wording on this one is tricky...
Which of the following phrases can describe an endothermic process?

A. Energy is released in forming the bonds of the product molecules in a reaction.
B. The net energy change for a reaction is positive.
C. A system gives off energy as it cools down.
D. Energy is transferred to the surroundings by either heat or work.

Question

wording on this one is tricky...
Which of the following phrases can describe an endothermic process?

 		A.	Energy is released in forming the bonds of the product molecules in a reaction.
 		B.	The net energy change for a reaction is positive.
 		C.	A system gives off energy as it cools down.
 		D.	Energy is transferred to the surroundings by either heat or work.

abhisar · Answer

What do u think it should be ?

anonymous · Answer

it's B.

anonymous · Answer

why is it B? @moradi312 @abhisar

anonymous · Answer

why not?

anonymous · Answer

in endothermic reactions,amount of energy that reaction need to occur is more than energy that released hence total energy change is positive.right?

abhisar · Answer

In Endothermic reaction energy is taken/absorbed by the system.