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The specific heat capacity of water is 4...

The specific heat capacity of water is `4.2 J g^(-1)C^(-1)` . What does this statement mean?

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It means that 4.2J of heat energy is absorbed by 1g of water to raise its temperature by `1^(@)C`
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Specific heat capacity of water is ____ J kg^(-1) K^(-1) .

The heat produced on complete combustion of 20 g of a fuel could raise the temperature of 1.5 kg of water form 25^(@)C to 75^(@)C . Calculate the calorific value of the fuel if the specific heat capacity of water is 4.2 J g^(-1).^(@)C^(-1) . Assume that the heat absorbed by the container is negligible.

Knowledge Check

  • What is the specific heat capacity of water?

    A
    1 cal `g^(-10)C^(-1)`
    B
    4186 cal J `g^(-10)C^(-1)`
    C
    4186 cal kJ`g^(-10)C^(-1)`
    D
    0.04186 cal J `g^(-10)C^(-1)`

    • Similar Questions

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    The heat produced on complete combustion of 20 g of a fuel could raise the temperature of 1.5 kg of water from 25^@C to 75^@C . Calculate the calorific value of the fuel if the specific heat capacity of water is "4.2 J g"^(-1) ""^(@)C^(-1) . Assume that the heat absorbed by the container is negligible.

    the thermal capacity of 11 kg of water is same as 120 kg of copper. If specific heat capacity of water is 4200. J kg^(-1)" "K^(-1) , find the specific heat capacity of copper.

    A new linear temperature scale designed for specific experiment records the ice point at 22°T (°T is the new unit of temperature) and the steam point 232°T. If specific heat capacity of water is 4200 in J kg^(-1) ""^(@)C^(-1) ,then what will be its value in J kg^(-1) ""^(@)T^(-1) ?

    Specific heat of water is 1 cal g^(-1) .^(@)C^(-1)

    Work done in expansion of anideal gas from 4 litre against a constant external preesure of 2.1 atm was used to heat up 1 mole of water at 293 K. If specific heat of water is 4.2 J g^(-1) K^(-1) , what is the final temperature of water (in K) ?

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    What will be the result of mixing 2kg of cooper at 100^(@)C with 0.75 kg of ice at 0^(@)C (Specific heat capacity of cooper =378J kg^(-1)K^(-1) specific heat capacity of water =4200 J kg^(-1)K^(-1) and specific latent heat of fusion of ice =336xx10^(3)Jkg^(-1) )

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