17-1

Question 0

Define heat

Answer 0

Sum total of the KE of all particles in a sample of matter

Question 1

Define thermochemistry.

Answer 1

Defined as the study of heat changes that accompany chemical rxn and physical changes

Question 2

What does heat flow from?

Answer 2

[High] to [Low]

Question 3

What is heat measured in?

Answer 3

Calorimeter

Question 4

What does a calorimeter contain?

Answer 4

Contains water in an insulated vessel

Question 5

Where does a calorimeter rxn occur?

Answer 5

Rxn occurs in a known mass of water

Question 6

What is temperature?

Answer 6

Measures the average KE of particles in a sample of matter

Question 7

What are joules?

Answer 7

The SI unit of heat or nrg

Question 8

What is the abbreviation for joules?

Answer 8

J

Question 9

What is 1J equal to?

Answer 9

(N)(m)

Question 10

What is a newton? And abbreviation?

Answer 10

A unit if force

N

Question 11

What is a meter?

Abb

Answer 11

A unit of distance

No abb

Question 12

Define specific heat

Answer 12

Amount of heat nrg required to raise T of a substance by 1 C or K

Question 13

What substance has the highest specific heat?

Answer 13

Water has the highest specific heat of any common substance

Question 14

Define heat capacity

Answer 14

The ability of a material to absorb heat

Question 15

What 3 things does heat capacity depend on?

Answer 15

1. The material changing T
2. HS mass
3. Size of the change in T

Question 16

What is the formula for 1N?

Answer 16

1N = (kg)(m2)/sec2

Question 17

What is the formula for 1J?

Answer 17

1J = (kg)(m2)/sec2

Question 18

What is the constant for J?

Answer 18

4.18 J/(g)(K)

Question 19

Define heat capacity

Answer 19

The ability of a material to absorb heat

Question 20

What 3 things does heat capacity depend on?

Answer 20

1. The material changing T
2. It’s mass
3. Size of the change in T