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 mol^-1 K^-1`. Molar mass of `Al =27g mol^-1`.

Calculate the number of kJ necessary to raise the temperature of 60g of aluminium from 35^(@)C to 55^(@)C . Molar heat capacity of Al is 24J*mol^(-1)*K^(-1) .

The amount of heat energy required to raise the temperature of 1g of water b 1^@C is called

How much heat is required to raise the temperature of 90 g of water from 30^(@)C to 100^(@)C ? [Molar heat capacity of water at constant pressure =75.3J*mol^(-1)*K^(-1) ]

Molar heat capacity of aluminum is 25 JK^-1 mol^-1 . The heat necessary to raise the temperature of 54g of aluminium (Atomic mass 27g mol^-1 ) from 30^@C to 50^@C is (1) 1.5 kJ (2) 0.5 kJ (3) 1.0 kJ (4) 2.5 kJ (5) 2.0 kJ

Calculate the thermal capacity of 200 gm Aluminium. Specific heat capacity of Aluminium 0.21 calorie gm^-1 @C^-1 .

How much heat will be released when the temperature of 1 mol of water changes from 90^(@)C to 80^(@)C ? Given: specific heat of water 4.18J*g^(-1)*K^(-1) .

What is the activation energy for a reaction if its rate doubles when the temperature is raised from 20^@C to’ 35^@C ? (R= 8.3154 J mol^-1 K^-1)

In a reaction 4 kJ of heat is released. If the same amount of heat is supplied to 200 g of water at 25^(@) , what will be the final temperature of water ? [Given : molar heat capacity of water =75.24 J. K^(-1) " mol"^(-1) ]

For 0.5 mol of an ideal gas, 15 cal of heat is required to raise its temperature by 10K at constant volume. The molar heat capacity for the gas at constant pressure is-

The amount of work done when a gas is expanded from a volume of 5 L to 10 L against a constant external pressure of 2 atm is used to heat 15 g of water present at a temperature of 300 K. Calculate the final temperature of water. (Given : molar heat capacity of water = 75.6 J. K^(-1). " mol"^(-1) ).