The main problem is the release of heat and thereby reducing yield of Ammonia.
What is chemical equilibrium?Chemical equilibrium is defined as the state of a reversible chemical reaction where there is no change in net amount of products and reactants involved in it.
What is an exothermic reaction?
Exothermic reaction is one of the chemical reactions that will produces heat during the formation of products.
At the chemical equilibrium, the chemical reaction will be as follows:
[tex]N_{2}[/tex] + 3[tex]H_{2}[/tex] → 2[tex]NH_{3}[/tex] + energy
The above chemical equilibrium equation indicates that energy will be released due to the reaction of nitrogen and hydrogen. The energy release increases the surrounding temperature and thereby it will reduce the yield of the ammonia. Thus it can be indicated as the major problem.
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What instrument is used for measuring the heat energy absorbed or released in a chemical reaction?
Draw the major organic product(s) of the reaction of p-bromoaniline with ch3i (excess)
The major product is p-bromo N,N,N -trimethylaniliniumiodide when p-bromoaniline react with excess CH₃I.
When p-bromoaniline react with methyl iodide it produces p-bromo N,N-dimethylaniline.
What happens when p-bromo N,N-dimethylaniline. reacts with excess methyl iodide ?When p-bromo N,N-dimethylaniline reacts with excess methyl iodide leading to the production of p-bromo N,N,N -trimethylaniliniumiodide.
Thus from the above conclusion we can say that The major product is p-bromo N,N,N -trimethylaniliniumiodide. when p-bromoaniline react with excess CH₃I.
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What mass of ch4 is consumed when 587. 9 kj of energy is evolved from the combustion of a mixture of ch4(g) and o2(g)? show the set up and answer with unit
The mass of CH₄ that is consumed is 10.598 g.
What is enthalpy?The enthalpy of a system is defined as the sum of the internal energy of a system and the energy that is produced due to its pressure and volume.
It is given by
H = U+PV
The following reaction takes place during the combustion of CH₄
[tex]CH_4(g)+2O_2(g)\rightarrow CO_2(g)+2H_2O(g)[/tex]
Energy evolved during the combustion, E = 587.9 kJ
Enthalpy of combustion of methane, ∆H = 890.3 kJ
[tex]No of moles of CH_4 =\frac{energy evolved}{enthalpy of combustion}[/tex]
= 587.9 /890
Mass of CH₄ that is consumed = no of moles × molar mass of CH₄
= 587.9 /890 × 16
= 10.598 g
The mass of CH₄ which is consumed is 10.598 g
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The malonic ester synthesis is a method for preparing carboxylic acids from alkyl halides. For each of the carboxylic acid products, draw the structure of the alkyl bromide that would be used in its synthesis.
Haloalkanes are another name for alkyl halides. Alkyl halides are substances in which halogen atoms have taken the place of one or more hydrogen atoms in an alkane (fluorine, chlorine, bromine, or iodine).
What is the structural property of alkyl bromide?Alkyl halides are halogen-substituted alkanes in which a halogen atom, such as fluorine, chlorine, bromine, or iodine, is used in place of one or more hydrogen atoms in an alkane. An alkyl halide has a link between the carbon atom and the halogen atom, which is sp3-hybridized and has a tetrahedral form.Vinyl halides are substances, as opposed to alkyl halides, in which a halogen atom is attached to a sp2-hybridized carbon atom of a carbon-carbon double bond (C=C). In contrast, aryl halides are substances in which a halogen atom is joined to an aromatic ring's sp2-hybridized carbon atom.Alkyl halides are further divided into primary, secondary, and tertiary alkyl halides based on the level of substitution at the carbon atom holding the halogen. The term "- carbon" refers to the carbon that is bound to a halogen atom. The term "-carbon" refers to the carbon atom that is connected to it. Greek alphabets are then used to represent the neighboring carbons (, and so on).To learn more about Alkyl halides click here-
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The angle between the hydrogen atoms in water (h2o) is slightly less than expected for a tetrahedral shape. this is because of the:_______.
The angle between the hydrogen atoms in water (h2o) is slightly less than expected for a tetrahedral shape. this is because of the extra electron repulsion from the lone pairs.
A water molecule consists of two hydrogen atoms and one oxygen atom. The three atoms make an angle; the H-O-H angle is approximately 104.5 degrees. The centre of each hydrogen atom is approximately 0.0957 nm from the centre of the oxygen atom.
In water, each hydrogen nucleus is covalently bound to the central oxygen atom by a pair of electrons that are shared between them. In H2O, only two of the six outer-shell electrons of oxygen are used for this purpose, leaving four electrons which are organized into two non-bonding pairs. The four electron pairs surrounding the oxygen tend to arrange themselves as far from each other as possible in order to minimize repulsions between these clouds of negative charge. This would ordinarily result in a tetrahedral geometry in which the angle between electron pairs (and therefore the H-O-H bond angle) is 109.5°. However, because the two non-bonding pairs remain closer to the oxygen atom, these exert a stronger repulsion against the two covalent bonding pairs, effectively pushing the two hydrogen atoms closer together. The result is a distorted tetrahedral arrangement in which the H—O—H angle is 104.5°.
About tetrahedral shape :
In geometry, a tetrahedron (plural: tetrahedra or tetrahedrons), also known as a triangular pyramid, is a polyhedron composed of four triangular faces, six straight edges, and four vertex corners. The tetrahedron is the simplest of all the ordinary convex polyhedra and the only one that has fewer than 5 faces.
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More strong base is added until the equivalence point is reached. what is the ph of this solution at the equivalence point if the total volume is 57. 0 mlml ?
A more strong base is added until the equivalence point is reached. The ph of this solution at the equivalence point if the total volume is 57. 0 mill is 9.8
The potential of Hydrogen is what pH is formally known as. The negative logarithm of the concentration of H+ ions is known as pH. Thus, the definition of pH as the amount of hydrogen is provided. The hydrogen ion concentration in a solution is described by the pH scale, which also serves as a gauge for the solution's acidity or basicity.
The pH scale determines how acidic or basic water is. The range is 0 to 14, with 7 representing neutrality. Acidity is indicated by pH values below 7, whereas baseness is shown by pH values above 7. In reality, pH is a measurement of the proportion of free hydrogen and hydroxyl ions in water.
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Which clinical finding represents a contraindication to the administration of nitroglycerin?
Represents a contraindication to the administration of nitroglycerin increased intracranial pressure
Nitroglycerin is a vasodilator that is primarily used to treat anginal chest discomfort. It is now licensed by the FDA for the acute alleviation of an attack or the acute prevention of angina pectoris caused by coronary artery disease.
Nitroglycerin is used to treat coronary artery disease-related angina (chest pain). This medication can also be used to treat an existing angina attack. Nitroglycerin is a common treatment for heart problems. It's the go-to medication for people suffering from angina pectoris, who take it as a sublingual tablet or an oral spray.
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A sample of gas has an initial volume of 3.97 L at a pressure of 709 mmHg . If the volume of the gas is increased to 5.36 L , what is the pressure
Answer:
525 mmHg
Explanation:
If all other variables are held constant, you can find the pressure using Boyle's Law. The equation looks like this:
P₁V₁ = P₂V₂
In this equation, "P₁" and "V₁" represent the initial pressure and volume. "P₂" and "V₂" represent the final pressure and volume. You can plug the given values into the equation and simplify to find "P₂".
P₁ = 709 mmHg P₂ = ? mmHg
V₁ = 3.97 L V₂ = 5.36 L
P₁V₁ = P₂V₂ <----- Boyle's Law
(709 mmHg)(3.97 L) = P₂(5.36 L) <----- Insert values
2814.73 = P₂(5.36 L) <----- Simplify left side
525 = P₂ <----- Divide both sides by 5.36
Drag each tile to the correct location. classify the chemical equations as being balanced or not balanced. 2co 2no → 2co2 n2 6co2 6h2o → c6h12o6 o2 h2co3 → h2o co2 2cu o2 → cuo
A. 2CO + 2NO → 2CO2 + N2 is a balanced equation as the number of carbon, oxygen, and nitrogen atoms are same on both sides.
B. 6CO2 + 6H2O → C6H12O6 + O2 is an imbalanced equation as oxygen atoms are not balanced here.
C. H2CO3 → H2O + CO2 is a balanced equation as same number of hydrogen, carbon, and oxygen are present on both sides.
D. 2Cu + O2 → CuO is an imbalanced equation as both copper and oxygen are imbalanced here.
What is Chemical equation ?A chemical equation is a way to depict a chemical reaction using the symbols and formulas of the components involved. For instance, when zinc metal and diluted sulfuric acid combine, zinc sulphate and hydrogen gas are produced.
Balanced and imbalanced chemical equation -
an equation in chemistry where the number of each sort of atom is equal on both sides. Subscripts are a component of the chemical formulae for the reactants and products that show how many atoms of the previous element there are in each.
The chemical equation is referred to as being imbalanced if the number of atoms of each element present in the reactants and the number of atoms of each element present in the product are not equal.
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Answer: A. 2CO + 2NO → 2CO2 + N2 is a balanced equation as the number of carbon, oxygen, and nitrogen atoms are same on both sides.
B. 6CO2 + 6H2O → C6H12O6 + O2 is an imbalanced equation as oxygen atoms are not balanced here.
C. H2CO3 → H2O + CO2 is a balanced equation as same number of hydrogen, carbon, and oxygen are present on both sides.
D. 2Cu + O2 → CuO is an imbalanced equation as both copper and oxygen are imbalanced here.
What is Chemical equation ?
A chemical equation is a way to depict a chemical reaction using the symbols and formulas of the components involved. For instance, when zinc metal and diluted sulfuric acid combine, zinc sulphate and hydrogen gas are produced.
Balanced and imbalanced chemical equation -
an equation in chemistry where the number of each sort of atom is equal on both sides. Subscripts are a component of the chemical formulae for the reactants and products that show how many atoms of the previous element there are in each.
The chemical equation is referred to as being imbalanced if the number of atoms of each element present in the reactants and the number of atoms of each element present in the product are not equal.
Explanation:
A. Would sucrase be classified as a oxidoreductase, a transferase, a lysase, an isomerase, a hydrolase, or a ligase enzyme? explain your choice. B. Could sucrase be used to break down another disaccharide, such as lactose? explain your reasoning.
Sucrose, a disaccharide (consisting of two monosaccharides), is table sugar.
A digestive enzyme called sucrase catalyses the breakdown of sucrose into its component sugars, fructose and glucose. One type, sucrase-isomaltase, is secreted at the brush boundary of the small intestine. Invertase, a form of the sucrase enzyme that is more frequently found in plants, also hydrolyzes sucrose but does it in a different way.
What does sucrase break down into ?Maltose is converted to glucose by maltase. Succrase and lactase, respectively, break down other disaccharides like sucrose and lactose. Sucrase and lactase are enzymes that break down sucrose (also known as "table sugar") and lactose (sometimes known as "milk sugar"), respectively, into glucose and fructose.
Both the breakdown of maltose into glucose and the breakdown of sucrose into glucose and fructose are carried out by the enzyme's sucrase subunit.Learn more about Sucrase here:
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The primary sources of the acidity in acid rain are the gases ________. o3 and vocs o3 and so2 so2 and nox nox and n2o h2so4 and no
The primary sources of acidity in acid rain are the gases SO[tex]_{2}[/tex] and NO[tex]_{x}[/tex] So, the correct option is (c) SO[tex]_{2}[/tex] and NO[tex]_{x}[/tex]
A chemical process that starts when gases like sulphur dioxide and nitrogen oxides are discharged into the atmosphere leads to acid rain. These substances have the ability to ascend very far into the sky, where they combine and react with oxygen, water, and other chemicals to produce acid rain, an additional form of acidic pollution.
Acidic particles corrode metal and hasten the deterioration of paint and stone. Power plants are the primary sources of SO[tex]_{2}[/tex] . Burning fossil fuels produces nitrogen dioxide (like gasoline). Cars, lorries, and power plants are the biggest producers of NO[tex]_{2}[/tex].
Therefore, The primary sources of the acidity in acid rain are the gases SO[tex]_{2}[/tex] and NO[tex]_{x}[/tex].So, the correct option is (c) SO[tex]_{2}[/tex] and NO[tex]_{x}[/tex]
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Under appropriate conditions, nitrogen and hydrogen undergo a combination reaction to yield ammonia: N2 (g) + 3H2 (g) → 2NH3 (g) A 9.3-g sample of hydrogen requires ________ g of N2 for a complete reaction.
Answer:
43 g N₂
Explanation:
To find the mass of N₂ required, you need to (1) convert grams H₂ to moles H₂ (via molar mass), then (2) convert moles H₂ to moles N₂ (via mole-to-mole ratio from equation coefficients), and then (3) convert moles N₂ to grams N₂ (via molar mass). It is important to arrange the conversions in a way that allows for the cancellation of units. The final answer should have 2 sig figs to match the amount of sig figs of the given value.
Molar Mass (H₂): 2(1.008 g/mol)
Molar Mass (H₂): 2.016 g/mol
Molar Mass (N₂): 2(14.009 g/mol)
Molar Mass (N₂): 28.018 g/mol
1 N₂(g) + 3 H₂(g) -----> 2 NH₃(g)
9.3 g H₂ 1 mole 1 mole N₂ 28.018 g
-------------- x ---------------- x -------------------- x ------------------ = 43 g N₂
2.016 g 3 moles H₂ 1 mole
Which term describes this molecular shape?
Answer:
B.) Trigonal planar
Explanation:
This molecule has 3 bonds and no lone pairs. The angles are all 120° and the bonds are within the same plane. These molecules have the molecular shape of trigonal planar.
does anyone know the answer to this? is it A?
Answer:
1/2 ( the two answers given are not FRACTIONS)
Explanation:
Moles of CH3OH = 128 gm / 32 gm / mole = 4 moles
Moles of water 72 gm / 18 gm /mole = 4
Mole fraction of CH3OH = 4 / ( 4+4) = 4/8 = 1/2
When the equation __no2 __h2o __o2 → __hno3 is balanced, the coefficient of hno3 is:_________
When the equation __[tex]NO_{2}[/tex] __[tex]H_{2} O[/tex] __[tex]O_{2}[/tex] → __[tex]HNO_{3}[/tex] is balanced, the coefficient of hno3 is 4.
An expression for a chemical reaction would be referred to as balanced if both the reactants as well as the products have an identical number of atoms with a total charge for each component of the reaction. In other words, two sides of the reaction have equal amounts of mass as well as charge.
The given unbalanced equation is __[tex]NO_{2}[/tex] __[tex]H_{2} O[/tex] __[tex]O_{2}[/tex] → __[tex]HNO_{3}[/tex] .
It can be seen that the count of hydrogen in reactant side 2 on the other hand the count of hydrogen atom is 1.
By multiplying by 4 as the coefficient of and [tex]NO_{2}[/tex] and by 2 as the coefficient of water then equation will be balanced.
The balanced chemical equation will be expressed as:
4 [tex]NO_{2}[/tex] + 2[tex]H_{2} O[/tex] +[tex]O_{2}[/tex] → 4[tex]HNO_{3}[/tex] .
Therefore, when the equation __[tex]NO_{2}[/tex] __[tex]H_{2} O[/tex] __[tex]O_{2}[/tex] → __[tex]HNO_{3}[/tex] is balanced, the coefficient of hno3 is 4.
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How many photons will be required to raise the temperature of 2. 1 gg of water by 1. 7 kk ?
The photon which is required to raise the temperature of 2.1 gm of water by 1.7 kk is 2.16 x [tex]10^{20} photons[/tex]
Given the following data:
Mass of water = [tex]2.1 gm[/tex]
Change in temperature = [tex]1.7 Kelvin[/tex]
Wavelength of infrared = [tex]2.9[/tex] х [tex]10^{-4} cm[/tex]
Specific heat capacity of water = 4.18 J/g°K.
Conversion:
100 cm = 1 m
[tex]2.9 X 10^{-4} cm = 2.9 X 10^{-6}[/tex]
To find the amount of photons required to raise the temperature of 2.1 g of water:
First of all, we would determine the quantity of energy required to raise the temperature of water:
Mathematically, quantity of energy is given by the formula;
[tex]Q = mc[/tex]θ
Where:
Q represents the quantity of energy.
m represents the mass of an object.
c represents the specific heat capacity.
∅ represents the change in temperature.
Substituting the given parameters into the formula, we have;
[tex]Q = 2.1(4.18)(1.7)\\\\Q = 14.92 Joules[/tex]
Mathematically, the Planck-Einstein relation is given by the formula:
[tex]E = hf[/tex]
Where:
h is Planck constant.
f is photon frequency.
To find the photon frequency, we would use this formula:
[tex]Photon frequency = \frac{speed}{wavelength} \\\\Photon frequency = \frac{3(10^{8} )}{2.9(10^{-6} )}\\ \\Photon frequency = \frac{300000000}{0.0000029}\\ \\Photon frequency = 1.04 X 10^{14} Hz[/tex]
Applying Planck-Einstein's relation, we would determine the energy required by each of photon:
[tex]E = 6.626[/tex] х [tex]10^{-34}[/tex] х [tex]1.04[/tex] х [tex]10^{14}[/tex]
[tex]E= 6.89[/tex] х [tex]10^{-20} Joules[/tex]
Now, we can calculate the amount of photons required to raise the temperature of 2.1 g of water by using this expression:
[tex]Number of photons = \frac{Q}{E} \\\\Number of photons = \frac{14.92}{6.89(10^{-20} )}\\ \\Number of photons = 2.16 X 10^{20} photons[/tex]
Disclaimer: Given Question is incomplete, please find the correct question:
Water is exposed to infrared radiation of wavelength 2.9x10-4 cm. Assume that all the radiation is absorbed and converted to heat. How many photons will be required to raise the temperature of 2.1 g of water by 1.7 K? Express your answer using two significant figures.
Thus the concluded that number of photon is 2.16 x [tex]10^{20}[/tex] photons.
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A substance moving from an area of high concentration to an area in which it has a low concentration is moving ______ the concentration gradient.
A substance moving from an area of high concentration to an area in which it has a low concentration is moving btween two concentration gradient.
What is diffusion?Diffusion can simply be defined as the movement of substances from a region of a high concentration to a region of lower concentration.
It is also the movement of substances from a region of a strong solution to a region of weak solution.
So therefore, a substance moving from an area of high concentration to an area in which it has a low concentration is moving btween two concentration gradient.
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Reaction rate is increased by an increase in kinetic energy
of the reacting particles when their
is _____________
increased
A . Collision theory
B . Surface Area
C . Temperature
D. Concentration
Answer:
Reaction rate is increased by an increase in kinetic energy
of the reacting particles when their
is _temperature_
increased
A . Collision theory
B . Surface Area
C . Temperature
D. Concentration
The value of the rate constant at 302°c is 2. 45 × 10-4 l/mol s and at 508°c the rate constant is 0. 0965 l/mol s. the value of r is 8. 3145 j/k mol. Calculate the activation energy for this reaction
The activation energy for this reaction is - 55.5 kJ/mol
Calculation,
Given data,
First temperature [tex]T_{1}[/tex] = 302°C = 302+273 = 575 K
Second temperature [tex]T_{2}[/tex] = 508°C = 508+273 = 781 K
rate constant at 302°C = 2. 45 × [tex]10^{-4}[/tex] lit/mol s
rate constant at 508°C = 0. 0965 lit/mol s.
Value of universal gas constant = 8.3145 J/k mol.
Apply Arrhenius equation,
㏒[tex]K_{1} /K_{2}[/tex] = [tex]E_{a}/2.203R[/tex] [1/ 575 K - 1/781 K]
㏒2. 45×[tex]10^{-4}[/tex] lit/mol s/0.0965 lit/mol s = [tex]E_{a}[/tex] /2.303×8.3145 J/k mol[781-575/575K×781 K]
[tex]E_{a}[/tex] = - 55.5 kJ/mol
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What mass of ch4 is consumed when 587. 9 kj of energy is evolved from the combustion of a mixture of ch4(g) and o2(g)? show the set up and answer with unit. ch4 molar mass = 16. 05 g/mol
Mass of CH₄ is 10.591 g.
The molar mass is a crucial characteristic of the material that is independent of sample size. The coherent unit of molar mass in the International System of Units (SI) is kg/mol. However, molar masses are usually generally given in g/mol due to historical considerations.
A chemical compound's molar mass is calculated by dividing its mass by the number of moles of the substance that make up the sample.
Δg = 587.9 KJ
CH₄ Molar mass = 16.05 g/mol
mol CH₄ = Δg / ΔH°
= 587.9 / 890.3 KJ/ mol
= 0.6603 mol CH₄
Mass CH₄ = 0.6603 × 16.05 g/mol
= 10.591 g
Therefore, the mass of CH₄ is 10.591 g.
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The temperature coefficient of resistivity for copper is 0. 0068°c-1. if a copper wire has a resistance of 104 ω at 20°c, what is its resistance 80°c?
Electrical resistivity is the measure of the material that can resist the electrical charge. The resistance of the copper wire at 80°C will be 146.43 Ω. Thus, option E is correct.
What is resistance?Electrical resistance is defined as the opposing force that counteracts the electrical charge flow in the material. It is expressed in the terms of the ohms (Ω).
Resistance is calculated as,
R₈₀ = R₀(1 + αΔT)
Given,
Temperature coefficient of resistance (α) = 0.0068 °C⁻¹
ΔT = 60°C
Resistance of a wire (R₀) at 20° C = 104 Ω
Resistance of a wire (R₈₀) at 80°C =?
Substituting values above:
R₈₀ = (104 )[1 + (0.0068)(60)]
R₈₀ = 146.43 Ω
Therefore, option E. 146.43 Ω is the resistance of the copper wire at 80°C.
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Your question is incomplete, but most probably your full question was, The temperature coefficient of resistivity for copper is 0.0068 °C⁻¹. If a copper wire has a resistance of 104 Ω at 20°C, what is its resistance at 80°C?
112.64 Ω 98.56 Ω 84.48 Ω 70.40 Ω 146.43 ΩSerotonin acts as a weak base and has a pkb = 3. 84. what is the ph of a solution made by adding 0. 025 m of serotonin in water?
Serotonin acts as a weak base and has a pkb = 3. 84. The ph of a solution made by adding 0. 025 m of serotonin in water is 2.4.
A molecule called serotonin delivers information between nerve cells in the brain and other parts of the body. Body processes like mood, sleep, digestion, nausea, wound healing, bone health, blood clotting, and sexual desire are all significantly influenced by serotonin.
Tryptophan, an important amino acid, is used to make serotonin. This amino acid, which must be ingested by food, is frequently present in foods including nuts, cheese, and red meat. Lower amounts of serotonin can result from tryptophan insufficiency. Anxiety or depression may come from this, among other mood disorders. The chemical serotonin is essential for elevating mood and lowering anxiety.
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The acid dissociation constant ka for hcn is approximately 1 × 10−9. what is the value of the pkb?
Answer:
pKb = 5
Explanation:
To find the pKb, you need to (1) calculate the pka (using the pKa equation) and then (2) calculate the pKb (using the relationship between the pKa and pKb).
(Step 1)
pKa = -log (Ka)
pKa = -log (1 x 10⁻⁹)
pKa = 9
(Step 2)
pKa + pKb = 14
9 + pKb = 14
pKb = 5
In the reaction hc2h3o2 h2o------>c2h3o2 - h3o , which substance is bronted -lowrey base?
In the reaction [tex]HC _{2} H_{3} O_{2} + H_{2}O[/tex]----->[tex]C _{2} H_{3} O_{2}^{-} + H_{3}O^{+}[/tex] , [tex]H_{2}O[/tex] substance is Bronsted -Lowery base.
According to Bronsted-Lowry an acid is a chemical species that is capable of yielding protons and a Bronsted-Lowry base is a chemical species capable of accepting protons .
The Bronsted -Lowery base is any species that can accepts a proton from another molecule . In short Bronsted -Lowery base is proton acceptor ( PA ) and Bronsted -Lowery acid is proton donor ( PD ).
In given reaction , water molecule accept proton from acid . Therfore , it is Bronsted -Lowery base .
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CH3OH ___ ions in an aqueous solution. A) forms B) does not form
CH3OH doesn't form ions in an aqueous solution.
Water and one or more dissolved substances make up aqueous solutions. In an aqueous solution, solids, gases, or other liquids may dissolve. Examples of watery solutions include coke, seawater, rain, acid, base, and salt solutions. A solution that is not an aqueous solution is any liquid that does not contain water.
Solutions that contain water as the solvent are known as aqueous solutions. Water is a great solvent, but not everything will easily dissolve in it. The term "aqueous" in a chemical equation designates a material in water. For instance, adding sodium hydroxide solution to diluted hydrochloric acid results in the production of sodium chloride.
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What is the oxidation number for n in the compound nh3? (recall that h usually has an oxidation number of 1.)
The oxidation number for n in the compound [tex]NH_{3}[/tex] will be -3.
The charge an atom would have if all of its links to other atoms formed fully ionic could be known as the oxidation state, also known as the oxidation number. It describes how much an atom in a chemical molecule has been oxidized. The oxidation state can theoretically be positive, negative, and zero.
The oxidation number of N in [tex]NH_{3}[/tex] will be calculated as:
Let the oxidation number of H is 1.
[tex]NH_{3}[/tex] = 0
x + 3(1) = 0
x = -3.
Therefore, the oxidation number for N in the compound [tex]NH_{3}[/tex] will be -3.
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What kind of intermolecular forces act between a water molecule and a chloride anion?
The intermolecular forces are present between the molecules and allow their interactions. The ion-dipole force is present between the water and the chloride ion.
What is ion-dipole intermolecular force?Ion-dipole intermolecular forces are present when the molecules have an ion and a neutral molecule that can interlink through an electrostatic attraction. These forces are present in solutions.
The chloride ions have a negative charge, whereas the water molecule has a neutral charge. Water is a polar molecule that has a partial negative and positive charge that can bond with the anion (chloride ion).
Therefore, the water and the chloride ions have ion-dipole intermolecular forces.
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What set of reaction conditions would favor an sn2 reaction on 2-bromo-3-methylbutane?
The set of reaction conditions would favor a sn2 reaction on 2-bromo-3-methylbutane is a strong nucleophile in an aprotic solvent. The correct option is D.
What is Sn2 reactions?It is a type of nucleophilic substitution reaction. This mechanism is common in organic chemistry. In these reactions, one bond is break and one bond is formed simultaneously.
The sn2 is a nucleophile reaction, and it is a strong nucleophile. This type of reaction, will occur in the compounds in which there is one alkyl halide group and a good leaving group.
In 2-bromo-3-methylbutane, there is a bromine and methyl group both, so the favor would be a strong nucleophile in an aprotic solvent.
Thus, the correct option is D) strong nucleophile in an aprotic solvent.
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The question is incomplete. Your complete question is given below:
A) weak nucleophile in a protic solvent
B) weak nucleophile in an aprotic solvent
C) strong nucleophile in a protic solvent
D) strong nucleophile in an aprotic solvent
E) none of the above
What is the only additional information needed to calculate the empirical formula of a compound if the masses of each element of the compound are provided?
Mass percentages of the the elements in the compound is the only additional information needed to calculate the empirical formula of a compound if the masses of each element of the compound are provided.
What is Empirical Formula ?The Empirical formula is the simplest whole number ratio of atoms present in given compound.
What is Molecular formula of Compound ?Molecular Formula = Empirical Formula × n
n = [tex]\frac{\text{Molar Mass}}{\text{Empirical Formula weight}}[/tex]
Thus from the above conclusion we can say that Mass percentages of the the elements in the compound is the only additional information needed to calculate the empirical formula of a compound if the masses of each element of the compound are provided.
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(c) If both ovaries are removed, how will it affect the female reproductive systems?
If both ovaries are removed, then the individual is unable to produce ovules and experiences menopause.
What are ovaries?The ovaries are two reproductive organs in women which act to generate germinal female cells known as ovules.
The absence of these organs (ovaries) leads to a stage known as menopause and the individual cannot produce sex hormones such as estrogen and progesterone.
In conclusion, if both ovaries are removed, then the individual is unable to produce ovules and experiences menopause.
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