Number #2 is joule
In the SI system the unit of heat is the joule. The calorie was defined so that the heat capacity of water was equal to one.The heat capacity of a substance is the amount of heat required to raise the temperature of a defined amount of pure substances by one degree.
Number #3 is Endothermic
Why? I can't explain. I Just left class where they were just explaining that.
The number of lone pairs that are most likely found on the central atom is zero. There are no lone pairs found on the central atom.
Enzymes are organic catalysts
and catalysts generally increase rate of reaction by lowering activation energy
C is the answer
Answer:
They are called insulators
