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Problem 4 Why is the heat capacity at constant pressure of a substance normally greater than its heat capacity at constant volume? Problem 5 Estimate the standard enthalpy of formation of cyclohexane, C6H12(1), at 400 K from the data in the Table below and from heat capacity data given in the Resource section. Assume that the heat capacities are independent of temperature. (see Example 2C.2 on page 56!) Table 2C.6* Standard enthalpies of formation of organic compounds at 298 K, AH/(kJ mol-1) CH₁(g) AH*/(kJ mol-¹) -74.81 +49.0 C6H6(1) C6H12(1) -156 CH₂OH(1) -238.66 CH,CH₂OH(1) -277.69 Ac Go

Problem 4 Why is the heat capacity at constant pressure of a substance normally greater than its heat capacity at constant volume? Problem 5 Estimate the standard enthalpy of formation of cyclohexane, C6H12(1), at 400 K from the data in the Table below and from heat capacity data given in the Resource section. Assume that the heat capacities are independent of temperature. (see Example 2C.2 on page 56!) Table 2C.6* Standard enthalpies of formation of organic compounds at 298 K, AH/(kJ mol-1) CH₁(g) AH*/(kJ mol-¹) -74.81 +49.0 C6H6(1) C6H12(1) -156 CH₂OH(1) -238.66 CH,CH₂OH(1) -277.69 Ac Go

Biochemistry
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
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Problem 4 Why is the heat capacity at constant pressure of a substance normally greater than its heat capacity at constant volume? Problem 5 Estimate the standard enthalpy of formation of cyclohexane, C6H12(1), at 400 K from the data in the Table below and from heat capacity data given in the Resource section. Assume that the heat capacities are independent of temperature. (see Example 2C.2 on page 56!) Table 2C.6* Standard enthalpies of formation of organic compounds at 298 K, AH/(kJ mol-1) CH₁(g) AH*/(kJ mol-¹) -74.81 +49.0 C6H6(1) C6H12(1) -156 CH₂OH(1) -238.66 CH,CH₂OH(1) -277.69 Ac Go
Transcribed Image Text:Problem 4 Why is the heat capacity at constant pressure of a substance normally greater than its heat capacity at constant volume? Problem 5 Estimate the standard enthalpy of formation of cyclohexane, C6H12(1), at 400 K from the data in the Table below and from heat capacity data given in the Resource section. Assume that the heat capacities are independent of temperature. (see Example 2C.2 on page 56!) Table 2C.6* Standard enthalpies of formation of organic compounds at 298 K, AH/(kJ mol-1) CH₁(g) AH*/(kJ mol-¹) -74.81 +49.0 C6H6(1) C6H12(1) -156 CH₂OH(1) -238.66 CH,CH₂OH(1) -277.69 Ac Go
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