Here are the terms matched with their correct definitions:
1. **chemical change** - **d. a change that takes place when atoms of one or more substances are rearranged into new combinations, forming one or more new substances**
2. **physical change** - **b. a change in which the chemical makeup of the substance is not changed**
3. **chemical reaction** - **c. a process that produces a chemical change, in which substances are changed into new substances**
4. **Law of Conservation of Mass** - **e. States that mass is neither created nor destroyed by chemical reactions or physical transformations**
5. **chemical equation** - **a. a representation of a chemical reaction using chemical symbols and numbers**