GEN CHEM 11 Flashcards
1
Q
if H is positive then…
A
the reaction is endothermic
2
Q
if the reaction is exothermic, what happens to the temperature of water?
A
the temperature of water goes down
3
Q
the thermochemical equation showing the formation of ammonia from its elements is…
A
lost in the surroundings when 2 moles of ammonia are formed
4
Q
if heat is release by a chemical system, an equal amount of heat will be?
A
the process is exothermic
5
Q
at constant pressure, enthalpy is?
A
the heat of the reaction is equal to the enthalpy change of the system
6
Q
an aqueous solution becomes cold when a solid dissolved in the water. What does the decrease in temperature imply?
A
the process is endothermic
