Entropy is used to A) explain how energy is stored. B) ...

[mspears3]

Entropy is used to
 
  A) explain how energy is stored.
  B) explain how an exothermic reaction can become endothermic.
  C) indicate the disorder of a system.
  D) explain why most chemical reactions are exothermic.
  E) none of the above

Question 2

For the reaction given below, what quantity of heat will be produced if 90.0 g of C3H8 are consumed in the reaction?
 
  C3H8 + 5 O2  3 CO2 + 4 H2O + 488 kcal
 
  A) 996 kcal
  B) 488 kcal
  C) 332 kcal
  D) 239 kcal
  E) 976 kcal

Question 3

A reaction which is unfavorable with respect to entropy, but favorable with respect to enthalpy
 
  A) could occur at any temperature.
  B) could not occur regardless of temperature.
  C) could occur at low temperatures but not at higher temperatures.
  D) could occur at high temperatures but not at lower temperatures.
  E) none of the above

[dantucker]

Answer to Question 1

C

Answer to Question 2

A

Answer to Question 3

C

[mspears3]

Both answers were spot on, thank you once again

[dantucker]

Great! Please up vote