Chapter 10 Study Guide

Question 1

three types of energy

Answer 1

1. Kinetic
2. Potential
3. Internal

Question 2

Kinetic-

Answer 2

energy of motion

Question 3

Potential-

Answer 3

stored energy

Question 4

Internal-

Answer 4

energy within an atom/molecule; heat of reaction is most effected by Internal energy

Question 5

Heat-

Answer 5

flow of energy due to a temperature difference (units: joules, calories)

Question 6

1 calorie

Answer 6

4.184 J

Question 7

Temperature

Answer 7

random movement of molecules (units: oC, oF, K)

Question 8

Exothermic

Answer 8

release heat; heat is a product of the reaction (q is negative)

Question 9

Endothermic

Answer 9

absorb heat; heat is reactant in the reaction (q is positive)

Question 10

Untis

Answer 10

J/g- *C

Question 11

Water (L)* (liquid)

Answer 11

4.184

Question 12

Water (s) (ice)

Answer 12

2.03

Question 13

Water (g) (steam)

Answer 13

2.0

Question 14

Aluminum (s)

Answer 14

0.89

Question 15

Iron (s)

Answer 15

0.45

Question 16

Mercury (L)

Answer 16

0.14

Question 17

Carbon (s)

Answer 17

0.71

Question 18

Silver (s)

Answer 18

0.24

Question 19

Gold (s)

Answer 19

0.13

Question 20

What is the use of Specific Heat Capacity

Answer 20

physical property of a substance; can be used to identify an unknown substance

Question 21

Definition of Specific Heat Capacity

Answer 21

the amount of heat required to raise one gram of a substance by one Celsius degree

Question 22

Calculating heat

Answer 22

Q= m x s x delta T

Question 23

Mass must be in

Answer 23

Grams

Question 24

Temperature change must be in

Answer 24

Celsius

Question 25

Specific heat capacity of water is defined as

Answer 25

4.184 J/g- C

Question 26

2 types of reactions

Answer 26

1. Exothermic

2. Endothermic

Question 27

Calorie

Answer 27

The amount of heat required to raise one gram of water one degree celaius