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TGS Calculating Latent Heat JBI

Last updated about 5 years ago

3 questions

1

Question 1

1.

Energy (J) = mass (kg) x Specific latent heat (J/kg)
E = m x L
Specific latent heat of fusion of water :334000 J/kg
Specific latent heat of vapourisation of water: 2258000 J/kg
Calculate the quantity of heat energy required to:
Convert 2 kg of water at 100 oC into steam

1

1

Question 3

3.

Challenge: Calculate the mass of water that can be converted into steam using 100,000J of energy

Question 2

2.

Energy (J) = mass (kg) x Specific latent heat (J/kg)
E = m x L
Specific latent heat of fusion of water :334000 J/kg
Specific latent heat of vapourisation of water: 2258000 J/kg
Calculate the quantity of heat energy required to:
Convert 3kg of ice into water at 0 oC.