Answer:
Ok; just use PV=nRT solve for n.
Explanation:
<span>The correct answer is d. The reaction releases more energy than it absorbs. An example of an exothermic reaction is fire. Connecting the carbon atoms in wood with the oxygen in the air causes flames and gives of heat and light.</span>
Explanation:
It is the heat required to change a gram of substance from a liquid to a gas.