A substance that speeds up the rate of a chemical reaction is called
A. a catalyst.

B. a lipid.

C. a molecule.

D. an element.

Question

A substance that speeds up the rate of a chemical reaction is called 
 A. a catalyst.  
 
 B. a lipid.  
 
 C. a molecule.  
 
 D. an element.

thomaster · Answer

What do you think? any idea?
This website is not created so that you can just let other people do your homework..

anonymous · Answer

I NO
 I DO MY PART AT HOME THE THINGS I GET WRONG R JUST DONT KNOW HOW TO DO I PUT IT ON HERE SO I CAN DO IT RIGHT I DONT WANT ANYONE TO COME GIVE ME THE ANSWER RIGHT  OUT BUT IF THEY DO THEY DO I JUST WANNA LITTLE HELP THATS ALL

thomaster · Answer

Allright... you don't have to write in capslock though.

Molecules are made from elements. Some molecules can speed up reactions but both of these answers are too global.
Lipids are fats. they don't speed up reactions.
Catalysts increase the reaction rate by lowering activation energy.

anonymous · Answer

catalysts

anonymous · Answer

its between molecule.  n catalysts

thomaster · Answer

catalyst is correct