unit 2 Flashcards

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

chemical reaction

A

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

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

precipitate

A

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

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

chemical formula

A

a combination of chemical symbols and numbers to represent a substance

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

chemical equation

A

a representation of a chemical reaction that uses symbols to show the realtionship between the reactants and the products

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

reactant

A

a substance or a molecule that participates in a chemical reaction

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

product

A

the subtance tha tforms in a chemical reaciton

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

law of conservation of mass

A

the law tha tstaes that mass cannot be created or destrowed in ordinary chemical and physical changes

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

synthesis reaction

A

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

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

decomposistion reaction

A

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

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

single-displacement

A

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

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

double-displacement

A

a reaction in which a gas a solid precipitate ior a molecule compound forms from the exchange of ions between two compounds

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

exothermic reaction

A

a chemical reaction in which heat is released to the surroundings

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

endothermic reaction

A

a chemical reaction that requires heat

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

law of conservation of energy

A

the law that says energy can not be created or destroyed but can be changed from one form to another

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

activation energy

A

the minimum amount of energy required to start a chemical reaction

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

inhibitor

A

a a substance that slows donw or stops a chemical reaction

17
Q

catalyst

A

a substance that slows down or stops a chemical