Chapter 10 thermal properties

Question 1

WHat is heat capacity

Answer 1

amount of thermal energy req to raise temp of a substance by 1k

Question 2

What is specific heat capacity

Answer 2

amount of thermal energy required to raise temperature of a unit mass of a substance by 1k

Question 3

Formula of specific heat capacity

Answer 3

Q=mc 0

Question 4

What is latent heat of fusion

Answer 4

energy absorbed to overcome intermolecular forces between solid particles during melting without change in temperature

Question 5

latent heat of vaporization?

Answer 5

amount of energy absorbed to overcome the intermolecular foam between liquid particles during boiling without a change in temp

Question 6

Specific latent heat of fusion

Answer 6

amount of thermal energy required to change a unit mass of substance from solid to liquid state

Question 7

formula of specific latent heat

Answer 7

Lf x m
Lv x m

Question 8

formula of heat capacity

Answer 8

q/0

Question 9

What happens in melting and boiling

Answer 9

latent heat of fusion is absorbed
latent heat of vaporization

Question 10

What happens in freezing and condensation

Answer 10

latent heat of fusion is released
latent heat of vaporization

Question 11

Factors of EVAP

Answer 11

exposed surface area
temp diff
Presence of wind
Humidity