For the given reaction, whether the increase in the partial pressure of oxygen gas affects the rate constant k or not needs to be explained. Concept Introduction : A rate law is an expression presenting the relationship of the reaction rate to the concentration of every reactant. The change of rate with temperature is stated by Arrhenius equation. The Arrhenius equation is represented as below: K = Ae-Ea/RT Here, A = pre-exponential factor. E a = activation energy.

Question

LTS Solid: AT=Te-Ti Trial 1 Trial 2 Trial 3 Average ΔΗ Mass water, g 24.096 23.976 23.975 Moles of solid, mol 0.01763 001767 0101781 Temp. change, °C 2.9°C 11700 2.0°C Heat of reaction, J -292.37J -170.473 -193.26J AH, kJ/mole 16.58K 9.647 kJ 10.85 kr 16.58K59.64701 KJ mol 12.35k Minimum AS, J/mol K 41.582 mol-k Remember: q = mCsAT (m = mass of water, Cs=4.184J/g°C) & qsin =-qrxn & Show your calculations for: AH in J and then in kJ/mole for Trial 1: qa (24.0969)(4.1845/g) (-2.9°C)=-292.37J qsin = qrxn = 292.35 292.37J AH in J = 292.375 0.2923kJ 0.01763m01 =1.65×107 AH in kJ/mol = = 16.58K 0.01763mol mol qrx Minimum AS in J/mol K (Hint: use the average initial temperature of the three trials, con Kelvin.) AS=AHIT (1.65×10(9.64×103) + (1.0 Jimai

Answer 1

Question

Chapter 15, Problem 113AE

(a)

Interpretation Introduction

Interpretation:

For the given reaction, whether the increase in the partial pressure of oxygen gas affects the rate constant k or not needs to be explained.

Concept Introduction :

A rate law is an expression presenting the relationship of the reaction rate to the concentration of every reactant. The change of rate with temperature is stated by Arrhenius equation. The Arrhenius equation is represented as below:

K = Ae-Ea/RT

Here, A = pre-exponential factor.

E_a = activation energy.

(b)

Interpretation Introduction

Interpretation:

For the given reaction, whether the change in temperature affects the rate constant k or not needs to be explained.

Concept Introduction :

A rate law is an expression presenting the relationship of the reaction rate to the concentration of every reactant. The change of rate with temperature is stated by Arrhenius equation. The Arrhenius equation is represented as below:

K = Ae-Ea/RT

Here, A = pre-exponential factor.

E_a = activation energy.

(c)

Interpretation Introduction

Interpretation:

For the given reaction, whether the use of an appropriate catalyst affects the rate constant k or not needs to be explained.

Concept Introduction :

A rate law is an expression presenting the relationship of the reaction rate to the concentration of every reactant. The change of rate with temperature is stated by Arrhenius equation. The Arrhenius equation is represented as below:

K = Ae-Ea/RT

Here, A = pre-exponential factor.

E_a = activation energy.

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LTS Solid: AT=Te-Ti Trial 1 Trial 2 Trial 3 Average ΔΗ Mass water, g 24.096 23.976 23.975 Moles of solid, mol 0.01763 001767 0101781 Temp. change, °C 2.9°C 11700 2.0°C Heat of reaction, J -292.37J -170.473 -193.26J AH, kJ/mole 16.58K 9.647 kJ 10.85 kr 16.58K59.64701 KJ mol 12.35k Minimum AS, J/mol K 41.582 mol-k Remember: q = mCsAT (m = mass of water, Cs=4.184J/g°C) & qsin =-qrxn & Show your calculations for: AH in J and then in kJ/mole for Trial 1: qa (24.0969)(4.1845/g) (-2.9°C)=-292.37J qsin = qrxn = 292.35 292.37J AH in J = 292.375 0.2923kJ 0.01763m01 =1.65×107 AH in kJ/mol = = 16.58K 0.01763mol mol qrx Minimum AS in J/mol K (Hint: use the average initial temperature of the three trials, con Kelvin.) AS=AHIT (1.65×10(9.64×103) + (1.0 Jimai

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