Which of the following materials is not part of every chemical reaction?

A.
reactants

B.
products

C.
gases

D.
energy

Question

Which of the following materials is not part of every chemical reaction?
	
	
 
A.
	reactants
	
 
B.
	products
	
 
C.
	gases
	
 
D.
	energy

anonymous · Answer

@studygeek15

anonymous · Answer

please help me

anonymous · Answer

Well, reactants and products are always part of a chemical reaction. I would think energy would be required. So  I would say C. gases

anonymous · Answer

and Which one is a true statement about exothermic reactions?
	
	
 
A.
	Energy from an outside source is continuously being added.
	
 
B.
	The reaction container always feels cold.
	
 
C.
	The reactants have more heat energy than the products.
	
 
D.
	More heat is given off than is put into the reaction.

anonymous · Answer

This one Im not sure about. Try posting it on a new thread, and someone else may be able to help.