Spontaneous reactions

A.

are always exothermic.

B.

always take place at a rapid rate.

C.

always result in increased disorder of the system.

D.

always release free energy.

Question

Spontaneous reactions
	
A. 	
	
	 

are always exothermic.
 
	
B. 	
	
	 

always take place at a rapid rate.
 
	
C. 	
	
	 

always result in increased disorder of the system.
 
	
D. 	
	
	 

always release free energy.

anonymous · Answer

Spontaneous reactions are reactions that do not require energy and G is negative. G stands for Gibbs free energy. Because the reaction does not require energy, it will instead release energy. It can be endothermic or exothermic...therefore the answer is D.