Which of the following is not a state function? A w B) H C) U D) P E) T Which of

Question

Which of the following is not a state function? A w B) H C) U D) P E) T Which of the following is true for the reaction NH_3 (I)n NH_(3) at -33 degree C and 1 atm pressure? (The normal boiling point for NH_3 is -33 degree C. A) Delta H = 0 B) Delta S = 0 C) Delta H = P Delta V D) Delta H = Delta nRT E) Delta H = T Delta S Which of the following has the lowest entropy per mole? A) liquid sodium at 100 degree C B) solid sodium at 30 degree C C) gaseous sodium at 900 degree C and 1 atm D) gaseous sodium at 900 degree C and 0.5 atm E) a solid solution of sodium in potassium at 30 degree C For which of the following reactions is Delta S degree > 0 at 25 degree C? A) 2Li(s) + O_2(g) rightarrow Li_2 O(s) B) F_3BNH_3(s) rightarrow BF_3(g) + NH_3(g) C) 2H_2(g) + O_2 (g) rightarrow 2 CO_2 (g) D) 2CO(g) + 02(g) rightarrow 2CO_2 (g) E) MgO(s) + CO_2(g) rightarrow MgCO_3(s)

Explanation / Answer

9(A)Beacuse W is a path function.10(E)   11(B) 12(B)solid reactant converted in to gas so entropy will highly increase

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