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2) While doing 500 J of work, an ideal gas expands adiabatically to 1.5 times its initial volume. (a) Does the temperature of the gas increase, remain the same, or decrease? Explain your answer with math and/or words. (b) What is the change in internal energy? (c) Does the internal energy increase or decrease? Explain. ANSWERS: (a) decreases – you must explain why (b) 500 J (c) decreases – you must explain why 3) An ideal gas expands from 1 m³ to 3 m³ at atmospheric pressure (1.013x10? Pa) while absorbing 5x10? J of heat in the process. (a) Does the temperature of the system increase, remain the same, or decrease? Explain your answer with math and/or words. (b) What is the change in internal energy of the system? ANSWERS: (a) increases – you must explain why (b) 3x10? J

          2) While doing 500 J of work, an ideal gas expands adiabatically to 1.5 times its initial volume. (a) Does the
temperature of the gas increase, remain the same, or decrease? Explain your answer with math and/or
words. (b) What is the change in internal energy? (c) Does the internal energy increase or decrease? Explain.
ANSWERS: (a) decreases – you must explain why (b) 500 J (c) decreases – you must explain why
3) An ideal gas expands from 1 m³ to 3 m³ at atmospheric pressure (1.013x10? Pa) while absorbing 5x10? J of
heat in the process. (a) Does the temperature of the system increase, remain the same, or decrease? Explain
your answer with math and/or words. (b) What is the change in internal energy of the system?
ANSWERS: (a) increases – you must explain why (b) 3x10? J

2) While doing 500 J of work, an ideal gas expands adiabatically to 1.5 times its initial volume. (a) Does the
temperature of the gas increase, remain the same, or decrease? Explain your answer with math and/or
words. (b) What is the change in internal energy? (c) Does the internal energy increase or decrease? Explain.
ANSWERS: (a) decreases – you must explain why (b) 500 J (c) decreases – you must explain why
3) An ideal gas expands from 1 m³ to 3 m³ at atmospheric pressure (1.013x10? Pa) while absorbing 5x10? J of
heat in the process. (a) Does the temperature of the system increase, remain the same, or decrease? Explain
your answer with math and/or words. (b) What is the change in internal energy of the system?
ANSWERS: (a) increases – you must explain why (b) 3x10? J

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