Test02SOL-docAA

Test02SOL-docAA

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Unformatted text preview: tem as a result of fusion is positive f) The entropy change for the universe as a result of melting is equal to zero Question 3: (5 points) Which of the following statements is incorrect? a) The change in entropy of a system during an adiabatic expansion may not be equal to zero. b) The same relationship between PI , VI , PF and VF (initial and final pressures and volumes) is obtained for the isothermal expansion of an ideal gas whether the process is reversible or not. c) The same relationship between PI , VI , PF and VF (initial and final pressures and volumes) is obtained for the adiabatic expansion of an ideal gas whether the process is reversible or not. d) The same relationship between TI , VI , TF and VF (initial and final temperatures and volumes) is obtained for the isochoric heating of an ideal gas whether the process is reversible or not. e) The same relationship between TI , VI , TF and VF (initial and final temperatures and volumes) is obtained for the isobaric heating of an ideal gas whether the process is reversible or not. f) During the reversible adiabatic expansion of an ideal gas, the pressure, volume and temperature change. Question 4: (5 points) Consider the following non- linear molecules H2O, CH4, and the linear molecules H- C≡C- H and F- F. Which among the following statements are incorrect? a) Water and methane have more rotational degrees of freedom than fluorine and acetylene b) Water has three times the number of vibrational degrees of freedom of fluorine c) The total number of degrees of freedom of acetylene is...
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This note was uploaded on 01/26/2014 for the course CHEM 3615 taught by Professor Aresker during the Spring '07 term at Virginia Tech.

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