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The molar heat capacity of a certain gas at constant pressure for temperature in the range of 300 to 400 K and for low or moderate pressures can be approximated as Cp = a + b T, where a = 25.73 J K¹ mol¹ and b = 0.01297 J K² mol¹. Calculate AU (in kJ) when 2.00 mol of the gas initially at 1.00 atm is reversibly heated from 27 °C to 127 °C at constant volume. Assume perfect gas behaviour.

The molar heat capacity of a certain gas at constant pressure for temperature in the range of 300 to 400 K and for low or moderate pressures can be approximated as Cp = a + b T, where a = 25.73 J K¹ mol¹ and b = 0.01297 J K² mol¹. Calculate AU (in kJ) when 2.00 mol of the gas initially at 1.00 atm is reversibly heated from 27 °C to 127 °C at constant volume. Assume perfect gas behaviour.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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The molar heat capacity of a certain gas at constant pressure for temperature in the range of 300 to 400 K and for low or moderate pressures can be approximated as Cp = a + b T, where a = 25.73 J K¹ mol¹ and b = 0.01297 J K² mol¹. Calculate AU (in kJ) when 2.00 mol of the gas initially at 1.00 atm is reversibly heated from 27 °C to 127 °C at constant volume. Assume perfect gas behaviour.
Transcribed Image Text:The molar heat capacity of a certain gas at constant pressure for temperature in the range of 300 to 400 K and for low or moderate pressures can be approximated as Cp = a + b T, where a = 25.73 J K¹ mol¹ and b = 0.01297 J K² mol¹. Calculate AU (in kJ) when 2.00 mol of the gas initially at 1.00 atm is reversibly heated from 27 °C to 127 °C at constant volume. Assume perfect gas behaviour.
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