in a calorimeter, 20 g of ice absorbs heat with an enthalpy of fusion of 334 j/g. what is the heat absorbed
Answer:The heat absorbed by the 20 g of ice is 6,680 Joules.
Explanation:
Enthalpy of fusion is defined as amount of heat required to change the 1 mole of substance from solid phase to liquid phase when pressure and temperature remains constant.
Here in the question we are given with an enthalpy of fusion of 334 J/g. Which means that 334 Joules of heat will be required to melt 1 gram of ice.
Mass of ice in calorimeter = 20 g
Heat absorbed by the 20 g of ice =\(20 g\times 334 J\g=6,680 J\)
The amount of heat energy absorbed by the 20 g of ice in the calorimeter is 6680 J
From the question given above, the following data were obtained:
The heat absorbed can be obtained as illustrated below:
Q = m × ΔHf
Q = 20 × 334
Q = 6680 J
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