Thermodynamics

Question 1

What is Boyles law?

Answer 1

For constant mass of gas at constant temperature, the pressure is inversely proportional to its volume

Question 2

What is Charles law?

Answer 2

For constant mass of gas at constant pressure, the volume is proportional to the temperature

Question 3

What is the pressure law?

Answer 3

For a constant mass of gas at a constant volume, the pressure is proportional to its temperature

Question 4

What is the ideal gas equation?

Answer 4

PV=NkT

N=number of molecules
k=Boltzmann’s constant

Question 5

What is the overall gas law equation?

Answer 5

PV/T=PV/T

Question 6

What is specific heat capacity?

Answer 6

The energy needed to raise 1kg unit by 1 Kelvin

Question 7

What is the specific heat capacity equation?

Answer 7

C=E/m(theta)

Question 8

Why is water a good conductor?

Answer 8

This is because it has a high specific heat capacity which takes large increases in energy for small increases in temperature

Question 9

What is vaporisation?

Answer 9

The change of state from liquid to gas and gas to liquid

Question 10

What is fusion?

Answer 10

The change of state from solid to liquid and liquid to solid

Question 11

What is the latent heat equation?

Answer 11

E=mL

Question 12

What five properties are needed for an ideal gas?

Answer 12

1. Contains large molecules
2. Molecules have rapid random motion
3. Molecules have negligible volume
4. There are no inter-molecular forces
5. Collisions are perfectly elastic and instantaneous