Answer:
Catalysts
Explanation:
Catalysts lower the aviation energy.
A coefficient is the number that comes before a variable in a term. Examples include...
4x
5b
17y
We subtract the enthalpies of the reactants from that of the products:
Since this is < 0, this is an exothermic reaction.
The molecules
the means there is 4 compounds of nh3
Answer:
solid, liquid
Explanation:
solid liquid and gas are the three most common states of matter, my best guessstimation is that solid is the ¨normal form¨ with you having to then heat it up to get to gas or, change it to liquid... even though most of the earth is liquid soo it could also be liquid try your best and think it over