Home
Class 11
PHYSICS
A sample of 0.1 g of water at 100°C and ...

A sample of `0.1` `g` of water at `100°C` and normal pressure `(1.013 × 10^5 Nm^-2)` requires `54` `cal` of heat energy to convert to steam at `100°C`. If the volume of the steam produced is `167.1` cc, the change in internal energy of the sample is

A

`104.3` `J`

B

`208.7` `J`

C

`42.2` `J`

D

`84.5` `J`

Text Solution

Verified by Experts

The correct Answer is:
b
Promotional Banner

Topper's Solved these Questions

  • HEAT AND THERMODYNAMICS

    SURA PUBLICATION|Exercise (II) Match the Following|1 Videos

  • HEAT AND THERMODYNAMICS

    SURA PUBLICATION|Exercise (III) Fill In The Blacnks :|12 Videos

  • HEAT AND THERMODYNAMICS

    SURA PUBLICATION|Exercise IV Numerical Problems :|16 Videos

  • GRAVITATION

    SURA PUBLICATION|Exercise VALUE BASED QUESTIONS|4 Videos

  • KINEMATICS

    SURA PUBLICATION|Exercise Creative Question (HOTS)|12 Videos

Similar Questions

Explore conceptually related problems

A gas contained in a cylinder fitted with a frictionless piston expands against a constant external pressure or 1 atm from a volume of 5 litres to a volume of 10 litres. In doing so it absorbs 400 J of thermal energy from its surroundings. Determine the change in internal energy of system.

1 liter of an ideal gas (gamma =1.5) at 300k is suddenly compressed to half its original volume. (a) Find the ratio of the final pressure to the initial pressure. (b) If the original pressure is 100 kpa , find the work done by the gas in the process. (c) What is the change in internal energy? (d) What is the final temperature? (e) the gas is now colled to 300k keeping its pressure constant. Calculate the work done during the process . (f) The gas is now expanded iasothermally to achive its original volume of 1 liters. Calculate the work done by the gas .(g) Calculate the total work done in the cycle.

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.

5g of a gas is contained in a rigid container and is heated from 15^@C to 25^@C . Specific heat capacity of the gas at constant volume is 0.172 cal g ^(-1)^@C^(-1) and the mechanical equivalent of heat is 4.2 J cal . Calculate the change in the internal energy of the gas.

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.

Heat absorbed when 1 g of ice melts at 0^(@)C to form lg of water at the same temperature is ___ cal

Work done by 0.1 mole of a gas at 27°C to double its volume at constant pressure is (R = 2 cal/mol/K)

SURA PUBLICATION-HEAT AND THERMODYNAMICS-Additional Questions ( Multiple Choice Qustion )
  1. Aluminium has specific heat capacity of

    Text Solution

    |

  2. Internal energy comprises of two types of energies those are

    Text Solution

    |

  3. A sample of 0.1 g of water at 100°C and normal pressure (1.013 × 10^5 ...

    Text Solution

    |

  4. Amount of energy required to change liquid to gas and vice ...

    Text Solution

    |

  5. The internal energy change in a system that has absorbed 2 kcal of hea...

    Text Solution

    |

  6. 110 J of heat is added to a gaseous system whose internal energy is 40...

    Text Solution

    |

  7. Mercury has boiling point of

    Text Solution

    |

  8. If cp and cv denotes specific heats per unit mass of an ideal gas of m...

    Text Solution

    |

  9. One mole of an ideal gas requires 207 J heat to rise the temperature b...

    Text Solution

    |

  10. Bolye's law states that

    Text Solution

    |

  11. When an ideal diatomic gas is heated at constant pressure ...

    Text Solution

    |

  12. A cylinder contains hydrogen gas at pressure of 249 kPa and temperatur...

    Text Solution

    |

  13. In a thermodynamic process, pressure of a fixed mass of a gas is chang...

    Text Solution

    |

  14. 1 mole of a gas with gamma = (7)/(5) is mixed with 1 mole ...

    Text Solution

    |

  15. A gaseous mixture consists of 16g of helium and 16g of ...

    Text Solution

    |

  16. One kg of a diatomic gas is at a pressure of 8 xx 10^(4) Nm...

    Text Solution

    |

  17. The work fo 146 kJ is performed in order to compress me ...

    Text Solution

    |

  18. At boyle's temperature

    Text Solution

    |

  19. The equation of state for 5g of oxygen at a pressure P and tem...

    Text Solution

    |

  20. Surface of the lake is at 2^(@)C and depth of the lake is 20m ...

    Text Solution

    |