True.
A catalyst is a substancr that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
The two molecules will only react if they have enough energy. By heating the mixture, you are raising the energy levels of the molecules involved in the reaction. Increasing temperature also means the molecules are moving around faster and will therefore "bump" into each other more often.
You need to have 8 electrons to fill an atom and to fill bond the pairs need to equal 8
Answer:
all
Explanation:
water vapor is everywhere
ice is in the freezer and hopefully you drink water.