Protons, nuetrons, and electrons
Reactant molecules are any substance that goes into a reaction. When forming product molecules, the reactant molecules combine and create a new molecule (i.e. the combination of methane and oxygen can make carbon dioxide and water).
Answer:
Carbon dioxide is produced, and as a gas, it was not captured to measure its mass.
Explanation:
Answer:
(we use hess's law) it is so simple but the second reaction is not correct please right it
