Home
Class 12
CHEMISTRY
A gaseous reaction was carried out first...

A gaseous reaction was carried out first keeping the volume constant and then keeping the pressure constant. In the second experiment, there was an increase in volume. The heats of reaction were different because

A

In the first case energy was spent to keep the volume constant

B

In the second case energy was spent to expand the gases

C

Specific heats of compressed gases is more

D

Specific heats of rarefied gases is more

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS & THERMOCHEMISTRY

    VMC MODULES ENGLISH|Exercise Impeccable|48 Videos

  • THERMODYNAMICS & THERMOCHEMISTRY

    VMC MODULES ENGLISH|Exercise Enable|49 Videos

  • THERMODYNAMICS

    VMC MODULES ENGLISH|Exercise JEE ADVANCED (ARCHIVE)|44 Videos

Similar Questions

Explore conceptually related problems

What is the effect on the pressure of a gas if its temperature is increased at constant volume ?

Can the temperature of a gas increased keeping its pressure and volume constant ?

When a gas is heated in a vessel of constant volume , the pressure increases because

If the radius of cross-section of the conductor is increased by 0.1 % keeping volume constant, then percentage change in the resistance of the conductor is

Calculate the % increase in temperature of gas when it is heated at constant pressure to occupy 20% increase in volume.

In the reaction A + B rarr Products, keeping [A] constant if [B] is doubled , the rate becomes double and keeping [B] constant if [A] is doubled , the rate becomes four times. The order of reaction is :

The effect of adding krypton (Kr) gas on position of equilibrium, keeping the volume of the system constant is

If pH and temperature are kept constant, does the rate of reaction keep increasing with increase in substrate concentration?

The equilibrium reaction that is not influenced by volume change at constant temperature is :

One mole of an ideal monoatomic gas is taken at a temperature of 300 K . Its volume is doubled keeping its pressure constant. Find the change in internal energy.

VMC MODULES ENGLISH-THERMODYNAMICS & THERMOCHEMISTRY-Efficient
  1. A mol of Al(3)C(4)(s) reacts with water in a closed vessel at 27^(@)C ...

    Text Solution

    |

  2. triangleG^@ and triangleH^(@) for a reaction at 300K are -66.9 kJ/mole...

    Text Solution

    |

  3. A gaseous reaction was carried out first keeping the volume constant a...

    Text Solution

    |

  4. The standard entropies of CO(2(g)), C((s)), and O(2(g)) are 213.5, 5.7...

    Text Solution

    |

  5. Calcualte DeltaH(f)^(@) for chloride ion from the following data: 1/...

    Text Solution

    |

  6. Mg(s) + 2HCl(aq) rarr Mg Cl(2) (aq) + H(2)(g) , Delta(r )H^(@) = -467 ...

    Text Solution

    |

  7. Given the experimental information below: 2Sr(s) + O(2)(g) rarr 2SrO...

    Text Solution

    |

  8. What is the heat of reaction for the following reaction? CH(4)(g)+NH...

    Text Solution

    |

  9. 25.0 mL of 1.0M HCl is combined with 35.0 mL of 0.5 M NaOH. The initia...

    Text Solution

    |

  10. The reaction 3O(2)(g) rarr 2O(3)(g), Delta(r )H > 0. What can be conc...

    Text Solution

    |

  11. When 5.0 mL of a 1.0 M HCl solution is mixed with 5.0 mL of a 0.1 M Na...

    Text Solution

    |

  12. Which of the following reactions doesn’t represent the standard state ...

    Text Solution

    |

  13. What can be accurately predicted for the isomerization reaction betwee...

    Text Solution

    |

  14. At 5 xx 10^(5) bar pressure density of diamond and graphite are 3 g//c...

    Text Solution

    |

  15. The enthalpies of neutralization of a weak base AOH and a strong base ...

    Text Solution

    |

  16. What is the bond enthalpy of Xe-F bond ? XeF(4)(g)rarrXe^(+)(g)+F^(-...

    Text Solution

    |

  17. Combustion of sucuose is used by aeroic organisms for providing energy...

    Text Solution

    |

  18. The freezing of any liquid to a solid is expected to have:

    Text Solution

    |

  19. The enthalpy of neutralization is about 57.3 kJ for the pair

    Text Solution

    |

  20. Consider the reaction below at 298K, C("graphite")+2H(2)(g) to CH(4)...

    Text Solution

    |