Chapter 7 Vocab Flashcards Preview

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Flashcards in Chapter 7 Vocab Deck (17):
1

Product

the result of newly formed substances

2

Chemical Equation

representation of a reaction in which the reactants and products are expressed in formulas

3

Coefficients

the number that appear before the formulas

4

Mole

an amount of a substance that contains approximately 6.02 x 10 (23 small)

5

Molar Mass

the mass of one mole of a substance

6

Synthesis Reaction

a reaction in which two or more substances react to form a single substance

7

Decomposition Reaction

reaction in which a compound breaks down into two or more simpler substances

8

Single-Replacement Reaction

reaction in which one element takes the place of another element in a compound

9

Double-Replacement Reaction

reaction in which two different compounds exchange positive ions and form two new compounds

10

Combustion Reaction

reaction in which a substances reacts rapidly with oxygen, often producing heat and light

11

Oxidation-Reduction

reaction in which electrons are transferred from one reactant to another

12

Chemical Energy

energy stored in the chemical bonds of a substance

13

Exothermic Reaction

chemical reaction that releases energy to its surroundings

14

Endothermic Reactions

chemical reaction that absorbs energy from its surroundings

15

Reaction Rate

rate at which reactants change into products over time

16

Catalyst

substance that affects the reaction rate without being used up in the reaction

17

Reactants

the substance(s) that undergo change