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Specheatcap P1

QuestionAnswer
Define specific heat capacity. The amount of energy required to heat 1 kg of a substance by 1°c
What is the formula for specific heat capacity? E=MCΘ
What does the E stand for? Energy required
What does M stand for? Mass
What does C stand for? Specific heat capacity
What does Θ stand for? Temperature change
Why would materials in heaters have high specific heat capacities? Because the materials could store a lot of heat energy
How is water's specific heat capacity used? It is high so is useful for heating buildings when pumped around by pipes
What materials are used in electric storage heaters and how are they used? Materials with high specific heat capacity such as concrete or bricks, so they can store energy at night and release it during the day
Why would you want to store the heat at night? Because electricity is cheaper at night
What is one benefit of oil based heaters over water? Oil has higher boiling point so can reach higher temperatures more safely than water heaters
What would be one reason why oil based heaters are worse than water based heaters? Because water as a higher specific heat capacity
Created by: GuyBrazier
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