47 moles of H20) react at standard conditions is -585.884 KJ/mol.
[tex]\Delta G reaction = \Delta G of product - \Delta G of reactant[/tex]
[tex]\Delta G of H2 (g) = 0 kJ/mol , \Delta G of O2(g) = 0 KJ/mol , \Delta G of H2O(l) = -237.2 KJ/mol[/tex]
[tex]\Delta G of reaction[/tex] = (2 x 0+ 0) + ( 2 * -237.2)
= 0 + (- 474.4)
= -474.4 KJ/Mol
[tex]\Delta[/tex]G of reaction for 2 moles of water = -474.4 KJ/mol
[tex]\Delta[/tex]G of reaction for 2.47 moles water = -474.4 * 2.47/2
= -585.884 KJ/mol
As there are 2 moles of hydrogen gas and 1 mole of oxygen gas in the product but only 2 moles of liquid in the reactant. Therefore the entropy of the reaction is increasing in the product. Hence the reaction is Product favored.
[tex]\Delta G of reaction = \Delta H - T\Delta S[/tex]
485 KJ = 571.6 KJ - 265 [tex]\Delta S[/tex]
485 - 571.6 = -265[tex]\Delta S[/tex]
-86.6 = -265[tex]\Delta S[/tex]
-86.6/-265 = [tex]\Delta S[/tex]
0.32679 KJ/mol =[tex]\Delta S[/tex]
0.32679 *1000 =[tex]\Delta S[/tex]
326.79 J/K = [tex]\Delta S[/tex]
[tex]\Delta[/tex]S for 2 moles of water is =326.79 J/K
[tex]\Delta[/tex]S for 2.47 moles of water = 326.79 * 2.47/ 2
[tex]\Delta S[/tex] = 403.58 J/ K
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The equilibrium constant, K, determines the position of equilibrium in an esterification reaction. Which of these K values describes the most efficient reaction?
a) K = 0.0056
b) K = 5.4
c) K = 0.079
d) K = 1
Answer:
The correct answer is "d) K = 1."
Explanation:
This is because a value of K = 1 indicates that the reaction has reached equilibrium, meaning that the rates of the forward and reverse reactions are equal and the concentration of reactants and products is not changing. This is the most efficient state for the reaction because it means that the maximum amount of product has been produced with the least amount of reactant consumed. By contrast, values of K less than 1 indicate that the reaction has not yet reached equilibrium, and the concentration of reactants and products is still changing. This means that the reaction is not yet efficient, and more reactants will be needed to produce the same amount of product. Finally, values of K greater than 1 indicate that the reaction has passed equilibrium, and the concentration of products is starting to decrease. This means that the reaction is no longer efficient, and the excess products will be wasted.
An atom of the isotope bromine-80 consists of how many protons (p), neutrons (n), and electrons (e)? a) 45p, 35n, 45e b) 45p, 45n, 35e c) 35p, 45n, 35e d) 35p, 35n, 45e e) none of the above
An atom of the isotope bromine-80 consists of protons (p) = 35 neutrons (n) = 45 and electrons (e) =35. So option c is correct.
Calculation of number of protons and electrons as mentioned in the question will be as follows
For Br - 80
Z=35 and A = 80
A = mass number
Z = number of protons
As it is a neutral species, so
number of protons = number of electrons = z = 35
Calculation of number of neutrons
We know, Mass number (A) = number of protons (Z)+ number of neutrons (n)
So, number of neutrons =A−Z =80 − 35 = 45
So the answer will be
p=35
e−= 35
n= 45
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moseley's work led to the realization that elements with similar properties occurred at regular intervals when the elements were arranged in order of increasing
Moseley's work led to the realization that elements with similar properties occurred at regular intervals when the elements were arranged in order of increasing atomic number.
The periodic table was arranged by atomic mass, and this nearly always gives the same order as the atomic number. However, there were some exceptions (like iodine and tellurium, see above), which didn’t work. Mendeleev had seen that they needed to be swapped around, but it was Moseley that finally determined it.
He fired the newly-developed X-ray gun at samples of the elements, and measured the wavelength of X-rays given. He used this to calculate the frequency and found that when the square root of this frequency was plotted against atomic number, the graph showed a perfect straight line. He’d found a way to actually measure atomic number.
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the (partial) pressures of nitrogen (n2) and hydrogen (h2) that are left at the end of the reaction. *hint: one of these amounts is readily determined.
The partial pressure of nitrogen N2 and hydrogen H2 that are left at the end of the reaction is 5 atm and 1 atm respectively.
Each gas in a mixture of gases has a partial pressure, which is the pressure that would exist if that gas alone filled the entire volume of the original combination at the same temperature. Dalton's Law states that the overall pressure of a perfect gas mixture is equal to the sum of the partial pressures of its constituent gases. The partial pressure of a gas serves to measure its molecules thermodynamic activity. Instead of their concentrations in liquids or other gas mixtures, gases react, distribute, and dissolve according to their partial pressures. In interactions between gases and biological chemicals, this property of gases generally holds true. As a result, volume, rather than weight or mass, is used to describe mixture ratios, such as those of breathing 20% oxygen and 80% nitrogen. This is true for a very broad range of varying oxygen concentrations found in different inhaled breathing gases or dissolved in blood. [3] Additionally, the partial pressures of oxygen and carbon dioxide are important considerations in arterial blood gas measurement. However, identical pressures can also be found in other fluids, such as cerebral fluid.
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How many moles of H2SO4 are in a 25ml sample of 0.25M H2SO4?
Answer:
Hope this answer will help you.
Explanation:
As we know that
morality =moles/vol.in liter
in order to no.of moles we simply multiply molarity with volume which is 0.025L
0.25×0.025=0.00625moles
a compound with a molecular formula c8h15clo3 has the following 1h nmr spectrum. the ir spectrum shows a strong absorption at 1800 cm-1. which of the following structures is consistent with this spectrum?
Simply counting the amount of unique hydrogens on one side of the symmetry plane will give you the number of signals these molecules emit in a 1H NMR spectrum.
How are 13c NMR peaks recognized?
No two carbons exist in the same environment exactly. The peak at slightly over 50 must be a carbon with a single bond connecting it to an oxygen. The two carbons at either end of a carbon-carbon double bond must be responsible for the two peaks at 130. The carbon in a double bond between carbon and oxygen peaks at just around 170.
Which chemical shift range does the 13c NMR have?
Compared to protons, organic molecules' 13C nuclei's chemical shifts can range up to 200 ppm, while protons' shifts only reach 12 ppm (see Table 3 for a list of typical 13C-NMR chemical shifts).
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When aqueous solutions of ki (aq) and pb(no3)2(aq) are mixed, an insoluble salt forms. which one of the following is the net ionic equation which describes this reaction?
Lead nitrate (Pb(NO3)2) and potassium iodide (KI) two solutions react to form soluble potassium nitrate (KNO3) and insoluble lead iodide (PbI2). This manifests itself in the solution as a yellow precipitate. This is Precipitation Reaction.
What is Precipitation Reaction?
Burning, corrosion, food preparation, and digestion are typical examples of these reactions. Precipitation reactions are a significant family of chemical reactions. Two distinct soluble salts that are in aqueous solutions mix in these reactions to create two products. One of these products, which is referred to as the "precipitate," is insoluble in the solution and precipitates out.
In The term "precipitation reaction" refers to a "chemical process occurring in an aqueous solution when two ionic bonds join, resulting in the production of an insoluble salt." The insoluble salts produced by precipitation processes are known as precipitates.
The creation of insoluble salts that precipitate out of the solution results from these reactions when two or more solutions with various salt concentrations are mixed.
The chemical reaction between potassium chloride and silver nitrate, in which solid silver chloride is precipitated out, is one of the greatest examples of precipitation reactions.
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when determining the absolute age of a rock, scientists measure the radioactive decay of isotope to isotope. this process is called dating.
i) Absolute dating method is used to measure absolute age of a rock using radioactive decay of isotope.
ii) The working of this Absolute dating was discussed below:
Working of absolute datingBy monitoring the radioactive decay of isotopes or the effects of radiation on the crystal structure of minerals, absolute dating techniques estimate the amount of time since rocks first formed. To help establish the age of rocks, paleomagnetism measures the ancient orientation of the Earth's magnetic field.
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Complete question:
To determining the absolute age of a rock, scientists measure the radioactive decay of isotope
i) What is name of this method?
ii) How this method works?
Using the count data and observational data you acquired, calculate the number of CFUs in the original sample. Number of CFUs - 54000000 CFUS You discover that the plate you selected had only been inoculated with 0.1mL of the dilution instead of 1ml. Using the count data and observational data you acquired, re-calculate the number of CFUs in the original sample. Number of CFUS = 1540000000 CFUS
The number of CFU's in the original sample is 540000000.
The colony forming unit stands for (CFU) is a measure of viable colonogenic cell numbers in CFU/mL. CFU's are an indication of the number of cells that remain viable enough to proliferate and form small colonies.
CFU/ml = [Number of colonies ][Dilution factor]/Volume of cultre plate
In the question , Volume of cultre sample=0.1 ml
Dilution factor = Final volume/Sample volume
= 0.1 ml/1 ml
= 0.1 ml
Let x be the number of colonies,
CFU =[x 1/10] /0.1 =540000000
x = 540000000 × 0.1 × 10
= 540000000
Therefore CFU in the original sample = [540000000 × 1/10 ] /0.1
= 540000000
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Using the ionization constants (ka and kb) tables in your online textbook's appendix, calculate the ph of a 1.32 m ammonium chloride (nh4cl) aqueous solution. (enter the numerical value in the space provided below.)
The pH of the 1.32 M ammonium chloride (NH4Cl) aqueous solution is 9.12.
To determine the pH of the 1.32 M ammonium chloride (NH4Cl) aqueous solution we need the values of ionization constants (ka and kb) and the concentration of ammonium chloride which is 1.32 M.
The values of ionization constants (ka and kb) are
Ka of NH4+ = 5.6 x 10-10
Kb of Cl- = 1.0 x 10-7
Calculate the concentrations of NH4+ and Cl- in the solution.
NH4+ = 1.32 M
Cl- = 1.32 M
Calculate the equilibrium concentrations of H3O+ and OH- using the ionization constants.
Ka = [H3O+][NH4+]/[NH4+]
[H3O+] = Ka x [NH4+] = (5.6 x 10-10)(1.32) = 7.37 x 10-10
Kb = [OH-][Cl-]/[Cl-]
[OH-] = Kb x [Cl-] = (1.0 x 10-7)(1.32) = 1.32 x 10-7
Calculate the pH of the solution.
pH = -log[H3O+] = -log(7.37 x 10-10) = 9.12
The pH of the 1.32 M ammonium chloride (NH4Cl) aqueous solution is 9.12.
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Conducting rod Wil be given positive charge 4, procedure that uses some or all of the following steps in an appropriate order: Step W: Rod A is connected t0 ground: Step X: Negatively charged rod B is brought near, but does not touch rod Step Y: The connection between ground and rod IS removed Step Z: Rod B is moved away- Which of the following lists sufficient steps in an order that will give rod A positive charge? Select two answers. (A) WXY (B) WXZ W,XYZ (D) W,XZ Y Which of the following accurately describe how the kinetic energy of atoms in sample 20. ,of monatomic ideal gas changes when the temperature is increased? Select two answers __ Thc kinctic encrgy of euch individual atom in the gas increases: (B) The kinetic energy of each individual atom in the gas may increase Or decrease_ (C) The average kinetic energy of the whole sample of atoms increases- (D) The kinetic energy of some individual atoms increases, but the average kinetic energy of the whole sample of atoms does not change.
The steps in order that will give rod A positive charge are W,XYZ and WXZY. The correct option to this question is C and D.
The average kinetic energy of the whole sample of atoms increases when there is increase in temperature. The correct option to this question is C.
When the temperature of monotonic gases rises, the kinetic energy of the entire sample of the gas rises in a direct proportion to the temperature at which the sample is moving. We can infer that the temperature increases and has a direct proportional effect on the entire sample of gas. Additionally, kinetic energy rises.
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all of the following statements are true except some enzymes change shape and regular molecules either activators or inhibitors. enzymes are carbohydrates. enzymes are very sensitive
The invalid option is Enzymes are carbohydrates. Because the enzymes are generally proteins.
Enzymes are the protein molecules. Enzymes are the biological catalyst which can increases the rate of reaction by lowering the activation energy for the reaction by combining with the reagents but without undergoing any permanent chemical change.
Enzymes lower the activation energy necessary for the reaction to occur. This allows the reaction to happen more quickly than it would without an enzyme present.
The enzyme is not destroyed during the reaction and can be reused.
So, we can state that the wrong answer is enzymes are carbohydrates.
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a proton is created in the electron transport chain where protons move from the to the through an enzyme called where is made.
In the electron transport chain, a proton is produced as protons flow from one to the other through an enzyme called ATP synthase.
ATP synthase works in the F1 sector to create ATP from ADP and inorganic phosphate (Pi). Energy from a gradient of protons that pass through the inner mitochondrial membrane from the intermembrane gap into the matrix through the Fo section of the enzyme makes this possible.
During the process of cellular respiration, an enzyme called ATP synthase produces adenosine triphosphate (ATP) directly. The primary energy molecule used by cells is ATP.
The process of making ATP entails the movement of electrons from the intermembrane region back to the matrix via the inner membrane. The pH difference between the membrane's two sides is caused by the transport of electrons from the matrix to the intermembrane gap (about 1.4 pH units).
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Starting with a primary alkyl bromide, which of the following results in an overall decrease in the length of the carbon skeleton by one carbon? a) substitute bromide with methoxide b) eliminate hydrogen bromide to produce an alkene, then cleave the double bond c) substitute bromide with acetylide, then reduce the alkyne to an alkene d) substitute bromide with acetylide, then cleave the triple bond
The number of carbons that are immediately surrounding the carbon to which the halide group is connected determines whether alkyl halides are primary, secondary, and tertiary. Therefore, the correct option is option B.
What is alkyl halide?Haloalkanes are another name for alkyl halides. Alkyl halides are substances in which halogen atoms have taken the place of hydrogen atoms in an alkane. The halogens can be chlorine, bromine, fluorine etc.
Starting with a primary alkyl bromide, if we want to reduce the length of the carbon skeleton by one carbon then we need to eliminate hydrogen bromide to produce an alkene, then cleave the double bond.
Therefore, the correct option is option B.
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Cells that have a high level of reactive oxygen species would need which of the following pathway(s) to be active in order to reduce the high level of oxidative stress?
A. Oxidative Phase of PPP
B. Non-Oxidative Phase of PPP
C. Glycolysis
D. Gluconeogenesis
More NADPH --> oxidative phase
non-oxidative phase--> fructose 6- bisphosphate and 3 glyceraldehyde
gluconeogensis: convert it to fructose 6- bisphosphate and 3 glyceraldehyde to make even more glucose
Since the cell needs high levels of NADPH. The pathways that would provide the most NADPH would be the oxidative phase of PPP, the non-oxidative phase of PPP producing fructose 6-phosphate and glyceraldehyde 3-phosphate, and gluconeogenesis using fructose 6-phosphate and glyceraldehyde 3-phosphate to produce more glucose 6-phosphate that can be used to generate more NADPH.
The oxidative segment PPP is the pathway(s) to be active in order to reduce the high level of oxidative stress.
This segment is made up of two irreversible steps: Step 1: Glucose-6-phosphate is oxidized to shape lactone. NADPH is produced as a byproduct of this response as NADP +begin superscript, plus, cease superscript is decreased as glucose-6-phosphate is oxidized.
More NADPH --> oxidative phasenon-oxidative segment--> fructose 6- bisphosphate and three glyceraldehydegluconeogensis: convert it to fructose 6- bisphosphate and three glyceraldehyde to make even extra glucose
Since the mobileular wishes excessive ranges of NADPH. The pathways that might offer the maximum NADPH will be the oxidative segment of PPP, the non-oxidative segment of PPP generating fructose 6-phosphate and glyceraldehyde 3-phosphate, and gluconeogenesis the usage of fructose 6-phosphate and glyceraldehyde 3-phosphate to provide extra glucose 6-phosphate that may be used to generate extra NADPH.
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medications that were widely available before the 1990s and that are effective in reducing only the symptoms of schizophrenia are called .
The first antipsychotic was chlorpromazine, which was then followed by numerous additional antipsychotics, many of which had different chemical structures, this is the initial method of treating schizophrenia.
The first antipsychotic was chlorpromazine, which was followed by numerous other antipsychotics, many of which had different chemical structures. About a quarter of people who have psychosis only experience one episode. Psychosis is a mental health condition that affects how people perceive or respond to their environment. Other therapies included brain tissue removal (lobotomies). From the 1930s to the 1940s, lobotomies were frequently used to treat schizophrenia, severe anxiety, and depression.
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pollution concentration is group of answer choices always higher during the day than at night. determined solely by the wind speed.
Daytime pollution levels are always higher than nighttime levels. the amount of a contaminant contained in a certain amount of air.
Does pollution increase at night?
This is because as the temperature drops at night, the atmosphere traps pollutants such as CO2 from cars and other sources in the home and close to the ground. If the home's interior areas are inadequately ventilated, the effect is even more pronounced.
How does wind speed affect air pollution?
Air pollutants spread when the wind moves them away from their source. In general, the more contaminants are spread and the lower their concentration, the higher the wind speed.
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Using the thermodynamic information in the ALEKS Data tab; calculate the standard reaction free energy of the following chemical reaction: P4010 (s)+6H,0 () _ 4H,PO4Round your answer to zero decimal places_
The standard reaction free energy of the following chemical reaction is -399.4 KJ/mol.
Define standard reaction free energy.
The distance between the standard-state and equilibrium is determined by the standard-state free energy of reaction. Go is influenced by the reaction's temperature.
The chemical reaction is given as,
P4O10 (s)+6H2O (l) _ 4H3PO4(s)
Standard free energy change,
ΔG rxn = ∑ ΔG (product)- ∑ ΔG (reactant)
ΔG rxn = 4 x ΔG (H3PO4)- [ΔG (P4O10) + 6 ΔG (H2O)
ΔG rxn = 4 (-1124.3) - [-2675.2 + 6 (-237.1)]
ΔG rxn = -399.4 KJ/mol
Therefore, the standard reaction free energy of the following chemical reaction is -399.4 KJ/mol.
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