The sunflower seed cannot be said as a living thing because it is just an organic matter from a living thing originate. The sunflower plant is living and it produce energy by photosynthesis.
What is sunflower?Sunflower is a type of plant normally growing in sunny regions. Sunflower plant need more sunlight and heat to grow. As we know all the plants are living and performing biological functions.
Like all other plants sunflower plant is living and perform all biological functions of plants such as photosynthesis. However, the sunflower seed cannot be said as a living thing.
The seed protrude to a living thing when it is nourished under soil with adequate water and nutrients and plant originating from the seed is living but the seed itself is not said to be living.
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What kind of health problems can polluted air cause? Write three health problems.
Answer:
asthamabronchitisemphysemabe sure to include the correct physical states of reactants and products. write the balanced equation of the reaction that occurs in a voltaic cell made using aluminum and tin electrodes immersed in 1.00 m solutions of al3 and sn2 . use the standard electrode potentials listed below to answer this question.
the balanced equation of the reaction that occur in voltaic cell is 3sn2+ + 2AL(s) = 3sn(3) + 2AL3+.
Half of the cell reaction will occur at the cathode, while the other half will occur at the anode due to the Sanger value of the standard reduction potential. To generate an electric current, galvanic (or voltaic) cells use a thermodynamically favoured redox reaction. Each half-reaction occurs in its own compartment, or half-cell, which contains an electrode. The anode is indeed the electrolytic capacitor at which oxidation occurs, and the cathode is the electrode in which reduction happens. The galvanic cell, also recognised as the voltaic cell, is a kind of electrochemical cell decided to name after scientists Luigi Galvani and Alessandro Volta. Oxidation-reduction reactions Galvanic (or voltaic) cells use a thermodynamically favourable redox reaction to generate an electric current. Each half-reaction takes place in its own compartment, or half-cell, which is equipped with an electrode.
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prodrugs are an area of medicinal chemistry that has been extensively researched over the last several years. prodrugs are designed to be initially inactive until further activated into the active form of the drug (which could include also esterification or trans-esterification event). for example: aspirin is a prodrug that gets converted to salicylic acid. (a) draw a complete arrow-pushing mechanism showing how aspirin is converted into salicylic acid (say by the stomach acylating enzyme at low ph). a scheme of the overall transformati
This is a acid catalyzed reaction proceeds through carbocation as an intermediate forms in the first step by consumption of acid.
While aspirin is ingested, it's far broken right down to salicylic acid by way of the primary conditions within the small gut. it's miles then absorbed into the bloodstream. Aspirin can be made with the aid of reacting salicylic acid with acetic acid within the presence of an acid catalyst.
Aspirin is quite simply hydrolyzed to salicylic acid, each enzymatically and non-enzymatically. Salicylic acid undergoes conjugation reactions producing the essential metabolites salicyluric acid (apparently catalyzed by using an acyl-CoA N-acyltransferase) and glucuronides (gluc) (catalyzed through UGTs).
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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
The standard cell potential for the galvanic cell reaction given below is
+100 V and it is non spontaneous reaction.
E°= Fe2+(aq) - Ni+(s)
E°=+0.77 V- ( -0.23 V)
E°=+100 V
this reaction is non spontaneous.
A spontaneous reaction is one that favors the formation of products under the reaction's current conditions. An illustration of a spontaneous response is a roaring bonfire (see illustration below). A fire is exothermic, which means that as heat is released into the environment, the energy of the system decreases. Since gases like carbon dioxide and water vapor make up the majority of a fire's byproducts, the entropy of the system rises during most combustion reactions. Because of this decrease in energy and rise in entropy, combustion reactions take place on their own. A non-spontaneous reaction is one that, under the specified conditions, does not favor the formation of products.
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the number of electrons present in the p orbitals in the ouitermost electron shell of the halogen atoms is
The number of electrons present in the p orbitals in the outermost electron shell of the halogen atoms depends on the element.
Halogens are a group of chemical elements consisting of fluorine, chlorine, bromine, iodine, and astatine. They are all highly reactive and are found in a variety of compounds. Halogens are used in a wide range of applications from household cleaning products to industrial processes.
The number of electrons present in the p orbitals in the outermost electron shell of the halogen atoms is
For Fluorine (F): 2 electrons in the 2p orbital
For Chlorine (Cl): 6 electrons in the 3p orbital
For Bromine (Br): 10 electrons in the 4p orbital
For Iodine (I): 14 electrons in the 5p orbital
For Astatine (At): 18 electrons in the 6p orbital
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match each level of protein structure with the covalent/non-covalent interaction or entropic driving force that is featured in its construction.
Primary -- covalent/peptide bonds, Secondary --- Hydrogen bonds, Tertiary -- Hydrophobic effect, Quaternary -- Disulfide bonds.
A covalent bond is created among two or more atoms by the mutual sharing with one or more electron pairs. The 2 different atomic nuclei lure these charged particles at the same time. When the thing that is different in electronegativity values of two or more atoms is too slight for transfer of electrons to form ions, a polar covalent forms. A hydrogen bond (or H-bond) in science is a mainly electrostatic attraction between a hydrogen (H) atom tightly attached to an more electronegative "donor" atom or group (Dn) and then another electronegative atom carrying a solitary pair of electrons—the hydrogen bond acceptor (Ac). The hydrophobic effect relates to non-polar molecules and single - molecule sections in a water - soluble solution's tendency to avoid making interaction with molecules of water.
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At constant T and P, 2.0 L of nitrogen gas are combined with 6.0 L of hydrogen gas to form ammonia. Which of the following statements correctly describe the outcome of the reaction, assuming it goes to completion? Select all that apply.
When the reaction is completed, only NH3 is present.
The product occupies a volume of 4.0 L under these conditions.
N2 combines with H2 in a 1:3 ratio.
The observations that are applied are as follows:
NH3 is present.
N2 combines with H2 in a 1:3 ratio.
When nitrogen reacts with hydrogen, it yields ammonia. The chemical equation can be expressed as follows:
N2(g) +3H2(g)---> 2 NH3(g)
The stochiometric ratio in which nitrogen and hydrogen reacts is the ratio 1:3. And the when the reaction is completed, only NH3 is present. At constant T and P, 2.0 L of nitrogen gas are combined with 6.0 L of hydrogen gas to form ammonia.
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a metabolic pathway capable of producing adenosine triphosphate (atp) rapidly without the involvement of o2 is termed .
Anaerobic glycolysis a metabolic pathway capable of producing adenosine triphosphate (atp) rapidly without the involvement of o2 is termed.
A vital "energy molecule" present in all living things is adenosine 5′-triphosphate, also known as ATP and typically written without the 5′-. In particular, it is a coenzyme that transfers energy to cells by releasing its phosphate groups when it interacts with enzymes like ATP triphosphatase. An adenine bicyclic system, a furanose ring, and a triphosphate chain make up the molecule.
The discovery of ATP was reported in 1929 by two research teams. It was isolated from mammalian muscle and liver by Cyrus H. Fiske and Yellapragada Subbarow at Harvard Medical School (Boston). Karl Lohmann discovered it in muscle tissues while working for the Kaiser Wilhelm Institutes in Berlin and Heidelberg. The principal energy source for critical biological processes such muscular contraction, nerve impulse transmission, and protein synthesis is ATP generated in mitochondria.
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a compound with a molecular formula of c10h12o2 has the following 1h nmr spectrum. which of the following structures is consistent with this spectrum?
2-Propoxybenzaldehyde | C10H12O2 - PubChem 4'-Hydroxybutyrophenone | C10H12O2 | CID 66092 - structure,... 4 Spectral Information
What does formyl look like inside?A carbonyl attached to hydrogen forms a formyl functional group. A formyl group is known as an aldehyde when it is joined to a R group.
Why is it referred to as butyraldehyde?An organic molecule with the formula CH3(CH2)2CHO is butyraldehyde, sometimes referred to as butanal. This substance is butane's aldehyde derivative. It is a flammable, colorless liquid with an awful odor. You find a novel chemical X. The following lR and proton NMR spectra are observed, and mass spectroscopy indicates that the chemical formula is C9H120.
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as in top hat, draw the lewis structure of pf3 and answer the following questions! name the compound what is the number of valence electrons number the bonding pair of electrons around the central atom. number the number of single bonds.
There are a total of 26 valence electrons in the PF3 Lewis structure. The steric number of a single phosphorus trifluoride (PF3) molecule is four because it has three bonds (between the elements phosphorus and fluorine) and one empty pair of electrons.
The colorless and odorless gas phosphorus trifluoride (PF3) is poisonous in a manner similar to that of carbon monoxide. It spreads throughout the body by attaching to the iron in hemoglobin and preventing the blood from receiving oxygen. In a chemical process, PF3 acts as a nucleophile by donating two electrons. Hybridization, Molecular Geometry, and PF3 Lewis Structure.The number of valence electrons of an atom, which easily interact with the valence electrons of another atom to create a bond, is depicted in a Lewis diagram.
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the smallest particle of those listed below is question 45 options: a neutron. a quark. a molecule. an atom.
The smallest component of an element, possessing the very same chemical composition as element as a whole, is called an atom.
What is an example of a particle?Particles include things like planets, carbon atoms, and electrons. Fundamental particles include quarks and protons. These smallest, most massive particles, known as fundamental particles, are already the most stable.
What is a particle in chemistry?The particle is an extremely tiny piece of matter. This term covers a huge spectrum of sizes, from tiny subatomic particles like electrons to visible particles like dust specks floating in the sun. Search Up Additional Terms in the Dictionary.
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explain why ncl3ncl3 is a liquid at room temperature while nh3nh3 is a gas. explain why is a liquid at room temperature while is a gas. hydrogen bonding is present in ncl3ncl3 but not in nh3nh3 . ncl3ncl3 has greater dipole moment than nh3nh3 and thus the dipole-dipole forces in ncl3ncl3 are stronger. the dispersion forces are greater in ncl3ncl3 than in nh3nh3 . ncl3ncl3 partly dissociates to form ions and nh3nh3 does not. therefore, ion-dipole interactions are present in ncl3ncl3 but not in nh3nh3 .
NH₃ is gas while NCl₃ is liquid at room temperature due to the intermolecular bonding.
The chemical compound having the formula NCl₃ is known as trichloramine, or nitrogen trichloride. The most common way to encounter this explosive liquid is as a result of chemical interactions involving ammonia derivatives and chlorine. It is yellow, greasy, pungent-smelling, and explosive (for example, in swimming pools).
Ammonia, NH₃, is held together strongly by intermolecular hydrogen bonds. While the same group's hydrides contain van der Waal forces between molecules. Furthermore, hydrogen bonds are more powerful than van der Waal forces.
Because of this, NH₃ is a liquid while other hydrides in the same family are gases.
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in the following compound, how many lone pairs of electrons does the nitrogen atom bear? (enter answer as a number.)
The nitrogen molecule's molecular formula is N2. The triple bonds that hold the nitrogen atoms together. They each possess a single pair of electrons as a result. Consequently, there are two lone pairs overall.
A lone pair and three covalent bonds commonly encircle nitrogen in its typical, no-formal charge configuration. In (a), the nitrogen atom shares three bonding pairs with another atom, has one lone pair, and has a total of five valence electrons. This brings us full circle back to the nitrogen atom. The nitrogen molecule's molecular formula is N2. The triple bonds that hold the nitrogen atoms together. They each possess a single pair of electrons as a result. Imine nitrogen's lone pair electrons are located in a sp2 hybrid orbital, whereas amine nitrogen's lone pair electrons are located in an sp3 hybrid orbital.
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Using the two cell reduction potentials shown for their corresponding reaction, calculate the cell potential for a voltaic cell made from these two systems.
A)
–1.68 V
B)
1.68 V
C)
0.78 V
D)
–0.78 V
Answer:
C: 0.78 V
Explanation:
The Cr2O7 cell has a higher reduction potential, so it will be reduced (as it is a better oxidizing agent). This means that Fe will be oxidized. Its oxidation potential is simply the negative of its reduction potential, 0.45: [tex]E_{ox}=-0.45[/tex]. We know that cell potential is the sum of the reduction and oxidation potentials of each reaction (it is not an extensive property like enthalpy or entropy, so we don't need to worry about multiplying anything). Therefore, [tex]E_{cell}=(-0.45+1.23)V=0.78V[/tex].
at resting potential the ion distribution inside and outside of a neuron is such that ....... ions are most abundant on the outside of the cell while ........ ions are most abundant on the inside of the cell
sodium; potassium
In a neuron at resting potential, potassium ions are more prevalent inside the cell than sodium ions are, with sodium ions being more prevalent on the exterior of the cell.
The arrangement of charged ions throughout the cell membrane causes a difference in electrical potential between the inside of the cell and the surrounding area. Membrane potential is the name given to this. It takes energy to maintain the voltage differential across the cell membrane when it is quiescent. Continuously, the sodium-potassium pump removes three sodium ions from the cell for every two potassium ions it brings in.
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18. Explain how soaps and detergents remove dirt from clothing.
Answer:
Soup and detergents work by breaking up and suspending the dirt and other contaminants in water so that they can be easily rinsed away. When mixed with water, they form a solution that helps to loosen and lift dirt and other, while they hydrophobic (water-repelling) end. The hydrophilic end is solution comes into contact with dirty clothing, the hydrophobic end of molecules attach to the dirt and oils, while the hydrophilic ends remains in the water. This form micelles, which are tiny spheres that contain the dirt and oils in their core and the soup or detergent molecules on the outside. The micelles are then easily rinsed away with water, taking the dirt and other contaminants with them.
highly efficient two-step synthesis of 2,5-furandicarboxylic acid from fructose without 5-hydroxymethylfurfural (hmf) separation: in situ oxidation of hmf in alkaline aqueous h2o/dmso mixed solvent under mild conditions 30 october 2018
The effective synthesis of 2,5-furandicarboxylic acid (FDCA), a promising bio based aromatic monomer that can be exploited to create innovative bio based polymeric materials, is still a significant problem.
The direct synthesis of FDCA from fructose without the need for 5-hydroxymethylfurfural (HMF) separation is proposed in this work as a two-step process employing catalysts that are readily accessible in the market. By dehydrating fructose in DMSO for one hour at 120 °C under the catalysis of Amberlyst-15, HMF was produced in the first stage with a 97.1% HPLC yield. The second stage involved oxidizing the in-situ created HMF in a 3/1 (w/w) alkaline (K₂CO₃) H₂O/DMSO medium for 10 hours at 100 °C with Pt/C as the catalyst to produce FDCA in a 91% HPLC yield. A total of 88.4% of fructose was converted into FDCA overall. HMF is quickly converted to 5-hydroxymethyl-2-furancarboxylic acid (HMFCA) and 5-formyl-2-furancarboxylic acid (HMFCA) respectively, however the rate-limiting step in the oxidation of HMF is the conversion of FFCA to FDCA.
Important variables influencing the reaction rate and selectivity include the H₂O/DMSO ratio, alkali type, alkali/HMF ratio, and reaction temperature. High FDCA yield is achieved by DMSO and alkaline aqueous solution working in harmony.
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expt 1 copper metal was added to an aqueos solution of silver nitrate. observation: the copper become coated with a substance
On the copper's surface, a crystalline solid with a grey tint began to develop, and the solution acquired the blue hue that copper(II) ions are known for.
The periodic table of elements has copper at position 29. It is regarded as a semi-precious, nonferrous, malleable metal with countless uses in the fields of electrical and electronics, plumbing, building construction and architecture, industry, transportation, and consumer and health items.
Electrical equipment like wire and motors use the majority of copper. This is so that wires can be dragged through it, which has excellent heat and electricity conductivity. It can be used in industrial machines, as well as building (for things like roofing and piping) (such as heat exchangers).
Metals are a class of materials that have strong thermal and electrical conductivity, as well as malleability, ductility, and high light reflection. Using copper (Cu), aluminium (Al), etc. as examples.
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when 15.00 g co and 5 g of h2 are mixed and reacted in the following reaction, how many grams of methane gas are produced. 3h2 co --> ch4 h20
Considered are two simultaneous responses involving five species: (Reaction 1) CH4 + H2O CO + 3H2 CO + H2O CO2 + H2 (reaction 2) The water-gas shift (WGS) reaction is reaction number two.
Find the limiting reaction by what method?
By dividing the number of moles of each reactant by its stoichiometric coefficient in the balanced chemical equation, you may determine which reactant is the limiting one. Calculate the maximum number of moles of product that can be produced from the limiting reactant using mole ratios.
How do you identify the limiting and excess reactant?
The limiting reagent is the one that yields the least amount of the final product. The excess reagent is the reactant that yields more product than any other. Subtract the mass of excess reagent eaten from the total mass of excess reagent provided to determine the amount of surplus reactant that is still present.
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Match each compound with the type of bond that exists between its atoms.
Nonpolar covalent Polar covalent Ionic
HCl
H2
NaCl
H2O
CaCl2
The type of bond that exists between its atoms are: HCl-covalent bond., H2-Hydrogen bond, NaCl-Ionic bond, H2O-Polar covalent, CaCl2-Ionic bond.
Is there hydrogen bonding in cacl2?Because it can create hydrogen bonds with water molecules, calcium chloride. H. Calcium chloride, which is capable of forming ion-dipole interactions with water molecules, a stronger kind of dipole-dipole bonding.
H2O has how many bonds?Each water molecule has the ability to create four hydrogen bonds: two between its hydrogen atoms and the hydrogen atoms of its neighbors, plus two more. As in regular ice, these four hydrogen bonds provide a tetrahedral arrangement around each water molecule.
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accelerating hydrogen absorption and desorption rates in palladium nanocubes with an ultrathin surface modification
An incredibly intriguing Palladium approach to high-rate energy storage and distribution is to take advantage of the high surface-area-to-volume ratio of nanomaterials by storing energy in the form of electrochemical alloys.
Palladium hydride at the nanoscale is a great model system for learning how characteristics at the nanoscale influence the absorption and desorption of energy-carrying equivalents. In shape-controlled Pd nanostructures, hydrogen absorption and desorption do not take place uniformly throughout the surface of the nanoparticles. Instead, high-activity spots at the corners and edges are used to selectively absorb and desorb hydrogen. With such a process, the benefits of shrinking the palladium's size to the nanoscale are significantly diminished. We alter the palladium surface with an incredibly thin platinum shell to resolve this. This alteration allows diffusion to occur across the entire Pd/Pt surface and practically eliminates the barrier to hydrogen absorption (89 kJ/mol without a Pt shell and 1.8 kJ/mol with a Pt shell).
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2. Write Informative Texts What type of
change must occur for pure substances to
combine into new materials? Name a few
kinds of synthetic materials that can be
produced by this type of change
Answer:
Read below
Explanation:
In order for pure substances to combine into new materials, a chemical change must occur. This type of change involves the rearrangement and/or reorganization of the atoms in the substances, resulting in the formation of new substances with different chemical and physical properties.
Some examples of synthetic materials that can be produced through chemical changes include plastics, ceramics, and various types of composites. Plastics are synthetic polymers that can be molded into a variety of shapes and are known for their durability and versatility. Ceramics are inorganic, non-metallic materials that are made by heating and then cooling clay and other materials. Composites, on the other hand, are materials made from two or more different substances that are combined to create a material with improved properties, such as increased strength or durability.
The volume of a gas in a flexible container changes from 4L to 40L. What happened to the temperature which caused this change in volume?
A. It dropped to 1/36 of the original Kelvin temperature.
B. It dropped tO 1/10th of the original Kelvin temperature.
C. It increased 36x.
D. It increased 10x.
Ideal gas law is valid only for ideal gas not for vanderwaal gas. Therefore, the correct option is option D. Ideal gas is a hypothetical gas. Vanderwaal gas behave as ideal gas at low pressure and high temperature.
What is ideal gas equation?Ideal gas equation is the mathematical expression that relates pressure volume and temperature.
Mathematically,
PV=nRT
where,
P = pressure
V= volume
n =number of moles
T =temperature
R = Gas constant = 0.0821 L.atm/K.mol
From above relation, we can see that volume and temperature is directly proportional to temperature. On increasing volume, temperature will also increase with the same factor. It will increased by 10x.
Therefore, the correct option is option D.
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please explain your answer and answer it correctly look at the image shown i put 100 points because i want to give whoever helps me with this a good amount. please refresh if you dont see image
There can be release of radiations like gamma radiation. There can be emission of particles too like alpha particle. Therefore, the given nuclear decay reaction is balanced.
What is nuclear decay?It is process in which the radioactive element releases particles or radiations. Alpha particles is ⁴₂He. Alpha particle is nothing but helium particle.
So, according to our questions Uranium-238 is undergoing alpha emission. The balanced reaction can be written as
²³⁸U₉₂ [tex]\rightarrow[/tex]²³⁴ Th₉₀+⁴₂He
So, From above reaction we can see that the total mass on reactant side is equal to total mass on product side. So, this reaction is balanced.
Therefore, the given nuclear decay reaction is balanced.
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Draw the major organic product(s) of the following reactions including stereochemistry when it is appropriate. H2O/H2SO4 Hgo . Use the wedge/hash bond tools to indicate stereochemistry where it exists. If no reaction occurs, draw the organic starting material. - Separate multiple products using the + sign from the drop-down menu
The major organic product of the following reactions including stereochemistry when it is appropriate will be (2-methylallyl)benzene (Structure attached).
The keto-enol tautomerism will result in the formation of ketone upon hydration of the alkyne. To initiate the process of forming an enol, hydrogen and a hydroxy group is introduced across the triple bond. Enol undergoes tautomerism to produce ketone. The reaction that is described further down is facilitated by mercuric oxide. The major organic product of the given reactions including stereochemistry when it is appropriate will be (2-methylallyl)benzene. The structure of reactants and products along with the mechanism and the catalyst are given in the attached picture.
Complete question is attached.
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Ocean waves pass through two small openings, 22 m apart, in a breakwater. You're in a boat 85m from the breakwater and initially midway between the openings, but the water is pretty rough. You row 39 m parallel to the breakwater and, for the second time, find yourself in relatively calm water.What is the wavelength of the ocean waves?
Answer:
22 m
Explanation:
The wavelength of the ocean waves is 22 m.
When ocean waves pass through two small openings in a breakwater, the distance between the openings, known as the waveguide, determines the wavelength of the waves. In this case, the distance between the openings is 22 m, so the wavelength of the waves is also 22 m.
The fact that you were initially midway between the two openings, and that you rowed 39 m parallel to the breakwater before finding yourself in relatively calm water again, does not affect the wavelength of the waves. The wavelength is determined solely by the distance between the openings in the breakwater.
The goal of the VSEPR model is to arrange the position of the atoms and lone pairs surrounding the central atom in a manner that minimizes _____.
The goal of the VSEPR model is to arrange the position of the atoms and lone pairs surrounding the central atom in a manner that minimizes repulsion.
What is VSEPR?Based on the number of valence shell electron bond pairs between the atoms in a molecule or ion, the valence shell electron pair repulsion (VSEPR) theory is a model used to predict 3-D molecular shape. According to this hypothesis, electron pairs will position themselves to reduce the consequences of their mutual repulsion. Or to put it another way, the electron pairs are as far apart as they can be.
VSEPR Shapes:
For forecasting and visualizing molecular structures, use the VSEPR model. Linear, trigonal planar, angled, tetrahedral, trigonal pyramidal, trigonal bipyramidal, di-sphenoidal (seesaw), t-shaped, octahedral, square pyramidal, square planar, and pentagonal bipyramidal are the different types of structures.
The names of 3-D geometric shapes are used for the VSEPR structures, such as the trigonal bipyramidal as an example. The VSEPR model depicts a trigonal bipyramidal molecule, such as phosphorus pentachloride or PCl5, as two (bi) linked triangular-base pyramids, with each atom acting as the vertex or corner of a triangular face. PCl5 has five valence shell electron pairs and a central phosphorus atom.
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construct a multistep synthetic route for the synthesis of acetylene from ethane by identifying the reagents and products of each step. note that each bin will hold only one item, and not every given reagent or structure will be used. (stoichiometry is omitted.)
Acetylene is made from ethane by the following synthetic process:
Reagent 1: Photobromination, Br2, and hv.
Reagent 2: Dehydrobromination using (CH3)3COK+.
Reagent 3: Bromination (Br2).
NaNH2, Elimination is Reagent 4.
What is the route for synthesis?
A synthetic pathway is the method utilised to produce a specific good. In order to study the precise components from which the desired product might be formed, chemists may need to be able to look backward.
(1) To convert ethane to bromoethane, Br2, h, and photobromination are needed as reagents.
(2) To convert bromoethane to ethene, the second necessary reagent is (CH3)3COK+, dehydrobromination.
(3) Ethene to 1,2-dibromoethane requires the following reagent:
Bromination, Br2.
(4) To convert 1,2-dibromoethane to ethyne, reagent 4 is needed.
NaNH2, eradication
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The complete question is :
Construct a multistep synthetic route for the synthesis of acetylene from ethane by identifying the reagents and products of each step. Note that each bin will hold only one item, and not every given reagent or structure will be used. (Stoichiometry is omitted.)
1. reagent 1 H3C—CH3
2. reagent 2 H-C=C—H(ethane) (acetylene)
3. reagent 3
4. reagent 4
A solution of hydrochloric acid needs to be neutralized by barium solution. The beaker on top shows a hydrochloric acid solution.
Which of the beakers containing barium hydroxide will just neutralize the beaker of hydrochloric acid shown?
A solution of hydrochloric acid needs to be neutralized by barium solution -Beaker
The combination of H+ ions and OH- ions produces water in a neutralization reaction, which occurs when an acid and a base react to form water and salt. A strong acid and strong base neutralized by one another has a pH of 7.
For instance, sodium chloride and water are produced when HCl (hydrochloric acid), a powerful acid, reacts with NaOH, a powerful base.
Given A solution of hydrochloric acid needs to be neutralized by barium solution.
In the given beaker no of Cl- = 4 and H- = 4
For neutralizing, no. of [H+] in acid = no. of OH− in base.
If we go through the options
No. of H+ in acid in beaker = 4
Beaker B contains 4 OH− is.
So option(b) is correct.
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Determine if a homogeneous solution forms when each pair of substances is mixed. Check all that apply. CH3CH2CH2CH2CH3 and CH3CH2CH2CH2CH2CH3 O CBr4 and H2O Cl2 and H2O You have identified at least one incorrect pair of substances. Classify each compound as example, polar compounds dissolve homogeneously with other polar compounds.
When each combination of chemicals is combined, a homogeneous solution of H2O Cl2 and H2O results.
Does Milk Contain Heterogeneous or Homogeneous Components?Because its various components are not evenly blended, milk is a heterogeneous mixture. When milk is put into a glass and fat globules rise to the top, these components can be seen.
A homogenous mixture is what?A mixture is said to be homogenous if its composition is constant throughout. Because the dissolved salt is evenly distributed throughout the whole salt water sample, the salt water described above is homogenous. If the particles of two or more components interact with one another, the result is a homogenous mixture or solution. When the intermolecular forces of attraction between them are similar, they interact.
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