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23 February, 07:07

How much heat is absorbed when 4.5g of ice at 0°C melts to water at 10°C?

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  1. 23 February, 07:14
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    Answer: 90.45 joules

    Explanation:

    The quantity of Heat Energy (Q) absorbed by ice depends on its Mass (M), specific heat capacity (C) and change in temperature (Φ)

    Thus, Q = MCΦ

    In this case,

    Q = ?

    Mass of ice = 4.5g

    C = 2.010 J/g°C (Though not provided, but the specific heat capacity of ice is 2.010 J/g°C)

    Φ = (Final temperature - Initial temperature)

    = 10°C - 0°C = 10°C

    Then, Q = MCΦ

    Q = 4.5g x 2.010 J/g°C x 10°C

    Q = 90.45 joules

    Thus, 90.45 joules of heat is absorbed by ice.
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