T
thunderkiss212
Guest
1. If the enthalpy of 1 mol of a compound decreases by 328 J when it is cooled by 10 K, what is its molar heat capacity?
A) -32.8 J/K×mol
B) 32.8 J/K×mol
C) 328 J/mol
D) 32.8 J/mol
2. For an exothermic reaction, the products
A) are at the same energy level as the reactants
B) have no energy
C) are at a lower energy level than the reactants.
D) are at a higher energy level than the reactants
3. The total enthalpy of the products in a reaction is 0 kJ, and the total enthalpy of the reactants is 100 kJ. What is DH for the reaction?
A) –393.5 kJ
B) –100 kJ
C) 0 kJ
D) +100 kJ
4. Spontaneous reactions are driven by
A) decreasing enthalpy and decreasing entropy
B) decreasing enthalpy and increasing entropy
C) increasing enthalpy and decreasing entropy.
D) increasing enthalpy and increasing entropy
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A) -32.8 J/K×mol
B) 32.8 J/K×mol
C) 328 J/mol
D) 32.8 J/mol
2. For an exothermic reaction, the products
A) are at the same energy level as the reactants
B) have no energy
C) are at a lower energy level than the reactants.
D) are at a higher energy level than the reactants
3. The total enthalpy of the products in a reaction is 0 kJ, and the total enthalpy of the reactants is 100 kJ. What is DH for the reaction?
A) –393.5 kJ
B) –100 kJ
C) 0 kJ
D) +100 kJ
4. Spontaneous reactions are driven by
A) decreasing enthalpy and decreasing entropy
B) decreasing enthalpy and increasing entropy
C) increasing enthalpy and decreasing entropy.
D) increasing enthalpy and increasing entropy
PLEASE CHECK OUT OTHER QUESTIONS FOR POINTS!!!