Home
Class 12
CHEMISTRY
Enthalpy of fusion of ice at 0^(@)C and ...

Enthalpy of fusion of ice at `0^(@)C` and 1 atm is 6.02 kJ`*mol^(-1)`. The change in entropy `(J*K^(-1))` of the surroundings when 9 g of water is frozen at `0^(@)C` and 1 atm pressure is-

A

`+11.02`

B

`-11.02`

C

`-20.27`

D

`+23.09`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL THERMODYNAMICS

    CHHAYA PUBLICATION|Exercise VERY SHORT TYPE QUESTIONS|53 Videos
  • CHEMICAL THERMODYNAMICS

    CHHAYA PUBLICATION|Exercise FILL IN THE BLANKS|23 Videos
  • CHEMICAL THERMODYNAMICS

    CHHAYA PUBLICATION|Exercise ENTRANCE QUESTION BANK|53 Videos
  • CHEMICAL KINETICS

    CHHAYA PUBLICATION|Exercise EXERCISE (NUMERICAL PROBLEMS)|37 Videos
  • CHEMISTRY IN EVERYDAY LIFE

    CHHAYA PUBLICATION|Exercise PRACTICE SET 15|15 Videos

Similar Questions

Explore conceptually related problems

Latent heat in fusion of ice at 0^(@)C is 6025.24 J*mol^(-1) . Calculate molar entropy of the process at 0^(@)C .

Density of a gas at 30^(@)C and 1.3 atm pressure is 0.027 g*mL^(-1) . What is the molar mass of the gas?

Calculate (1) the enthalpy change in the fusion of 100 g ice at 0^(@)C temperature and 1 atm pressure pressure (2) the enthalpy change in the vaporisation of 10g water at 100^(@)C temperature and 1 atm pressure. Givenn : Latent heat of ice at 0^(@)C temperature and 1 atm pressure =6.02kJ*mol^(-1) and latent heat of vaporisation of water at 100^(@)C temperature= 40.4kJ*mol^(-1) .

The enthalpy of vaporisation of benzene at 80^(@)C (boiling point) is 31 kJ*mol^(-1) . What will be the change in entropy of rthe transformation of 31.2g of benzene vapour into liquid benzene at 80^(@)C ?

The molar enthalpy of fusion and molar entropy of fusion for ice at 0^(@)C and 1 atm are 6.01 kJ*mol^(-1) and 22.0J*K^(-1)*mol^(-1) , respectively. Assuming DeltaH and DeltaS are independent of temperature, show that the melting of ice at 1 atm is not spontaneous, while the reverse process is spotantaneous.

Calculate the volume of 3.6g of water vapour at 273K temperature and 1 atm pressure.

Latent heat of fusion of ice at 0^(@)C is 80cal/g. calculate the olar entropy change for the fusion process.

The enthalpy of vaporisation of a certain liquid at its boiling point off 35^(@)C is 24.64kJ*mol^(-1) . The value of change in entropy for the process is-

At STP, the density of a gas is 1.25g*L^(-1) . The molar concentrationn (mol*L^(-2)) of 0.7 g of this gas at 27^(@)C and a pressure of 2 atm is-

What do you mean by the enthalpy of solidification of water at 0^(@)C and 1 atm pressure =- 6.02 " kJ mol"^(-1) ?

CHHAYA PUBLICATION-CHEMICAL THERMODYNAMICS-MCQ HOTSPOT (SINGLE CORRENT TYPE)
  1. The initial state of 1 mol of an ideal gas is (P(1),V(1),T(1)). The ga...

    Text Solution

    |

  2. At a constant pressure the amount of heat required to raise the temper...

    Text Solution

    |

  3. Enthalpy of fusion of ice at 0^(@)C and 1 atm is 6.02 kJ*mol^(-1). The...

    Text Solution

    |

  4. At given pressure and a temperature of 300K, DeltaS(sys) and DeltaS("s...

    Text Solution

    |

  5. In a reversible process, if changes in entropy of the system and its s...

    Text Solution

    |

  6. A flask of volume 1L contains 1 mol of an ideal gas. The flask is conn...

    Text Solution

    |

  7. The heats of neutralisation of four acids A, B, C and D are 13.7, 9.4,...

    Text Solution

    |

  8. In a closed insulated container, a liquid is stirred with a paddle to ...

    Text Solution

    |

  9. How many calories are required to increase the temperature of 40g of A...

    Text Solution

    |

  10. Water is supercooled to -4^(@)C. The enthalpy (H) of the supercooled w...

    Text Solution

    |

  11. Standard entropy of X(2),Y(2) and XY(3) are 60, 40 and 50J*K^(-1)*mol^...

    Text Solution

    |

  12. Two moles of a gas of volume 50L and pressure 1 atm are compressed adi...

    Text Solution

    |

  13. Given (at 25^(@)C): C (s, graphite)toC(g),DeltaH^(0)=+713.64kJmol^(-...

    Text Solution

    |

  14. DeltaH value for the given reactions at 25^(@)C are- C(3)H(8)(g)to3C...

    Text Solution

    |

  15. At 0^(@)C and normal pressure, the enthalpy of fusion of ice is 334.7J...

    Text Solution

    |

  16. Given: NH(3)(g)+3Cl(2)(g)toNCl(3) (g)+3HCl(g),-DeltaH(1) N(2)(g)+3H(...

    Text Solution

    |

  17. When 1 g of graphite is completely burnt in a bomb calorimeter, the te...

    Text Solution

    |

  18. The volume of a gas is reduced to half from its original volume. The s...

    Text Solution

    |

  19. For which molar specific heat is temperature independent-

    Text Solution

    |

  20. Which of the following quantities are stable functiond-

    Text Solution

    |