Home
Class 12
CHEMISTRY
Calculate the number of KJ necessary to ...

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)`

Text Solution

Verified by Experts

`q = nC Delta T = ((60)/(27)) xx 24 xx (55-35) = 1066 J = 1.066 kJ`
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

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

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

Knowledge Check

  • Heat required to raise the temperature of 1 mol of a substance by 1^(@)C is called

    A
    Specific heat
    B
    Molar heat capacity
    C
    Water equivalent
    D
    Specific gravity

    • Similar Questions

    Explore conceptually related problems

    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 60g of aluminium from 35 to 55^(@)C . Molar heat capacity of Al is 24 J mol^(-1)K^(-1) .

    Calculate the amount of heat required to raise the temperature of 13.5 g aluminium from 300 K to 400 K, if specific heat of aluminium is 0.9 J (.^(@)C)^(-1) g^(-1) .

    An ideal gas undergoes isothermal compression from 5 m^(3) to 1 m^(3) against a constant external pressure of 4Nm^(-2) . Heat released in this process is used to increase the temperature of 1 mole of Al. If molar heat capacity of Al is 24 J mol^(-1)K^(-1) , the temperature of Al increases by

    Calculate the amount of heat required to raise the temperature of 13.9 g aluminium from 300 K to 400 K , if specific heat of aluminium is 0.9 J^(@)C^(-1) g^(-1) .

    0.32 g of exygen is kept in a rigid container and is heated. Find the amount of heat needed to raise the temperature from 25^0 C to 35^0 C . The molar heat capacity of oxygen at constant volume is 20 J K^(-1) mol^(-1) .

    When 10 g of coal is burnt, it raises the temperature of 2 litres of water from 20^(@)C to 55^(@)C . Calculate the heat of combustion of fuel.

    Home
    Profile