Background To calculate an accurate value for the heat Q required to change the temperature of copper from 4 K to 20 K, you must include the temperature dependence of the molar specific heat of copper over this range of temperature, Cmol=1940 (T/e) J mol-1 K1 where the "Debye Temperature e" has the value 0 = 348 K for copper. In order to account for the temperature variation of the molar specific heat, use the expression for the differential heat dQ = C dT and integrate to find the total heat Q required, Q= C dT Remember that the upper case C in this expression is the temperature-dependent heat capacity, which needs to be rewritten in terms of the temperature-dependent molar specific heat and the number of moles. Question: Calculate an accurate value for the heat Q in Joules required to change the temperature of 1.3 moles of copper from 4 K to 20 K using the temperature dependent molar specific heat just described. Do not include units in your answer. Write your answer as a number in normal form.
Background To calculate an accurate value for the heat Q required to change the temperature of copper from 4 K to 20 K, you must include the temperature dependence of the molar specific heat of copper over this range of temperature, Cmol=1940 (T/e) J mol-1 K1 where the "Debye Temperature e" has the value 0 = 348 K for copper. In order to account for the temperature variation of the molar specific heat, use the expression for the differential heat dQ = C dT and integrate to find the total heat Q required, Q= C dT Remember that the upper case C in this expression is the temperature-dependent heat capacity, which needs to be rewritten in terms of the temperature-dependent molar specific heat and the number of moles. Question: Calculate an accurate value for the heat Q in Joules required to change the temperature of 1.3 moles of copper from 4 K to 20 K using the temperature dependent molar specific heat just described. Do not include units in your answer. Write your answer as a number in normal form.
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
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Answer question 6please. Make sure it’s correct and explain the steps please.
Transcribed Image Text:QUESTION 6
Background
To calculate an accurate value for the heat Q required to change the temperature of copper from 4 K to 20 K, you must include the temperature dependence of the
molar specific heat of copper over this range of temperature,
Cmol = 1940 (T/e)³ J mol-1 K1
where the "Debye Temperature e" has the value 0 = 348 K for copper. In order to account for the temperature variation of the molar specific heat, use the expression
for the differential heat dQ = C dT and integrate to find the total heat Q required,
C dT
ntial
Q=
Remember that the upper case C in this expression is the temperature-dependent heat capacity, which needs to be rewritten in terms of the temperature-dependent
molar specific heat and the number of moles.
Question:
Calculate an accurate value for the heat Q in Joules required to change the temperature of 1.3 moles of copper from 4 K to 20 K using the temperature dependent
molar specific heat just described.
Do not include units in your answer.
Write your answer as a number in normal form.
QUESTION 7
Consider a molecule with 8 degrees of freedom. Select the heat capacity at constant volume of an ideal gas containing N of these molecules.
O a. 8Nk
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