Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

science 8th grade > chapter 2 > Flashcards

chapter 2 Flashcards

You may prefer our related Brainscape-certified flashcards:
Biology 101 flashcards
1
Q

chemical reaction

A

the process by wich one or more substances change to produce one or more diffrent 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 if 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 symbolys 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 represenatiave of a chemical reaction that uses symbols to show the relationship 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 molecule that parcipatates in a chemical reaction

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

product

A

the substance that forms in a chemical reaction

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

law of conservation of mass

A

mass cannot be created or destroyed in ordinary chemical an physical chanes

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

synthesis reaction

A

a reaction in wich 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 wich a single compound breaks down to form two or more simplier substances

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

single-displacement reaction

A

a reaction in wich one element or radical takes the place of anoteher 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 reaction

A

a reaction in wich a gas a solid precipatate or molecular 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 wich 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 reactionthat 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 states that 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 minium amount of energy required to start a chemical rection

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

inhibitor

A

a substance that slos down or stops a chemical reaction

17
Q

catalyst

A

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

science 8th grade (3 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions