Home
Class 11
CHEMISTRY
One mole of ice is melted at 0^(@)C and ...

One mole of ice is melted at `0^(@)C` and then is heated to `100^(@)C`. What is the difference in entropies of the steam and ice? The heats of vaporisation and fusion are `540 cal g^(-1) and 80 cal g^(-1)` respectively. Use the average heat capacity of liquid water as 1cal `g^(-1) degree^(-1)`

A

`18((80)/(373)+(540)/(273)+In (373)/(273))`

B

`18((80)/(373)+(540)/(373)+In (373)/(273))`

C

`((80)/(273)+(540)/(373)+In (373)/(373))`

D

`((80)/(273)+(540)/(373)+100)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • SALT ANALYSIS

    GRB PUBLICATION|Exercise Subjective Type|69 Videos

Similar Questions

Explore conceptually related problems

A mole of steam is condensed at 100^(@) C, the water is cooled to 0^(@) C and frozen to i.e . What is the difference in entropies of the stem and ice? The heat of vaporization and fusion are 540 cal" "gm^(-1) and 80 cal" "gm ^(-1) respectively . Use the average heat capacity of liquild water as 1 cal" "gm^(-1) degree^(-1) .

How much heat is required to change 10g ice at 10^(@)C to steam at 100^(@)C ? Latent heat of fusion and vaporisation for H_(2)O are 80 cl g^(-1) and 540 cal g^(-1) , respectively. Specific heat of water is 1cal g^(-1) .

Steam at 100°C is passed into 100 g of ice at 0°C . Finally when 80g ice melts the mass of water present will be [Latent heat of fusion and vaporization are 80 cal g^(-1) and 540 cal g^(-1) respectively, specific heat of water = 1 cal g^(-1) °C^(-1) ]

How much heat is required to change 5 gram ice (0^@C) to steam at 100^@C ? Latent heat of fusion and vaporization for water are 80 cal/g and 540 cal/g respectively . Specific heat of water is 1 cal/ g/k.

Calculate the amount of heat required in calorie to change 1 g of ice at -10^(@)C to steam at 120^(@)C . The entire process is carried out at atmospheric pressure. Specific heat of ice and water are 0.5 cal g^(-1) .^(@)C^(-1) and 1.0 cal g^(-1) .^(@)C^(-1) respectively. Latent heat of fusion of ice and vaporization of water are 80 cal g^(-1) and 540 cal g^(-1) respectively. Assume steam to be an ideal gas with its molecules having 6 degrees of freedom. Gas constant R = 2 cal mol^(-1) K^(-1) .

What is the amount of heat required (in calories) to convert 10 g of ice at -10^(@)C into steam at 100^(@)C ? Given that latent heat of vaporization of water is "540 cal g"^(-1) , latent heat of fusion of ice is "80 cal g"^(-1) , the specific heat capacity of water and ice are "1 cal g"^(-1).^(@)C^(-1) and "0.5 cal g"^(-1).^(@)C^(-1) respectively.

The latent heat of vaporisation of water at 100 ^(@)C is 540 cal g^(-1) . Calculate the entropy increase when one mole of water at 100^(@)C is evaporated

Latent heat of vaporisation of water is 540cal g^(-1) at 100^(@)C calculate the entropy change when 1000 g water is converted to steam at 100^(@)C

GRB PUBLICATION-THERMODYNAMICS-All Questions
  1. For the given reaction at 1 atm, H(2)(g)+S(s) toH(2)S(g), DeltaH(r)=...

    Text Solution

    |

  2. What are the signs of DeltaH(r)and DeltaS(r) "for the reaction" 2C(...

    Text Solution

    |

  3. One mole of ice is melted at 0^(@)C and then is heated to 100^(@)C. Wh...

    Text Solution

    |

  4. which of the following statement(s) is//are incorrect? Statement (a...

    Text Solution

    |

  5. The entropy change can be calculated by using the expression DeltaS-(q...

    Text Solution

    |

  6. Which of the following is not correct?

    Text Solution

    |

  7. Select the option which is correct regarding true//false of the given ...

    Text Solution

    |

  8. 4g of he gas is expanded isothermally at 300K from litre to 10L. The ...

    Text Solution

    |

  9. Which of the following thermodynamic condition at constant pressure a...

    Text Solution

    |

  10. For the given reaction: H(2)(g)+Cl(2)(g) to2H^(+)(aq)+2Cl^(-)(aq) ...

    Text Solution

    |

  11. Which of the following options will be correct for the stage of half c...

    Text Solution

    |

  12. For which of the following process would DeltaS be expected to be mos...

    Text Solution

    |

  13. The normal boiling point of a liquid A is 300K. Which of the following...

    Text Solution

    |

  14. For the transformation, H(2)O(l,1 atm) "to H(2)O (g,1atm), DeltaH(vap...

    Text Solution

    |

  15. For which process will DeltaH and DeltaG^(@) be expected to be most si...

    Text Solution

    |

  16. For a particular reaction, DeltaH=-38.3 kJ and DeltaS^(@)=-113JxxK^(-1...

    Text Solution

    |

  17. What is DeltaG^(@) for the reaction? (1)/(2)N(2)(g)+(3)/(2)H(2)(g) ...

    Text Solution

    |

  18. The DeltaH^(@) and DeltaS^(@) value for a particular reaction are -60....

    Text Solution

    |

  19. What are the signs of DeltaH^(@) and DeltaS^(@) for a reaction that is...

    Text Solution

    |

  20. For a process that is both endothermic and spontaneous:

    Text Solution

    |