A negative change in free energy, or −ΔG, represents a spontaneous reaction.
(Points : 2)
True
False

Question

A negative change in free energy, or −ΔG, represents a spontaneous reaction.
 (Points : 2)  
       True 
        False

anonymous · Answer

If a reaction is spontaneous, is energy required to be put into the system?

anonymous · Answer

no

anonymous · Answer

Correct! :)

So if energy is lost to the environment, what does this indicate?

anonymous · Answer

so it would be true because it is free energy lost which means there was nothing put in?

preetha · Answer

Here is a good tutorial, http://www.chem.tamu.edu/class/majors/tutorialnotefiles/gibbs.htm You should read it.

anonymous · Answer

If there is a negative (−ΔG) change in free energy then the reaction is favorable.

preetha · Answer

Basically, DG = DH -TDS, so if DH is -ve, and DS is + (heat given off , - ve, and entropy increases) DG will be - ve and the overall reaction is spontaneous.

anonymous · Answer

so it is true?

anonymous · Answer

Yes

anonymous · Answer

Thank you! I appreciate you guys' help hopefully you will continue to help on other questions I need help with :+)