QUESTION 4 Which one of the following is not a variable of state? O a. The product pV, where p and V are, respectively, the pressure and the volume of the system. Ob. The internal energy U. OC. The temperature T. Od. Enthalpy H. Oe. Heat q. QUESTION 5 The enthalpy change for a process is equal to the heat exchanged between system and surroundings under which of the following conditio O a. Constant volume. Ob.P = Pext = constant (whetre P and Pext are, respectively, the pressure inside and the pressure outside the system). Oc. Constant temperature. Od. Reversible expansion. O e. Expansion at a constant pressure followed by a reversible compression to the original volume

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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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QUESTION 4
Which one of the following is not a variable of state?
O a. The product pV, where p and V are, respectively, the pressure and the volume of the system.
Ob. The internal energy U.
OC. The temperature T.
Od. Enthalpy H.
Oe. Heat q.
QUESTION 5
The enthalpy change for a process is equal to the heat exchanged between system and surroundings under which of the following conditions?
Oa. Constant volume.
Ob.P = Pext = constant (whetre P and Pext are, respectively, the pressure inside and the pressure outside the system).
Oc. Constant temperature.
Od. Reversible expansion.
O e. Expansion at a constant pressure followed by a reversible compression to the original volume.
Transcribed Image Text:QUESTION 4 Which one of the following is not a variable of state? O a. The product pV, where p and V are, respectively, the pressure and the volume of the system. Ob. The internal energy U. OC. The temperature T. Od. Enthalpy H. Oe. Heat q. QUESTION 5 The enthalpy change for a process is equal to the heat exchanged between system and surroundings under which of the following conditions? Oa. Constant volume. Ob.P = Pext = constant (whetre P and Pext are, respectively, the pressure inside and the pressure outside the system). Oc. Constant temperature. Od. Reversible expansion. O e. Expansion at a constant pressure followed by a reversible compression to the original volume.
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