Home
Class 12
CHEMISTRY
The exchange of heat energy during chemi...

The exchange of heat energy during chemical reaction at constant temperature and pressure occurs in from of:

A

Free energy

B

Internal energy

C

Enthalpy

D

Bond energy

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • SURFACE CHEMISTRY

    MBD PUBLICATION|Exercise Question Bank|390 Videos

  • TRANSITION METALS (d-BLOCK ELEMENTS)

    MBD PUBLICATION|Exercise QUESTION BANK|1320 Videos

Similar Questions

Explore conceptually related problems

The heat change in a chemical reaction at constant pressure is:

Molar heat capacity of a gas at constant temperature and pressure is:

When a reaction at constant temperature and pressure is at equilibrium the value of /_\G _____

Which does not change during compression of a gas at constant temperature ?

What is the value of triangleG , when a reaction takes place at constant temperature and pressure?

Rate of a chemical reaction can be kept constant by:

The kinetic energy of molecules at constant temperature in gaseous state is :

The threshold energy of a chemical reaction depends upon:

MBD PUBLICATION-THERMODYNAMICS-Question Bank
  1. For the reaction, 3O2rarr2O3, triangleH=+ve. We can say that:

    Text Solution

    |

  2. Which of the following is incorrect about the reaction,

    Text Solution

    |

  3. The exchange of heat energy during chemical reaction at constant tempe...

    Text Solution

    |

  4. Molar heat capacity of water in equilibrium with the ice at constant p...

    Text Solution

    |

  5. Heat energy change during the chemical reaction, CO+1//2O2rarrCO2 is k...

    Text Solution

    |

  6. When an exothermic is reversed, it:

    Text Solution

    |

  7. Heat of formation of H2O(g) at 1 atm and 25^@C is -243 kJ. triangleE f...

    Text Solution

    |

  8. The H-H bond energy is 430 kJ mol^-1 and Cl-Cl bond energy is 240 kJmo...

    Text Solution

    |

  9. S+3//2O2rarrSO3 + 2x kcal SO2+ 1/2O2rarrSO3 + y kcal: The heat of ...

    Text Solution

    |

  10. Given , NH3(g)+3Cl2(g)⇌NCl3(g)+3HCl(g), -triangleH1 N2(g)+3H2(g)⇌2N...

    Text Solution

    |

  11. AB, A2 and B2 are diatomic molecules. If the bond enthalpies A2 AB and...

    Text Solution

    |

  12. H2(g)+Cl2(g)→2HCl(g), triangleH298K=-22.06 kcals, For this reaction, △...

    Text Solution

    |

  13. For the reaction, H2(g)+1/2O2(g)→H2O(l), <triangleCp=7.63 cal/deg, tr...

    Text Solution

    |

  14. According to the equation, C6H6(l)+15/2O2(g)rarr3H2O(l)+6C2(g) triangl...

    Text Solution

    |

  15. Given that standard heat enthalpy of CH4, C2 H4 and C3H8 are -17.9, 12...

    Text Solution

    |

  16. Given, C+O2rarrCO2+94.2 kcal. (i)H2+1/2O2rarrH2O+68.3 kcal (ii)CH...

    Text Solution

    |

  17. When 1mole of carbon is converted into 1mole of CO2 the heat liberated...

    Text Solution

    |

  18. Calorific value of carbohydrates is approximately:

    Text Solution

    |

  19. If H^+ +OHrarrH2O+13.7 kcal then the heat of neutralisation for compl...

    Text Solution

    |

  20. If H2(g)=2H(g), triangleH=104 cal, then heat of atomisation of hydroge...

    Text Solution

    |