1. The first law of thermodynamics can be given as ________ [A] E = q + w [B] fo

ID: 967156 • Letter: 1

Question

1. The first law of thermodynamics can be given as ________

[A] E=q+w

[B] for any spontaneous process, the entropy of the universe increases

[C] the entropy of a pure crystalline substance at absolute zero is zero

[D] S=qrev/T at constant temperature

[E] Hºrxn=nHºf(products)mHºf(reactants)

2. A reversible change produces the maximum amount of ________ that can be achieved by

the system on the surroundings

[A] products [B] work [C] reactants [D] entropy [E] Enthalpy

3. A reaction that is spontaneous ________

[A] is very slow

[B] has an equilibrium position that lies far to the left

[C] will proceed without outside intervention

[D] is also spontaneous in the reverse direction

[E] is very rapid

4. Of the following, only ________ is not a state function.

[A] H [B] E [C] S [D] T [E] q

(1) Mathematical expression of first law of thermodynamics is Delta E = q + w

(2) Reversible change produces maximum amount of work

(3) Spontaneous reaction will proceed without outside intervention

(4) Heat (q) is not a state function

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