Unit 5 Physics

HideShow resource information
  • Created by: Tasha05
  • Created on: 21-04-14 14:42
Specific heat capacity
the heat energy required in joules to increases the temperature of 1 kg of a substance by 1 K (Jkg-1K-1)
1 of 14
Method of mixtures
heat lost by the hot substance=heat gained by the cold substance mct=mct
2 of 14
Latent heat
heat required for substance to change state but no change in temp
3 of 14
Specific latent heat of fusion
the heat required to change the state of 1kg of a material from solid to liquid without temp change
4 of 14
Specific latent heat of vaporisation
heat required to change the state of 1kg of a material from liquid to gas without a temp change
5 of 14
Equations for specific heat capacity
Q=mct, Q=VIt, Q=mL, Pt=mL, P=VI
6 of 14
Boyles' Law
For a fixed mass of gas at constant temp, pressure is inversely proportional to volume
7 of 14
Charles' Law
For a fixed mass of gas at constant pressure, volume directly proportional to absolute temp
8 of 14
Pressure Law
for a fixed mass of gas at constant volume, pressure is directly proportional to absolute temp
9 of 14
Equation of State
pV=nRT as PV/T is a constant
10 of 14
moles equations
n=no of molecules divide NA and n=m/Mr
11 of 14
Kinetic theory
molecules move randomly and with differing speeds. As temp increases Ek increases so Crms increases
12 of 14
Random motion
the speed and direction of any molecule at any instance cannot be predicted
13 of 14
Assumptions for kinetic theory
diameter of molecules negligible, forces between molecules negligible, random motion, collisions are elastic, steady pressure due to average of random impacts, large number of identical molecules
14 of 14

Other cards in this set

Card 2

Front

heat lost by the hot substance=heat gained by the cold substance mct=mct

Back

Method of mixtures

Card 3

Front

heat required for substance to change state but no change in temp

Back

Preview of the back of card 3

Card 4

Front

the heat required to change the state of 1kg of a material from solid to liquid without temp change

Back

Preview of the back of card 4

Card 5

Front

heat required to change the state of 1kg of a material from liquid to gas without a temp change

Back

Preview of the back of card 5
View more cards

Comments

No comments have yet been made

Similar Physics resources:

See all Physics resources »See all Thermal physics resources »