The starter and exit quiz of the lesson “Specific latent heat (E = m l)”, from the unit “Energy of moving particles” (Year 10 Science) by Oak National Academy.
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Oak National Academy
12 questions
Which of the following words is used to describe the change of state from a gas to a liquid?
Which of the following changes of state result in an increase in internal energy?
In which state of matter are the electrostatic forces between particles the strongest?
A substance is heated continuously from its solid state until it is in its gas state.Sort the following statements into the correct order to describe how the temperature of the substance changes.
A 100 g sample of pure silver has a melting point of 962°C. What is the melting point of a 50 g sample of the same material?
Calculate the energy needed to heat 8.0 kg of vegetable oil from 20°C to 170°C if the specific heat capacity of the oil is 2000 J/kg/°C.
Match the following key words or phrases to their definition.
Which of the following statements about changes of state for a pure substance at constant pressure are correct?
Why does the temperature stay constant when a substance is boiling as it is heated?
Which of the following equations, to calculate the energy required to change state, is correct?
The specific latent heat of fusion for ice (melting) is 334 kJ/kg.Calculate the energy required to melt 600 g of ice.Give your answer in kJ to 2 significant figures.
The specific latent heat of ice is 334 kJ/kg and its specific heat capacity is 2.11 kJ/kg/°C.Calculate the energy required to fully melt a 2.0 kg block of ice which starts at a temperature of –20°C.
