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31 July, 12:39

When 0.250 moles of licl are added to 200.0g of water in a constant pressure?

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  1. 31 July, 14:39
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    Lithium Chloride releases 37 kJ of energy per mole when dissolved in water.

    Energy released = 0.25 x 37

    = 9.25 kJ

    = 9,250 J

    Temperature change of water may be calculated using

    ΔH = mCpΔT

    Cp = 4.18 J/g

    ΔT = 9,250 / (200 x 4.18)

    ΔT = 11.1 °C
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