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Nakul Maharaj
Asked: 2022-11-11T13:22:55+05:30 In:

Calculate the number of `KJ` necessary to raise the temperature of `60.0 gm` of aluminium from `35^(@)` to `55^(@)C`. Molar heat capcacity of `Al` is `24 J mol^(-1)K^(-1)`

Calculate the number of `KJ` necessary to raise the temperature of `60.0 gm` of aluminium from `35^(@)` to `55^(@)C`. Molar heat capcacity of `Al` is `24 J mol^(-1)K^(-1)`
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  1. `q = nC Delta T = ((60)/(27)) xx 24 xx (55-35) = 1066 J = 1.066 kJ`

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Mustafa Deshpande
Asked: 2022-11-01T22:25:13+05:30 In:

Calculate the number of kJ necessary to raise the temperature of `60.0` g of aluminium from 35 to `55^(@)C` . Molar heat capacity of aluminium is`24J mol^(-1)K^(-1)`.

Calculate the number of kJ necessary to raise the temperature of `60.0` g of aluminium from 35 to `55^(@)C` . Molar heat capacity of aluminium is`24J mol^(-1)K^(-1)`.
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  1. `q = n xx C xx DeltaT = ((60)/( 27) mol) ( 24 J mol^(-1) K^(-1)) ( 55 – 35K) =1066 .7 J =1.07 kJ `

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Gulzar Rao Tara
Asked: 2022-10-29T12:33:13+05:30 In:

Calculate the number of kJ necessary to raise the temperature of 60 g of aluminium from 35° C to 55 °C. Molar heat capacity of Al is 24 J /mol/ K

Calculate the number of kJ necessary to raise the temperature of 60 g of aluminium from 35° C to 55 °C. Molar heat capacity of Al is 24 J /mol/ K

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  1. Energy required q = Cm x n x Δ T

    = 24(J/mol/K) X 2.22(mol) X 20 (K )

    [Δ T = 55°C-35°C =20 °C=20 K]

    = 1066.8 J 

    or 1.07 KJ

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