Home
Class 12
CHEMISTRY
Combustion fo glucose takes place accord...

Combustion fo glucose takes place according to the equation,`C_(6)H_(12)O_(6)+6O_(2)rarr6CO_(2)+6H_(2)O,DeltaH=-72kcal` How much energy will be required for the production of `1.6`g of glucose (Molecular mass of glucose=180g)

A

0.064 kcal

B

0.64 kcal

C

6.4 kcal

D

64 kcal

Text Solution

Verified by Experts

The correct Answer is:
B

`DeltaH` per 1.6 g = `(72xx1.6)/(180)=0.64` kJ
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS AND THERMOCHEMISTRY

    ERRORLESS |Exercise ORDINARY THINKING (Objective Questions) Bond energy|15 Videos
  • THERMODYNAMICS AND THERMOCHEMISTRY

    ERRORLESS |Exercise ORDINARY THINKING (Objective Questions) Free energy and Work function|57 Videos
  • THERMODYNAMICS AND THERMOCHEMISTRY

    ERRORLESS |Exercise ORDINARY THINKING (Objective Questions) First law of thermodynamics and Hess law|100 Videos
  • SOME BASIC CONCEPTS OF CHEMISTRY

    ERRORLESS |Exercise JEE Section (Matrix Match type questions)|3 Videos

Similar Questions

Explore conceptually related problems

Combustion of glucose takes place according to the equation C_(6)H_(12)O_(6)+6O_(2) rarr 6CO_(2)+6H_(2)O, DeltaH=-"72 kcal/mol" . How much energy will be released by the combustion of 1.6 g of glucose (Molecular mass of glucose = 180 g/mol)?

Find out the calorific value of Glucose C_(6)H_(12)O_(6)+6O_(2)rarr 6CO_(2)+6H_(2)O , Delta H=-2900 kJ/mole

The heat envoled in the combustion of glucose is given by the equation C_(6)H_(12)O_(6(s))+6O_(2(g))rarr6CO_(2(g))+6H_(2)O_((g)) DeltaH=-680K.cal, The weight of CO_(2(g)) produced when 170 Kcal of heat is envolved in the combusation of glucose is

For the reaction C_(6)H_(12)(l)+9O_(2)(g)to6H_(2)O(l)+6CO_(2)(g) , DeltaH=-936.9kcal Which of the following is true ?

The value of x in balanced equation is C_(6)H_(12)O_(6(aq))+6O_(2(g))to"x"CO_(2(g))+6H_(2)O_((l))+"energy"

Consider the reaction, C_(6)H_(12)O_(6)(g)+6O_(2)(g) to 6CO_(2)(g) +6H_(2)O(l) , which of the following expressions is /are correct?

ERRORLESS -THERMODYNAMICS AND THERMOCHEMISTRY -ORDINARY THINKING (Objective Questions) Heat of reaction
  1. Which of the following reaction is endothermic?

    Text Solution

    |

  2. Ozone is prepared by passing silent electric discharge through oxygen....

    Text Solution

    |

  3. Combustion fo glucose takes place according to the equation,C(6)H(12)O...

    Text Solution

    |

  4. The enthalpy of combustion of C(6)H(6)(l) is -3250KJ . When 039g of be...

    Text Solution

    |

  5. When 5 g of sulphur is burnt to SO(2), 46 kJ of heat is liberated. Wha...

    Text Solution

    |

  6. If a mole of hydrogen molecule is heated to a high temperature then wh...

    Text Solution

    |

  7. One mole of magnesium in the vapor state absored 1200 kJ mol^(-1) of e...

    Text Solution

    |

  8. Four grams of graphite is burnt in a bomb calorimeter of heat capacity...

    Text Solution

    |

  9. The standard enthalpies of combustion of C(6)H(6(l)),C(("graphite"))a...

    Text Solution

    |

  10. The compound with negative value of heat of formation are called :

    Text Solution

    |

  11. Evaporation of water is

    Text Solution

    |

  12. If S+O(2)rarrSO(2),(DeltaH=-298.2) SO(2)+(1)/(2)O(2)rarrSO(3),(Del...

    Text Solution

    |

  13. For the allotropic change represented by equation C(diamond) rarr C(gr...

    Text Solution

    |

  14. The enthalpy change DeltaH for the neutralisation fo 1M HCI by caustic...

    Text Solution

    |

  15. A reaction that takes place with the absorption of energy is

    Text Solution

    |

  16. A solution of 500 ml of 0.2 M KOH and 500ml of 0.2 M HCl is mixed and ...

    Text Solution

    |

  17. In which of the following reaction does the heat change represent the ...

    Text Solution

    |

  18. The heat of formations of CO((g)) and CO(2(g)) are -26.4 kcal and -94....

    Text Solution

    |

  19. In the complete combustion of butanol C(4)H(9)OH(l), if Delta H is ent...

    Text Solution

    |

  20. The heat of combustion of CH(4)(g), C (graphite), H(2)(g) are 20kcal, ...

    Text Solution

    |