A soccer player twists her ankle on the field. The atheltic trainer applies an ice bag with 260 g of ice inside. How much heat, in joules, wil be absorbed, to melt all the ice to 0°C?

Question

Rohan Hampton

Chemistry

18 January, 19:33

A soccer player twists her ankle on the field. The atheltic trainer applies an ice bag with 260 g of ice inside. How much heat, in joules, wil be absorbed, to melt all the ice to 0°C?

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Answers (1)

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Katie Wolf · Answer 1

Q = 8.68 * 10⁴ J

Explanation:

We can calculate the heat required to melt a mass of ice, that is, to change it from the solid phase to the liquid phase, at a constant temperature of 0 °C, using the following expression.

Q = ΔH°f * m

where,

Q is the heat absorbed ΔH°f is the standard enthalpy of fusion (ΔH°f for water: 334 J/g) m is the mass of ice

Q = ΔH°f * m

Q = 334 J/g * 260 g

Q = 8.68 * 10⁴ J