Simple electrolyte compounds are diluted solutions to form inorganic salt solutions. In abrasive machining, mineral salt solutions are utilised to cool the operation and stop rust and corrosion of the machinery and finished goods.
What components make up inorganic salts?In contrast to an organic salt, which has C-H bonds, an inorganic salt is one that does not. The chemical compound sodium chloride, which is made up of sodium and chloride ions, is one of the most well-known salts. For life to exist and flourish, inorganic salts are necessary.
An "Acidic Salt" is a salt that results from the interaction between a strong acid and a weak base.
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Which species in the reaction below is being reduced?
H2O(g) + CO(g) → H2(g) + CO2(g)
Answer:
Therefore, H2O is being reduced, while CO is being oxidized.
Explanation:
In a chemical reaction, a species that gains electrons is being reduced, while a species that loses electrons is being oxidized.In the reaction given, H2O is gaining electrons, while CO is losing electrons.
This data table shows how quickly rope will rot away in freshwater and saltwater. what can you conclude about the rates of the rotting reaction?
A. The reaction occurs more slowly when the concentration of salt is higher.
B. The reaction occurs more quickly when the concentration of salt is higher.
C. The reaction occurs at the same rater, regardless of the concentration salt.
D. There is not enough information to conclude anything about the reaction rates.
What can be concluded from the table is that the reaction occurs more quickly when the concentration of salt is higher. Option B.
Reaction ratesIn chemistry, the rate of reaction is the time it takes for the reactants of a reaction to become products. It can also be defined as the rate of the disappearance of reactants or the rate of appearance of products of a reaction.
In this case, the reaction we are talking about is the rotting of a rope. From the available data on the table, it took the rope 10 years to rot in lake water while it took the same rope 4 years to rot in ocean water.
Assuming that all other factors are kept constant, the only difference between the lake water and the ocean water is that while the lake water contains almost zero salt, the concentration of salt in the ocean water is high.
Thus, one can logically conclude that the rate of rotting of the rope is quickened by the presence of high salt concentration in the ocean water.
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27.) Which Bronsted-Lowry acid has the strongest conjugate base?
HF, KA = 6.8 * 10 ^ -4
C6H5COOH, KA = 6.3 * 10 ^ -5
HNO2, KA = 4.0 * 10 ^-4
HCOOH, KA = 1.8 * 10 ^-4
HBrO, KA = 2.3 * 10 ^ -9
The Bronsted-Lowry acid that has the strongest conjugate base is HBrO, with the smallest Ka value of 2.3 * 10⁻⁹.
The correct option is E.
What are Bronsted-Lowry acids?Bronsted-Lowry acids are substances that donate a proton in a reaction.
When Bronsted-Lowry acids donate protons, the substance formed is called a conjugate base. The conjugate base is able to accept a proton to form the Bronsted-Lowry acid.
For weak acids, dissociation into ions is not complete. Hence, the strength of weak acids is given by their acid dissociation constant, Ka.
The higher the Ka value of an acid, the stronger will be the acid.
However, Bronsted-Lowry acids that have large Ka values produce weak conjugate bases.
Hence, the Bronsted-Lowry acid that has the strongest conjugate base will have the smallest Ka value.
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fill in the blank. the minimum daytime temperature typically occurs ___ the time of maximum outgoing earth energy.
Minimum daytime temperature typically occurs at sunrise, the time of maximum outgoing earth energy.
When is the minimum daytime temperature?The minimum temperature occurs in the early morning whereas maximum temperature of the day occurs in the afternoon.
The lowest temperature is recorded diurnally, monthly, seasonally, or annually. Daily air temperature minima is recorded by screen minimum thermometer.
Mean minimum temperature is the long-term average daily minimum air temperature observed during a month and over the year. Lowest temperature (°C) is the lowest recorded temperature observed at the site.
Frigid zone receives less amount of sun rays therefore the temperature in this zone is very low and the climate is usually very cold.
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Put the elements in order from the highest electronegativity at the top of your list, to the lowest at the bottom. p, k, s, cl, al, si.
HURRY!!!
The order of elements from the highest electronegativity at the top to the lowest at the bottom is:
ClSSiAlThe electronegativity of an element is a measure of the ability of an element to attract electrons to itself.
The electronegativity of elements in the periodic table show periodicity.
The electronegativity of elements increases from left to right across a period but decreases from up to down in a group.
Hence, the most electronegative element is fluorine and the least electronegative element is cesium.
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The normal melting point of acetic acid HC2H3O2 is 16.6 C. For the process of melting acetic acid at 1 atm what is the sign for each of the following . For each choose positive or negative or zero
a. delta H
b. delta S
c. delta G at 16.6 C
d. delta G at 0 C
e. delta G at 25 C
Answer:
Below
Explanation:
For the process of melting acetic acid at 1 atm, the sign for each of the following would be:
a. delta H - positive
b. delta S - positive
c. delta G at 16.6 C - zero
d. delta G at 0 C - positive
e. delta G at 25 C - positive
did tlc analysis of the aldol addition and condensation reactions suggest that starting materials were completely consumed? briefly explain. g
An aldol condensation is a condensation organic reaction whereby an enol or an enolate ion reacts with a carbonyl compound (from a ketone or aldehyde) to form a β-hydroxyaldehyde or β-hydroxyketone or more specifically an aldol reaction.
The reason why you can observe starting material and product in the tlc analysis is that the product ( which you obtained from a hydrogenation reaction) should be less polar than the source from which reaction starts.
TLC is a simple, quick, and inexpensive procedure that gives the chemist a quick answer as to how many components are in a reaction.
TLC is also used to support the identity of a compound in a mixture when the Rf of a compound is compared with the Rf of a known compound.
TLC or Thin Layer Chromatography is the type of analysis in which a small amount of the mixture to be analysed is spotted near the bottom of this plate.
This suggests that in aldol reactions, the starting material were analysed in TLC and during this analysis that material was completely consumed.
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One mole of aluminum and one mole of manganese oxide are placed in a reaction vessel, and the following reaction occurs:
2 Al(s) + 3 MnO(s) → Al2O3(s) + 3 Mn(s)
Which one of the following statements is true?
a.) 1.0 mole of Mn will be produced.
b.) 2.0 mole of Al2O3 will be produced.
c.) 1.0 mole of Al will be left over.
d.) 2.0 mole of MnO will be left over.
e.) Al is the limiting reactant.
Please show work!
One mole of aluminum and one mole of manganese oxide are placed in a reaction vessel, the correct option is a.) 1.0 mole of Mn will be produced.
The reaction is given as follows :
2Al + 3MnO ---> Al₂O₃ + 3Mn
if One mole of aluminum react with one mole of manganese oxide then,
moles of Al = 0.5 mol
moles of MnO = 0.33
here it is clear that Mn is the limiting reagent, therefore formation of the product is depends on the ,MnO.
the moles MnO = moles of Mn
thus , 1.0 mole of Mn will be produced by 1 mole of the MnO.
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You have two solutions of chemical A.To determine which has the highest concentration of in molarity, what the minimum number of the following you must know?
I. the mass in grams of A in each solution
II. the molar mass of A
Ill., the volume of water added to each solution
IV. the total volume of the solution
a. 3
b. 1
c. You must know all of them.
d. 0
e. 2
c. To determine which has the highest concentration in molarity you must know all of them.
To determine the molarity of a solution, you must know the mass in grams of A in each solution, the molar mass of A, the volume of water added to each solution, as well as the total volume of the solution.
Mass and molar mass gives you the moles of A in each solution, while the volume of water and total volume of the solution gives you the concentration of A in each solution. Therefore, you must know all four pieces of information to determine which solution has the highest concentration of A in molarity.
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A voltaic cell is constructed based on the following pair of half-reactions. identify the components in the cell below. ag+(aq)+1e- rightarrow ag(s) cd2+(aq)+2e- rightarrow cd(s) write the balanced equation for the cell reaction. (includes states and charges.)
A voltaic cell is constructed based on ag+(aq)+1e- rightarrow ag(s) cd2+(aq)+2e- rightarrow cd(s) , the balanced equation for the cell reaction. Cd(s) +2 Ag* (aq)⇒2 Ag(s) + Cd2+ (aq)
Ag* (aq) + e- →→Ag(s E° +0.7996 V
Cd²+(aq) + 2e¯→→Cd(s) E° = -0.40V
So, the cell potential is calculated as follows:
E° cell = E° cathode - E°anode
For the reaction to be spontaneous, the E should be postive, thatis cell
greater than 0.
Thus, E°cathode-E°anode>0
E° cathode > E° anode
So, the value of volatic cell potential will be more for the cathode.
Here, the E° is more for Ag+ (aq) | Ag(s) and less for Cd2+ (aq) |Cd(s). Therefore, Ag* (aq)| Ag(s) acts as a cathode and Cd²+ (aq) | Cd(s)
acts as an anode.
Add the two half-reactions as follows:
2 Ag* (aq) + 2e→→2 Ag(s)
Cd(s) —Cd²+(aq) + 2e
Cd(s)+2 Ag* (aq)2 Ag(s)+Cd2+ (aq)
Therefore, the balanced equation is as follows:
Cd(s) +2 Ag* (aq)-2 Ag(s) + Cd2+ (aq)
A voltaic cell is constructed based on the following pair of half-reactions. identify the components in the cell below. ag+(aq)+1e- rightarrow ag(s) cd2+(aq)+2e- rightarrow cd(s) write the balanced equation for the cell reaction. (includes states and charges.?
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How many moles are in 1.08 x 10^26 atoms of He?
Answer: 179 mols
Explanation:
1 mole = 6.02 x 1023 atoms
Avogadro’s number: 6.02 x 1023
Use Dimensional Analysis to solve.
(1.08 x 10^26 atoms/1 mole) x (1 mole/ 6.02 x10^23) = (1.08x 10^26)/(6.02x 10^23) = 179.4019934
179 moles
There are 3 significant figures.
Using the following standard reduction potentials,
Fe3+(aq) + e- →Fe2+(aq) E° = +0.77 V
Ni2+(aq) + 2 e- →Ni(s) E° = -0.23 V
calculate the standard cell potential for the galvanic cell reaction given below, and determine whether or not this reaction is spontaneous under standard conditions.
Ni2+(aq) + 2 Fe2+(aq) → 2 Fe3+(aq) + Ni(s)
a) E° = -1.00 V, spontaneous
b) E° = +1.00 V, nonspontaneous
c) E° = +1.00 V, spontaneous
d) E° = -1.00 V, nonspontaneous
d) E° = -1.00 V, nonspontaneous is the correct answer.
Regarding the specified chemical reaction:
[tex]Ni^{2+}(aq.) + 2Fe^{2+}(aq.)[/tex] → [tex]2Fe^{3+} (aq.) + Ni(s)[/tex]
In this case, iron is being oxidized because it is losing electrons, whereas nickel is being reduced because it is receiving electrons.
We know that:
[tex]E^{0}_{(Fe^{3+}/Fe^{2+})} = 0.77V[/tex]
[tex]E^{0}_{(Ni^{2+}/Ni)} = -0.23V[/tex]
The substance that is being oxidized acts as the cathode and the substance that is being reduced acts as the anode.
We use the equation to determine the reaction [tex]E^{0}_{cell}[/tex].
[tex]E^{0}_{cell} = E^{0}_{cathode} - E^{0}_{anode}[/tex]
[tex]E^{0}_{cell} = -0.23-0.77= -1.0 V[/tex]
The following shows how standard electrode potential and standard Gibbs free energy relate:
Δ[tex]G^{0} = -nFE^{0}_{cell}[/tex]
The standard electrode potential of the cell for the mentioned cell is negative. As a result, the reaction's standard Gibbs free energy change will become positive, making it non-spontaneous.
So, the mentioned response is non-spontaneous.
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including stereoisomers, write structural formulas for all of the compounds that are trichloro derivatives of a) cyclobutane
including stereoisomers, structural formulas for all of the compounds that are trichloro derivatives of cyclobutane Chiral derivates of trichlorocyclobutane are: \textbf{(1R,3R)-cis-[1,2]trans-[1,3]trans-[2,3]-trichlorocyclobutane}(1R,3R)-cis-[1,2]trans-[1,3]trans-[2,3]-trichlorocyclobutane
The organic compounds that can rotate the plane-polarized light either left or towards the right will consist of at least one
C atom that is attached to four different atoms or groups or having any symmetry elements can be called a chiral compound if not it is achiral.
Organic compounds that have one C atom with four different atoms attached, rotate plane polarised light, and have a symmetry element like a plane of symmetry, line of symmetry, or centre of symmetry are known as chiral compounds, whereas compounds without any symmetry element are known as achiral compounds. Light with a plane polarization is not rotated.
The image below shows the trichloro derivative of cyclobutane and cyclopentane, in which the molecules containing the C atom with the symbol * are chiral while the remaining molecules are achiral.
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Complete question
Including stereoisomers, write structural formulas for all of the compounds that are trichloro derivatives of (a) Cyclobutane (b) Cyclopentane Which are chiral? Which are achiral?
Neutral carbon-12 (or any carbon atom) has 6 electrons with a total negative charge of 6e- orbiting a nucleus with a total positive charge of 6e+, so that the total net charge is zero. The nucleus is made up of 6 protons, each with a positive charge of e+, and 6 neutrons, each with zero charge. The protons and neutrons have almost the same mass, and each is about 1800 times the mass of an electron. Counting up the total number of massive particles (protons and neutrons), we have 12, the atomic mass of C12.
The total net charge of neutral carbon-12 (or any carbon atom) is zero because it contains 6 electrons with a total net charge of 6e- circling a nucleus with a total net charge of 6e+. Carbon has an atomic number of 6.
Carbon is a chemical element with the symbol C and atomic number 6 (from the Latin carbo, meaning "coal"). It has a tetravalent atom, which means that four of its electrons may be used to create covalent chemical connections. It is nonmetallic. The periodic table's group 14 includes it. Being highly reactive, carbon. It combines with several additional elements to generate a sizable number of compounds. There are more carbon-containing compounds than there are of any other element combined. When carbon is at the base, or state of least energy, its electronic configuration is 1s 2 2s 2p 2.
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When naming organic compounds, there are strict rules regarding punctuation. 1. A comma is used to separate two numbers. 2. A hyphen is used to separate a number from a letter. Add hyphens and commas to this name as appropriate. 233trimethylhexane
After adding hyphens and commas to this name as appropriate. 233trimethylhexane is 2,3,3-trimethylhexane.
There are strict punctuation rules for naming organic compounds. A comma is used to separate two numbers. A hyphen is used to separate numbers and letters. Rewrite the name of this connection, using dashes and commas as necessary.
The first step in naming organic compounds is to choose the longest continuous chain of carbon atoms. This may or may not be linear. Longer sentences and phrases have stricter rules for using commas. If there are more than two adjectives they should be separated by commas. Similarly, more complex clauses and phrases are more likely to absolutely require commas between them.
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a multifaceted synthetic route to functional polyacrylates by trans-esterification of poly(pentafluorophenyl acrylates)
true,a multifaceted synthetic route to functional polyacrylates by trans-esterification of poly(pentafluorophenyl acrylates).
polyacrylate, any of a class of synthetic resins derived from the polymerization of acrylic esters. Polyacrylates are used primarily in paints and other surface coatings, adhesives, and textiles because they can be formed into plastic materials with notable clarity and flexibility using certain methods. They are strong and flexible, allowing for the creation of solid products with a supple texture. It is a large compound that cannot pass through the skin's barrier and has been shown to be safe for cosmetic use. Polyacrylate, also known as Acrylate polymers, is a type of polymer that is commonly referred to as a plastic. Transesterification is the process of exchanging the organic group R′′ of an ester with the organic group R' of an alcohol in organic chemistry. The addition of an acid or base catalyst frequently catalyses these reactions. Other enzymes, particularly lipases, can also be used to carry out the reaction.
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In horses, one which runs best in water (or in wet conditions) is called (WATER), and one which runs best in dry conditions is called (DRY). (WATER) is recessive to (DRY). A horse can also be either a trotter, which we will designate (GAIT) or a pacer, which we will designate (PACE). (PACE) is recessive to (GATE). We have mated two horses, a stallion named Halter-Man and a mare named Erlich-Mane. Halter-Man is a (WATER)(PACER), while Erlich-mane is a (DRY)(GAIT). One of Erlich-Mane’s parents was a (WATER)(PACER). What are the chances of Erlich-Mane and Halter-Man producing a (WATER)(GAIT) foal (that’s a baby horse, in case you didn’t know)?
Answer:
In order for a horse to be a (WATER)(GAIT), it must have two (WATER) alleles and two (GAIT) alleles. Both Halter-Man and Erlich-Mane have one (WATER) allele and one (GAIT) allele, so there is a chance that they could produce a (WATER)(GAIT) foal. However, without more information about the genotypes of Halter-Man, Erlich-Mane, and Erlich-Mane's parents, it is not possible to determine the exact chances of them producing a (WATER)(GAIT) foal.
how many centimeters are in an average hand ?
Answer:
On average, an adult male's hand is about 18-20 centimeters long, while an adult female's hand is usually a bit smaller, at around 16-18 centimeters.
Explanation:
It is difficult to give a precise answer to this question as the size of a person's hand can vary significantly depending on their age, gender, and overall body size. On average, an adult male's hand is about 18-20 centimeters long, while an adult female's hand is usually a bit smaller, at around 16-18 centimeters. Children's hands are also generally smaller than those of adults.
It is also worth noting that the size of a person's hand is not necessarily an accurate indicator of their overall body size or strength. Some people may have larger or smaller hands than others, but this does not necessarily mean that they are taller or shorter, or that they are more or less physically capable.
Adult hands are usually between 15.2 cm and 27.9 cm
wikihow
Why should the spring festival couplets paste？
Answer:
Explanation:
Sticking couplets is one of Chinese folk spring festival customs, it can increase the festive atmosphere, but also the inheritance of traditional culture. At the sight of spring festival couplets, we will all feel the strong flavor of the year. It is a unique form of Chinese literature, which depicts beautiful images and expresses good wishes with antithesis and neat, concise and exquisite writing. When people put up spring festival couplets on their doors, it means that the spring festival has officially kicked off.
hello, please I need the solution of this question asap , thank you in advance
The distribution coefficient is a measure of how well a compound dissolves in one solvent relative to another. In this case, the distribution coefficient of caffeine in chloroform and water is 10, which means that caffeine is 10 times more soluble in chloroform than it is in water.
If the goal is to extract 90% of the caffeine present in one extraction, this means that 90% of the caffeine must be dissolved in the chloroform, while only 10% remains in the water. Since the distribution coefficient is 10, this means that the relative volume of chloroform-water must be 10 times larger than the relative volume of water.
In other words, if the relative volume of water is Vo/Vaq, the relative volume of chloroform-water must be 10 * (Vo/Vaq) in order to extract 90% of the caffeine. Therefore, the relative volume of chloroform-water that must be used is 10 * (Vo/Vaq) = 90% of the caffeine.
Methanol, CH3OH, dissolves completely in water to form a solution that does not conduct electricity. Which of the following diagrams best shows the major type of attractive force that exists between the particles in the solution?
C) [the diagram shows Methanol attracted to a water atom with a dashed line; the Oxygen atom from Methanol is attracted to a Hydrogen atom from water]
The diagram that best shows the major type of attractive force that exists between the particles in the solution is diagram B which shows hydrogen bonding.
The coreect ansdwer is B.
What is hydrogen bonding?Hydrogen bonding is a type of intermolecular bonding that occurs between hydrogen atoms that are bonded to strongly electronegative elements like oxygen, chlorine, fluorine, and nitrogen.
Due to the stronger attraction of the electronegative elements to the shared electron pair, the electronegative element acquires a partial negative charge while the hydrogen atom acquires a partial negative charge. This uneven charge distribution results in the atoms of hydrogen being attracted to the atoms of the electronegative elements of neighboring molecules, thus producing hydrogen bonding.
Hydrogen bonding exists in water as well as in methanol. The dissolution of methanol in water is due to the hydrogen bonds formed between the molecules
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hydrogen or delayed, under-bead cracking becomes a concern when welding steels with which of the following minimum carbon content?
When welding steels have 0.30% of the required carbon content or more, premature or premature, under-bead cracking becomes an issue.
Describe hydrogen.Methane, often known as natural gas, may be replaced with hydrogen, a clean fuel. It is the most prevalent chemical element and is thought to make about 75% of the universe's mass. Numerous hydroxyl group may be found in water, plants, animals, and, of course, people here on earth.
Why does hydrogen cost so much?Hydrogen is more difficult to transport, store, and deliver to the place of use compared to other fuels because it has a lower energy density per unit volume compared to other fuels.
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The complete question is-
Hydrogen or delayed, under-bead cracking becomes a concern when welding steels with which of the following minimum carbon content?
0.30%
0.15%
0.50%
0.45
For aldol reactions that are not favored, the reaction could proceed backwards: the aldol product, upon treatment with base, reverts to the carbonyl compounds it would have formed from in aldol condensation. That is known as "retro-aldol" reaction. Select ALL carbonyl compounds that would result in the following retro-aldol reaction. ?
In this retro synthesis the following two reactant would be involved. [SEE in attachement]
A reaction in which a β-hydroxy carbonyl compound decomposes into an aldehyde or ketone, plus another carbonyl compound. The formal reverse of the aldol reaction.
The stage of an aldol condensation known as dehydration is also reversible in the presence of acid and base catalysts. Therefore, many, -unsaturated carbonyl compounds break into smaller aldehydes or ketones when heated with aqueous solutions of strong acids or bases; this reaction is known as the retro-aldehyde reaction. The aldol reaction is reversible in the presence of acid or base catalysts, and the beta-hydroxy carbonyl products may transform back into the initial aldehyde or ketone reactants. These aldol products are fully stable and isolable chemicals in the absence of such catalysts.
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A student combines a solution of NaCl(aq) with a solution of AgNO3(aq), and a precipitate forms.
Which of the following is the balanced net ionic equation for the formation of the precipitate?Ag+(aq)+Cl−(aq)→AgCl(s)
The balanced net ionic equation for the formation of the precipitate is Ag⁺(aq) + cl⁻ --> Agcl(s)
Given , Nacl(aq) + AgNO₃(aq ) --> ?
since,
Nacl(aq) + cl⁻(aq) + Ag⁺(aq) + NO₃⁻(aq) --> Na⁺(aq)+NO₃⁻(aq)+ Agcl(s)
Net ionic equation is , Ag⁺(aq) + cl⁻ --> Agcl(s) .
Ionic equations are chemical equations in which electrolytes in aqueous solution are described as dissociated ions.
Example: 1) Sodium chloride(aq) + Silver nitrate(aq) → Silver chloride(s) + Sodium nitrate(aq) >>Ag+(aq) + Cl-(aq) → AgCl(s) 2) Sodium(s) + Hydrochloric acid (aq) -> sodium chloride (aq) + hydrogen (g)
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which of the following statements about cells and genes is false? multiple choice the sequencing of bases within a gene is of little significance. each chromosome contains hundreds to thousands of genes. each cell contains 23 pairs of chromosomes. our bodies are made up of about 260 different types of cells.
The statement about cells and genes that is false is a) the sequencing of bases within a gene is of little significance.
The sequence of bases is of major significance in an individual and hence option a is false. The sequences of bases in a gene help in the formation of specified proteins that carry out the functioning in an individual. The sequencing of the bases is also important as any change in the bases can cause the wrong proteins to be formed which might cause the ultimate death of an individual if a major kind of protein is not produced.
The sequence of bases also determines if there are chances of any disorder to occur in an individual due to the pattern of bases being changed.
The question will correctly be written as:
Which of the following statements about cells and genes is false? multiple choice
a) the sequencing of bases within a gene is of little significance.
b) each chromosome contains hundreds to thousands of genes.
c) each cell contains 23 pairs of chromosomes.
d) our bodies are made up of about 260 different types of cells.
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A compound is found to contain 26.73 % phosphorus, 12.09 % nitrogen, and 61.18 % chlorine by mass. What is the molecular
formula for this compound
The Molecular formula for this compound would be [tex]N{6} Cl{12} P{6}[/tex]
What is Molecular formula?The molecular formula is described as an expression that defines the number of atoms of each element in one molecule of a compound
The first step is to find out how many grams of each element are in one mole of the compound.
We do this because we have the molar mass of the compound, as well as the percent mass of each element.
695g * 26.73% = 186g of Phosphorous/mol of compound.
695g * 12.09% = 84g of Nitrogen/mol of compound.
695g * 61.18% = 425g of Chlorine/mol of Compound.
Because we know how many grams of each element are present per mole of compound, we can use the molar masses of each element to find out how many moles of each element are present per mole of the compound.
186g P * (1mole P/30.1g) = 6 moles of Phosphorous.
84g N * (1mole N/14g) = 6 moles of Nitrogen.
425g Cl * (1mole/35g) = 12 moles of Chlorine.
Therefore, the molecular formula for this compound would be [tex]N{6} Cl{12} P{6}[/tex]
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industrial non-metallic mineral resources do not include: group of answer choices sulfides salts fertilizers diamonds
industrial non-metallic mineral resources do not include Diamond
Non-Metallic is Metallic minerals are minerals that contain metal elements in their natural state. Metal substances are not found in non-metallic minerals. A new product is formed when metallic minerals are melted. In the case of non-metallic minerals, such a process yields no new product. Nonmetallic minerals are a category of chemical components that, once melted, yield no new products. Soil, small stones, limestone, terra cotta, and marble are instances of nonmetallic minerals. Non-metallic minerals are composed of chemical elements that lack the properties of a metal.
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A solution is prepared by adding 0.10 mol of potassium acetate, KC2H3O2, to 1.00 L of water. Which statement about the solution is correct?
It is basic
It is acidic
It is neutral
The statement that is true regarding the solution prepared by adding 0.10 mol of potassium acetate to 1.00 L of water is that it is acidic (option B).
How to calculate pH?pH refers to the measure of the acidity or alkalinity of a solution. It can be calculated by using the following expression:
pH = - log {H}
Where;
H = hydrogen ion concentrationThe concentration of the acetate solution must first be calculated by dividing the number of moles by its volume as follows:
Molarity = no of moles ÷ volume
Molarity = 0.10 mol ÷ 1L = 0.1M
pH = - log {0.1}
pH = 1
1 indicates that the solution is acidic, hence, option B is correct.
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You are titrating a solution of sodium hydroxide of unknown concentration with 0.500 M of phosphoric acid. It required 16.4 mL of H3PO4 solution to neutralize 10.0 mL of NaOH solution. Calculate the molar concentration of sodium hydroxide solution?
A 45-mL sample of H-Cl with an unknown content was used to titrate Na-OH. One mole of phosphoric acid requires three moles of sodium hydroxide to neutralize it.
Three moles of sodium hydroxide are required for every mole of phosphoric acid. The balanced equation reveals the following: 1 mol of H3PO4 and 3 mol of NaOH react chemically. The balanced equation makes it abundantly evident that 2 moles of NaOH react with 1 mole of sulphuric acid to produce the desired products. Number of moles of solute/volume of solution in lit. = 2 moles of Na-OH are needed to thoroughly react with 1.00 mole of sulfuric acid. Therefore, 10g of Na-OH should be used to create a 500 mL 0.5 M solution.
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What is the more active nonmetal S or P
What is the more active nonmetal S or SE
There are various kind of elements that are present in periodic table. Some elements are meta, some are non metals, some are metalloids. Therefore, out of S or P, S is more reactive. Out of S or Se, S is more reactive.
What are on metals?Non metals are the element that are found on the right side of the periodic table.
Features of non metals
Non metals are non conducting
Non metals are not lustrous
Non metals are not ductile and malleable
Non metals have high electronegativity.
Oxides of non metals are acidic in nature.
The non metals with high electronegativity values, are more reactive toowards the recation. Out of S or P, S is more reactive. Out of S or Se, S is more reactive.
Therefore, out of S or P, S is more reactive. Out of S or Se, S is more reactive.
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