Home
Class 11
CHEMISTRY
CH(4)(g) +2O(2)(g) rarr CO(2)(g) +2H(2)O...

`CH_(4)(g) +2O_(2)(g) rarr CO_(2)(g) +2H_(2)O(l), DeltaH =- 890 kJ`
what is the calorific or fuel value of `1kg` of `CH_(4)`?

A

40 ml

B

20 ml

C

60ml

D

30ml

Text Solution

Verified by Experts

The correct Answer is:
B
`CH_(4) +2O_(2) rarr CO_(2) +2H_(2)O`
Promotional Banner

Topper's Solved these Questions

  • SOLID STATE

    NARAYNA|Exercise LEVEL-V|122 Videos

  • SOME BASIC CONCEPTS OF CHEMISTRY

    NARAYNA|Exercise EXERCISE - IV|43 Videos

Similar Questions

Explore conceptually related problems

C_(4)H_(10)+(13)/(2)O_(2)(g)rarr4CO_(2)(g)+5H_(2)O(l), DeltaH =- 2878 kJ DeltaH is the heat of……….of butane gas.

H_(2)O(g) rarr H_(2)O(l), DeltaH =- 40.7 kJ DeltaH is the heat of……………….of water.

H_(2)O(l) rarr H_(2)O(g), DeltaH = +40.7 kJ DeltaH is the heat of ……………..of water.

The heat evolved in the combustion of methane is given by the following equation : CH_(4)(g)+2O_(2)(g)to CO_(2)(g)+2H_(2)O(l) , Delta H = -890.3 kJ How many grams of methane would be required to produce 445.15 kJ of heat of combustion ?

Given that: i. C(s) + O_(2)(g) rarr CO_(2)(g) , DeltaH =- 94.05 kcal ii. H_(2)(g) +(1)/(2) O_(2)(g) rarr H_(2)O(l), DeltaH =- 68.32 kcal iii. C_(2)H_(2)(g) +(5)/(2) O_(2)(g) rarr 2CO_(2)(g) +H_(2)O(l),DeltaH =- 310.62 kcal The heat of formation fo acetylene is

For the reaction C_(2)H_(4)(g)+3O_(2)(g) rarr 2CO_(2) (g) +2H_(2)O(l) , Delta E=-1415 kJ . The DeltaH at 27^(@)C is

NARAYNA-SOME BASIC CONCEPTS IN CHEMISTRY STOICHIOMETRY (PART-I)-All Questions
  1. The oxide of a metal contains 40% of oxygen. The valency of metal is 2...

    Text Solution

    |

  2. A solution containing 0.2 mole of ferric chloride is allowed to react ...

    Text Solution

    |

  3. CH(4)(g) +2O(2)(g) rarr CO(2)(g) +2H(2)O(l), DeltaH =- 890 kJ what i...

    Text Solution

    |

  4. What weight of hydrogen at STP couble be contained in a vessel that ho...

    Text Solution

    |

  5. 100 mL of x M KMnO(4) is requried oxidise 200 mL of 0.2 M ferric o...

    Text Solution

    |

  6. 19g og a mixture containing NaHCO(3) and Na(2)CO(3) on complete heatin...

    Text Solution

    |

  7. The number of molecules of CO(2) liberated by the complete combustion ...

    Text Solution

    |

  8. An aqueous solution of 6.3 g oxalic acid dihydrate is made up to 250 m...

    Text Solution

    |

  9. The normality of orthophosphoric acid having purity of 70% by weight...

    Text Solution

    |

  10. Mole fraction of C(3)H(5)(OH)(3) in a solution of 36g of water and 46g...

    Text Solution

    |

  11. The volume of water to be added to 400 ml of N//8 HCI to make it exact...

    Text Solution

    |

  12. When 100 ml of 10M solution of H(2)SO(4) and 100ml of 1M solution of N...

    Text Solution

    |

  13. In order to prepare one litre normal solution of KMnO(4), how many gra...

    Text Solution

    |

  14. 12.5 mL of a solution containing 6.0 g of a dibasic acid in 1 L was fo...

    Text Solution

    |

  15. 50 gm of sample of sodium hydroxide required for complete neutralisati...

    Text Solution

    |

  16. 40 mg of pure sodium hydroxide is dissolved in 10 L of distilled water...

    Text Solution

    |

  17. 100 ml of 0.3 M HCl is mixed with 200 ml of 0.3 M H(2)SO(4). Calculate...

    Text Solution

    |

  18. The density of 3M solution of NaCl is 1.25 g mL^(-1). The molality of ...

    Text Solution

    |

  19. The oxidation state of iron in the coordination sphere of prussain blu...

    Text Solution

    |

  20. Oxidation number of carbon in SCN ion is

    Text Solution

    |