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CHE 1000

Exan 2

A___ is used to describe a chemical change. Chemical equation(reaction)
In a chemical equation the ___ are written on the left. Reactants
In a chemical equation the ___ are written on the right. Products
In the law of conservation of mass, in a chemical change _____ is neither created or destroyed. Mass
This is a substance that speeds up a chemical reaction without itself being consumed. Catalyst
The following compound; HO2(aq), is an example of what? Acid
The following compound; Mg(HO)2 (aq), is an example of what? Base
T/F In the guideline for balancing chemical equations; once you have written the correct formula (Fe+HCl(aq)→FeCl2(aq)+H2) you should not change it during the subsequent balancing operations? True
Created by: sholmes1026