q6pf09 - 1. Which of the following is not one of the laws...

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1. Which of the following is not one of the laws of thermodynamics? 1. The entropy of a perfect crystal approaches zero as its temperature approaches zero. 2. The internal energy of the universe is a constant 3. The entropy of the universe is increased by all spontaneous processes. 4. The universe is a closed system. 2. If a compound's formation reaction is ________, ΔG° f is _______ and the compound is ______. 1. exothermic, zero, unstable 2. non-spontaneous, positive, stable 3. spontaneous, negative, stable 4. endothermic, negative, stable 5. at equilibrium, positive, unstable 6. spontaneous, zero, stable 7. endothermic, positive, unstable 3. Which of the following will result in the greatest increase in entropy of the surroundings (ΔS surr )? 1. ∆H sys = -2.68 kJ, T surr = 70 K 2. ∆H sys = -2,680 J, T surr = 556 K 3. ∆H sys = 4.13 kJ, T surr = 415 K 4. ∆H sys = 4,130 J, T surr = 23 K 4. The enthalpy of fusion (∆H fus ) of tungsten is 35.23 kJ/mol, and its melting point is 3422
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q6pf09 - 1. Which of the following is not one of the laws...

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