Which of the following combinations will result in a reaction that is never spontaneous?
a) positive enthalpy change and positive entropy change

b) positive enthalpy change and negative entropy change

c) negative enthalpy change and positive entropy change

d) negative enthalpy change and negative entropy change

Which of the following changes will always be true for an exothermic process?
a) + delta H

b) + delta S

c) - delta H

d) - delta G

Question

Which of the following combinations will result in a reaction that is never spontaneous?		
a) positive enthalpy change and positive entropy change
		
b) positive enthalpy change and negative entropy change
		
c) negative enthalpy change and positive entropy change
		
d) negative enthalpy change and negative entropy change

Which of the following changes will always be true for an exothermic process?		
a) + delta H
		
b) + delta S
		
c) - delta H
		
d) - delta G

anonymous · Answer

delta G = delta H - Tdelta S >0 if not spontaneous
positive enthalpy change and negative entropy change

----

dissolving

----
+ delta S

anonymous · Answer

lol I found that on Y!A xD

anonymous · Answer

Which I ended up guessing correctly beforehand anyway o.O lol

anonymous · Answer

smart one