PHYS 122 quiz 3 solutions

# PHYS 122 quiz 3 solutions - ﬁg Elly 122 631715175...

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Unformatted text preview: ﬁg. Elly! 122 - 631715175 Pkyﬂ'ar @7QV7 Quiz 3 17 October 2007 For each of the following processes is the value of the work, the heat, the change in thermal energy, and the change in temperature positive (+), negative (~), or zero (0)? W M Q A_r A ﬂame turns liquid water into steam. O + j— __(?__ O .——- High-pressure gas in a cylinder pushes a piston + outward very rapidly. A rigid container contains 1.0 mol of an ideal gas that slowly receives 2.0::104 J of heat. a) Is the work done by the gas positive, negative, or zero? Why? 13) What is the change in internal energy of the gas? Q=2‘IO‘U Auw e w’0 e @MW, Q=Au+w ‘ Au: Z‘IO‘U _.__2f1 y, 2.. M Ouellette, 16 October 2007 ~ ' Page 1 'of l ...
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