Chemistry College

For the reaction of X (represented by circles) and Y (represented by squares), the rate law has been determined to be: rate=k[X][Y]^2.Which of the following will produce the fastest rate for the reaction?ABCD

Answers

Answer 1

Ozone decomposes to oxygen according to the equation 2O₃(g)⟶3O₂(g). Create the equation that ties the rate expressions for this reaction to the creation of oxygen and the disappearance of O₃.

Given that there are more reactants in a given volume of space, increasing the concentration of reactants improves the likelihood that they will collide in the proper direction. As a result, the reactions rate would increase if the reactants were concentrated more. more often with each other. As a result, the reaction progresses more quickly as the temperature rises. Since the molecules will have less kinetic energy, travel more slowly, and collide less frequently as a result of a lower temperature, the rate of reaction will also be reduced.

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Related Questions

the equilibrium constant of a redox reaction can be calculated from the standard reduction potentials of involved redox couples at given temperature.

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The Nernst equation and the link between the standard cell potential and free energy can be used to determine the equilibrium constant of the redox process in an electrochemical cell.

The ratio of the product concentration to the reactant concentration is the equilibrium constant. a fixed value for a certain reaction at a specific temperature. The letter "c" denotes the expression of the equilibrium constant in terms of concentrations.

The standard cell potential, temperature, reaction quotient, and the cell potential of an electrochemical cell are all related by the Nernst equation. The Nernst equation can be used to determine the cell potentials of electrochemical cells even under unusual circumstances.

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High-purity benzoic acid (C6H₂COOH; AHxn for combustion = -3227 kJ/mol) is used as a standard
for calibrating bomb calorimeters. A 1.221-g sample burns in a calorimeter (heat capacity = 1365 J/°C)
that contains exactly 1.240 kg of water. What temperature change is observed?
°℃

Answers

According to the given statement 5 °C temperature change is observed.

How does a calorimeter function and what is it?

The variation in heat is measured by a calorimeter. A metal water container placed above an exhaust gases serves as the basic component of a calorimeter. The amount of water's temperature change is measured using a thermometer.

Briefing:

The calorimeter burns a 1.221g sample.

The calorimeter contains 1.240 kg of water .

The calorimeter has a heat capacity of 1365 j/°C.

∆H rxn = -3227 kj/mol of benzoic acid

Given: 1.221 g is the mass of the benzoic acid

Benzoic acid's molecular weight is 122.12 g/mol.

122.12 g benzoic acid = 1 mol

1.221 g benzoic acid =1.221/122.12= 0.0099 moles

When burned, 1 mol of benzoic acid releases 3227 kj of energy.

Burning 0.0099 moles of benzoic acid produces energy

= 3227kj×(0.0099mols)/1 mol =32.2647 kj =32264.7 j

The calorimeter absorbed thermal energy

= 1365 j/C ×T

Water absorbs heat

= m× C× T

= 1240 g( 4.18 j/gC ) ×T

= 5183.2j/C×T

the total amount of heat absorbed

= 1365T + 5183.2T

=6548.2T

6548.2T=32264.7

T= 4.92 deg.C

T= 5 °C

The result is a 5 °C temperature change.

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Which if these options best describes the diagnostic cleavage that is typical of the mica group of minerals (which includes muscovite and bietet A) Three perpendicular cleavage planes B) Two cleavage planes intersecting at 90° C) Two cleavage planes intersecting at 120 D) A single planar cleavage

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D ) The answer that best depicts the diagnostic cleavage that is typical of the mica group of minerals which include muscovite and bietet is a single, planar cleavage .

Cleavage is the splitting of minerals along natural planes of weakness

When there is only one cleavage plane, a single, planar cleavage known as the basal or pinacoidal cleavage takes place. cleaved at the base of the graphite. Mica (like muscovite or biotite) has basal cleavage, that's why mica can be peeled into thin sheets.

So single planar cleavage is answer of this question.

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