• 2.4: specific heat capacity • 2.5: heating and insulating buildings
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What is specific heat capacity?
What is the equation for finding the energy transferred with the specific heat capacity?
the _____ the mass of an object, the more slowly its ______ increases when it is heated
What does the temperature rise depend on, when a substance is heated?
Calculate the energy needed to increase the temp:
• of 2kg of water
• from 20C to 100C
• the SHC of water is 4200 J/kg C
How are homes heated?
Give examples of ways you can reduce the rate of energy transfer in your home.
What is loft insulation?
What is cavity wall insulation?
How does aluminium foil between a radiator and the wall reduce the rate of energy transfer?
How do double glazed windows reduce the rate of energy transfer?
