Thermodynamics II

What type of heat transfer requires physical contact?

• Conduction

• Convection

• Radiation

What type of heat transfer transfers heat through waves?

• Conduction

• Convection

• Radiation

What form of heat transfer is responsible for the transfer of heat through liquids?

• Convection

• Conduction

• Radiation

Calculate the Uncertainty of the Mean for the following data set?

23, 26, 25

• 3

• 1.5

• 2

• 2.5

The heights of the class (to the centimetre) were measured using a ruler. What is the uncertainty of the data?

What is the formula for calculating thermal energy

• 35.112 kJ

• 3.51 kJ

• 35.112 J

• 351.12 kJ

Is this a true or false statement

Heat lost = Heat gained

• True

• False

Define Latent heat of vapourisation?

How many significant figures in the following number?

523.5

• 1

• 2

• 3

• 4