What amount of heat must be supplied to `2.0 xx 10^(-2)` kg of nitrogen (at room temperature ) to raise the temperature by `45^(@)C` at constant pressure. Molecular mass of `N_(2) = 28 , R= 8.3 J "mol"^(-1) K^(-1)`.

what amount of heat must be supplied to 2.0 xx 10^(-2) kg of nitrogen (at room temperature ) to raise its temperature by 45^(@)C at constant pressure (Molecular mass of N_(2) = 28 , R = 8.3 J mol^(-1) k^(-1))

A tank of volume 0.2 m^3 contains helium gas at a temperature of 300 K and pressure 1.0 xx 10^5 N m^(-2) . Find the amount of heat required to raise the temperature to 400 K . The molar heat capacity of helium at constant volume is 3.0 cal K^(-1 ) mol^(-1) . Neglect any expansion in the volume of tank.

A sample of air weighing 1.18 g occupies 1.0 xx 10^(3) cm^(3) when kept at 300 K and 1.0 xx 10^(5) pa. When 2.0 cal of heat is added to it constant volume, its temperature increases by 1^@C . Calculate the amount if heat needed to increases the temperature of air by 1^@C at constant pressure if the mechanical equivalent of heat si 4.2 xx 10^(-1) . Assume that air behaves as an ideal gas.

_____ is defined as the amount of heat reqiered to raise the temperature of 1 kg of a substancc by 1^@C .

The amount of heat energy required to raise the temperature of 1g of helium at NTP, from T_1K to T_2K is

Calculate the amount of heat necessary to raise 180 g of water from 25^@C to 100^@C . Molar heat capacity of water is 75.3 "J mol"^(-1) K^(-1)

One mole of an ideal gas requires 207 J heat to rise the temperature by 10 K when heated at constant pressure. If the same gas is heated at constant volume to raise the temperature by the same 10 K , the heat required is (Given the gas constant, R = 8.3 J/mol-K).

A cylinder of fixed capacity 44.8 litres contains helium gas at standard pressure at temperature . What is the amount of heat need to rest that temperature of the gas by 15.00^@C ? [ R = 8.31 " J mol"^(-1)K^(-1)]