Heat can also be included as a separate term in chemistry, also known as, Enthalpy.
Reactions that release heat are exothermic. Whereas reactions that absorb heat are endothermic. Both can be used in stoichiometry.
Ex:
If 5.0g of Potassium Chlorate decompose, what volume of gas (@ STP) is produced?
When Zinc reacts with hydrochloric acid exactly 1.00L of hydrogen gas is produced (@STP). What mass of Zinc was reacted?
Octane reacts according to this chemical reaction:
Determine the amount of heat released when 0.5 mol of Octane react. How much heat is released when 25g of Oxygen are consumed?
Find the amount of heat released when 250g of ammonia form according to this chemical reaction:
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