Home
Class 11
CHEMISTRY
The molar heat capacities at constant pr...

The molar heat capacities at constant pressure (assumed constant with respect to temperature ) of A,B and C are in ratio 3:1.5:2.0. the enthyalpy change for the exothermic reaction `A+ 2B to 3c ` at 300k and 310 K is `Delta H_(300)` and `DeltaH_(310)` respectively then:

A

`DeltaH_(300)gtDeltaH_(310)`

B

`DeltaH_(300)ltDeltaH_(310)`

C

`DeltaH_(300)=DeltaH_(310)`

D

`If T_(2)gtT_(1)then DeltaH_(310)gt DeltaH_(300)and if T_(2)lt T_(1) " then"DeltaH_(300)ltDeltaH_(300)`

Text Solution

Verified by Experts

The correct Answer is:
c
Promotional Banner

Topper's Solved these Questions

  • SALT ANALYSIS

    GRB PUBLICATION|Exercise Subjective Type|69 Videos

Similar Questions

Explore conceptually related problems

The molar heat capacities at constant pressure (assumed constant with respect to temperature) at A, B and C are in ratio of 3:1.5:2.0 The enthalpy change for the exothermic reaction A + 2B rarr 3C at 300 K and 310 K is DeltaH_(300) "and" DeltaH_(310) respectively then:

The molar heat capacities at constant pressure (assumed constant with respect to temperature) of A, B and C are in ratio of 1.5 : 3.0 : 2.5 . If enthalpy change for the exothermic reaction A+2B rarr 3C at 300 K and 310 K is DeltaH_(1) and DeltaH_(2) respectively then

The molar heat capacities at constant pressure (assume constant with respect to temperature) of A, B and C are in ratio of 1.5 : 3.0 : 2.0 . If enthalpy change for the exotherimic reaction A + 2B rarr 3C at 300 K is -10 kJ//"mol" & C_(p.m) (B) is 300 J/mol then enthalpy change at 310 K is:

Molar heat capacities at constant pressure for A, B and C are 3, 1.5 and 2 J/K mol. The enthalpy of reaction and entropy of reaction, A + B rarr 3C are 20 kJ/mol and 20 J/K mol at 300 K. Calculate DeltaG (in kJ / mol) for the reaction, (1)/(2)A+Brarr(3)/(2)C

C_(V)andC_(P) denote the molar specific heat capacities of a gas at constant volume and constant pressure, respectively. Then

The rate of a certain reaction increases by 2.3 times when the temperature is raised form 300K to 310 K . If k is the rate constant at 300K, then the rate constant at 310 K will be equal to

The rate of a reaction increases to 2.3 times when the temperature is raised form 300K to 310 K . If Q is the rate constant at 300K, then the rate constant at 310 K will be equal to

The rate constant of a first order reaction is 10^(-3) m i n^(-1) at 300K . The temperature coefficient of the reaction is 2. What is the rate constant of the reaction at 350K approximately ?

GRB PUBLICATION-THERMODYNAMICS-All Questions
  1. The enthalpy of neutraliztion of weak base A OH and a strong base BOH ...

    Text Solution

    |

  2. Calculate Delta(r)G^(@) for (NH(4)Cl,s) at 310K. Given :Delta(r)H^(@...

    Text Solution

    |

  3. The molar heat capacities at constant pressure (assumed constant with ...

    Text Solution

    |

  4. Determine Delta U^(@) at 300K for the following reaction using the li...

    Text Solution

    |

  5. When 1.0 g of oxalic acid (H(2)C(2)O(4)) is burnt in a bomb calorimete...

    Text Solution

    |

  6. The enthalpy of neutralization of a Weak monoprotic acid (HA) in 1 M s...

    Text Solution

    |

  7. The enthalpy of combustion of propance (C(3)H(8)) gas in temes of give...

    Text Solution

    |

  8. For the following reaction, {:(C("diamond")+O(2)to CO(2)(g),, DeltaH...

    Text Solution

    |

  9. Ethanol can undergo decompostion to form two sets of products. If th...

    Text Solution

    |

  10. (p) Cis-2- butene to trans -2-butene, DeltaH(1) (Q)Cis-2-buteneto 1-...

    Text Solution

    |

  11. Calculate the amount of heat released at constant pressure when 10 mol...

    Text Solution

    |

  12. The reaction CH(4)(g)+Cl(2)(g)to CH(3)Cl(g)+HCl(g) has DeltaH=-25kcal ...

    Text Solution

    |

  13. Calculate the ethanly change for the given reaction from data provided...

    Text Solution

    |

  14. Lattice energy of Na(2)CO(3) is -205 KJ/mole and hydrogen energy of Na...

    Text Solution

    |

  15. If x(1) , x(2) and x(3) are enthalpies of H-H , O=O and O-H bonds resp...

    Text Solution

    |

  16. NH(3)(g)+3Cl(2)toNCl(3)(g)+3HCl(g),DeltaH(1) N(2)(g)+3H(2)(g)to2NH(3...

    Text Solution

    |

  17. For the combustion of 1 mole of liquid benzene at 27^(@)C the heat of ...

    Text Solution

    |

  18. Consider the equation: 4PH(3)(g)+80(2)(g)toP(4)O(10)(s)+6H(2)O(g), ...

    Text Solution

    |

  19. Molar enthalpy of combustion of C(2)H(2)(g),C("graphite")andH(2)(g) ar...

    Text Solution

    |

  20. If CH(3)COOH+OH^(-)toCH(3)COO^(-)+H(2)O+q(1)and H^(+)+OH^(-)to H(2)O+q...

    Text Solution

    |