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Is the following statement true or false? The change in entropy of an object undergoing an adiabatic process can be positive or negative. O True O False QUESTION 6 A copper block at 100 °C is placed into thermal contact with a copper block at 10 °C. They equilibrate to 55 °C. Both have heat capacity of 150 J K. Calculate AStot (J K). Do not include units in your answer. Write the numerical value in normal form.

Is the following statement true or false? The change in entropy of an object undergoing an adiabatic process can be positive or negative. O True O False QUESTION 6 A copper block at 100 °C is placed into thermal contact with a copper block at 10 °C. They equilibrate to 55 °C. Both have heat capacity of 150 J K. Calculate AStot (J K). Do not include units in your answer. Write the numerical value in normal form.

College Physics
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
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Question 6
Is the following statement true or false? The change in entropy of an object undergoing an adiabatic process can be positive or negative. O True False QUESTION 6 A copper block at 100 °C is placed into thermal contact with a copper block at 10 °C. They equilibrate to 55 °C. Both have heat capacity of 150 J K1. Calculate AStot (J K1). Do not include units in your answer. Write the numerical value in normal form. QUESTION 7 Water (1 kg) at 20 °C is placed in contact with a 50 °C reservoir. After it equilibrates, it is placed in contact with a 100 °C reservoir until it equilibrates. Calculate AStot (in kJ K, note units) of the process. Let Cwater 4.2 kJ/kg-K. Do not include units in your answer. Write the numerical value in normal form.
Transcribed Image Text:Is the following statement true or false? The change in entropy of an object undergoing an adiabatic process can be positive or negative. O True False QUESTION 6 A copper block at 100 °C is placed into thermal contact with a copper block at 10 °C. They equilibrate to 55 °C. Both have heat capacity of 150 J K1. Calculate AStot (J K1). Do not include units in your answer. Write the numerical value in normal form. QUESTION 7 Water (1 kg) at 20 °C is placed in contact with a 50 °C reservoir. After it equilibrates, it is placed in contact with a 100 °C reservoir until it equilibrates. Calculate AStot (in kJ K, note units) of the process. Let Cwater 4.2 kJ/kg-K. Do not include units in your answer. Write the numerical value in normal form.
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