Specific latent heat (Edexcel GCSE Physics): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is latent heat?
What is latent heat?
Energy for a change of state
What mass of substance does specific latent heat refer to?
What mass of substance does specific latent heat refer to?
1 kilogram
What happens to temperature during a change of state?
What happens to temperature during a change of state?
It remains constant
What is the specific latent heat of fusion?
What is the specific latent heat of fusion?
Energy for solid to liquid change
What is the specific latent heat of vaporisation?
What is the specific latent heat of vaporisation?
Energy for liquid to gas change
What is the formula for energy in a change of state?
What is the formula for energy in a change of state?
What are the units of energy () in the formula ?
What are the units of energy () in the formula ?
Joules (J)
What are the units of specific latent heat ()?
What are the units of specific latent heat ()?
J/kg
During cooling, what happens to specific latent heat?
During cooling, what happens to specific latent heat?
It is released by the substance
Calculate energy needed to melt 2 kg ice. J/kg. Use .
Calculate energy needed to melt 2 kg ice. J/kg. Use .
668000 J
What should you plot in the experiment measuring ice melting?
What should you plot in the experiment measuring ice melting?
Temperature against time
What does a plateau on a temperature-time graph show?
What does a plateau on a temperature-time graph show?
Temperature is constant during state change