When 20 grams of water is heated from 100C to 150C it requires an energy in joules hellip ........

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When 20 grams of water is heated from 100C to 150C, it requires an energy in joules…

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Explanation:

Q = mc ΔT, where Q is the heat energy transferred (in joules), m is the mass of the liquid being heated (in kilograms), c is the specific heat capacity of the liquid (joule per kilogram degrees Celsius), and ΔT is the change in temperature of the liquid (degrees Celsius).

Water has a specific heat capacity of 4,181 joules/kg degrees C