Home
Class 11
CHEMISTRY
Determine Delta U^(@) at 300K for the f...

Determine `Delta U^(@) ` at 300K for the following reaction using the listed enthalpies of reaction :
`4CO(g)+8H_(2)(g)to3CH_(4)(g)+CO_(2)(g)+2H_(2)O(l)`
`C("graphite")+(1)/(2)O_(2)(g)to CO(g), DeltaH_(1)^(@)=-110.5KJ`
` CO(g)(1)/(2)O_(2)(g)toCO_(2)(g), DeltaH_(2)^(@)=-282.9KJ`
`H_(2)(g)+(1)/(2)O_(2)(g)to H_(2)O(l), DeltaH_(3)^(@)=-285.8KJ`
`C("graphite")+2H_(2)(g)to CH_(4)(g), DeltaH_(4)^(@)=-74.8KJ`

A

`-653.5KJ`

B

`-686.2KJ`

C

`-747.4KJ`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
d
Promotional Banner

Topper's Solved these Questions

  • SALT ANALYSIS

    GRB PUBLICATION|Exercise Subjective Type|69 Videos

Similar Questions

Explore conceptually related problems

The enthalpy of the reaction H_(2)(g)+(1)/(2)O_(2)(g)toH_(2)O(g) is DeltaH_(1) and that of H_(2)(g)+(1)/(2)O_(2)(g)toH_(2)O(l) is DeltaH_(2) . Then

From the following data of heats of combustion, find the heat of formation of CH_(3)OH(l) CH_(3)OH(l)+(3)/(2)O_(2)(g)toCO_(2)(g)+2H_(2)O(l),DeltaH=-726kJ C(s)+O_(2)(g)toCO_(2)(g),DeltaH=-394kJ H_(2)(g)+(1)/(2)O_(2)(g)toH_(2)O(l),DeltaH=-286kJ

Calculate in kJ for the following reaction : C(g) + O_(2)(g) rarr CO_(2)(g) Given that, H_(2)O(g) + C(g) + H_(2)(g) , Delta H = +131 kJ CO(g) + 1/2 O_(2)(g) rarr CO_(2)(g), " " Delta H = -242 kJ H_(2)(g) + 1/2 O_(2)(g) rarr H_(2)O(g), " "DeltaH = -242 kJ

Given the following equations and DeltaH^(@) values, determine the enthalpy of reaction at 298 K for the reaction : C_(2)H_(4)(g)+6F_(2)(g) to 2HF_(4)(g)+4HF(g) H_(2)(g)+F_(2)(g)to2HF(g)+2HF(g)," "DeltaH_(1)^(@)=-537" kJ" C(s)+2F_(2)(g)toCF_(4)(g)," "DeltaH_(2)^(@)=-680" kJ" 2C(s)+2H_(2)(g)toC_(2)H_(4)(g)," "DeltaH_(3)^(@)=52" kJ"

Calculate the standard enthalpy of the reaction, 2C_(("graphite")) + 3 H_(2(g)) to C_(2) H_(6(g)) Delta H^(@) = ? from the following Delta H^(@) values: (a) C_(2) H_(6(g)) + (7)/(2) O_(2(g)) to 2CO_(2(g)) + 3H_(2) O_((1)) Delta H^(@) = - 1560 kJ (b) H_(2(g)) + (1)/(2) O_(2(g)) to H_(2) O_((1)) Delta H^(@) = - 285.8 kJ (c ) C_(("graphite")) + O_(2(g)) to CO_(2(g)) Delta H^(@) = - 393.5 kJ

GRB PUBLICATION-THERMODYNAMICS-All Questions
  1. Calculate Delta(r)G^(@) for (NH(4)Cl,s) at 310K. Given :Delta(r)H^(@...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  20. The enthalpy of solution , sodium and sodium oxide in large volume of ...

    Text Solution

    |