Ch.2 Chemical Reactions Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

the process by which one or more substances change to produce one or more different substances

A

chemical reaction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

a solid that is produced as a result of a chemical reaction in solution

A

precipitate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

a combination of chemical symbols and numbers to represent a substance

A

chemical formula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

a representative of a chemical reaction that uses symbols to show the relationship between the reactants and the products

A

chemical equation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

a substance or molecule that participates in a chemical reaction

A

reactant

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

the substance that forms in a chemical reaction

A

product

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

the law that states that the mass cannot be created nor destroyed in ordinary chemical and physical changes

A

law of conservation of mass

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

a reaction in which two or more substances combine to form a new compound

A

synthesis reaction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

a reaction in which a single compound breaks down to form two or more simpler substances

A

decomposition reaction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

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

A

single displacement reaction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

a reaction in which gas, a solid precipitate, or a molecular compound forms from the exchange of ions between two compounds

A

double displacement reaction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

a chemical reaction in which heat is released to the surroundings

A

exothermic reaction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

a chemical reaction that requires heat

A

endothermic reaction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

the law that states that energy cannot be created nor destroyed but can be changed from one form to another

A

law of conservation energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

the minimum amount of energy required to start a chemical reaction

A

activation energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

a substance that slows down or stops a chemical reaction

A

inhibitor

17
Q

a substance that changes the rate of chemical reaction without being used up or changed very much

A

catalyst