Home
Class 12
CHEMISTRY
The Delta(f)H^(Theta) for CO(2)(g), CO(g...

The `Delta_(f)H^(Theta)` for `CO_(2)(g), CO(g)`, and `H_(2)O(g)` are `-393.5, -110.5` and `-214.8 kJ mol^(-1)`, respectively. The standard enthalpy change (in `kJ mol^(-1))` for the reaction
`CO_(2)(g) +H_(2)(g) rarr CO(g) +H_(2)O(g)` is

A

`524.1`

B

`41.2`

C

`-262.5`

D

`-41.2`

Text Solution

Verified by Experts

The correct Answer is:
B
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • CHEMICAL THERMODYNAMICS

    VMC MODULES ENGLISH|Exercise IN - CHAPTER EXERCISE - L|10 Videos
  • CHEMICAL THERMODYNAMICS

    VMC MODULES ENGLISH|Exercise IN - CHAPTER EXERCISE - J|10 Videos
  • CHEMICAL KINETICS

    VMC MODULES ENGLISH|Exercise JEE Advanced (Archive)|52 Videos
  • CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

    VMC MODULES ENGLISH|Exercise JEE ADVANCE (ARCHIVE)|30 Videos

Similar Questions

Explore conceptually related problems

The DeltaH_(f)^(@) for CO_(2)(g) , CO(g) and H_(2)O(g) are -395.5,-110.5 and -241.8" kJ" mol^(-1) respectively. The standard enthalpy change in (in kJ) for the reaction CO_(2)(g)+H_(2)(g)toCO(g)+H_(2)O(g) is

Delta H_(1)^(@) for CO_(2)(g) , CO(g) and H_(2)O(g) are -393.5,-110.5 and -241.8 kJ mol^(-1) respectively. Standard enthalpy change for the reaction CO_(2)(g)+H_(2)(g) rarr CO(g) + H_(2)O(g) is

The molar enthalpies of combustion of C_(2)H_(2)(g), C("graphite") and H_(2)(g) are -1300,-394 , and -286 kJ mol^(-1) , respectively. The standard enthalpy of formation of C_(2)H_(2)(g) is

Standard heat of formation of CH_(4)(g), CO_(2)(g) and H_(2)O(l) are -75, -393.5, -286 kJ respectively. Find out the change in enthalpy for the reaction. CH_(4)(g)+2O_(2)(g)rarr CO_(2)(g)+2H_(2)O(l)

The standard enthalpies of formation at 298K for C Cl(g), H_(2)O(g), CO_(2)(g) and HCl(g) are -106.7, -241.8, -393.7 , and -92.5kJ mol^(-1) , respectively. Calculate DeltaH^(Theta)underset(298K) for the reaction C Cl_(4)(g) +2H_(2)O(g) rarr CO_(2)(g) +4HCI(g)

The standared enthalpies of formation at 298K for C C1(g), H_(2)O(g), CO_(2)(g) and HC1(g) are -106.7, -241.8, -393.7 , and -92.5kJ mol^(-1) , respectively. Calculate DeltaH^(Theta)underset(298K) for the reaction C C1_(4)(g) +2H_(2)O(g) rarr CO_(2)(g) +4HCI_(g)

The standard enthalpics of formation of CO,NO_(2) and CO_(2) are 110.5 KJ mol^(-1), -33.2 KJ mol^(-1) and -393.5 KJ mol^(1) respectively. The standard enthalpy of the reaction 4CO(g)+2NO_(2)(g)to4CO_(2)(g)+N_(2(g)) is

The standard heat of formation of at 298 K for C Cl_(4)(g), H_(2)O(g), CO_(2)(g) and HCI(g) are -25.5, -57.8, -94.1 and -22.1 kcal mol^(-1) respectively. Calculate Delta_(r)H^(Theta) for the reaction C Cl_(4)(g)+2H_(2)O(g) rarr CO_(2)(g)+4HCl(g) Hint : Delta_(r)H^(Theta) = sum Delta_(f)H_("Products")^(Theta)- sum Delta_(f)H_("Reactants")^(Theta)

Using ._(f)G^(Theta)(Hi) = 1.3 kJ mol^(-1) , calculate the standard free enegry change for the following reaction: H_(2)(g) +I_(2)(g) rarr 2HI(g)

Find the value of Delta_(f) H^(@) for the reaction N_(2) O_(4) (g) + 3 CO(g) rarr N_(2) O (g) + 3 CO_(2) (g) Standard enthalpies of formation of CO(g), CO_(2) (g), N_(2) O (g) , and N_(2) O_(4) (g) are - 110, - 393, 81 , and 9.7 kJ mol^(-1) , respectively. Strategy : The standard enthalpy change of a reaction is equal to the sum of the standard molar enthalpie of formation of the products each multiplied by its stiochiometric coefficient in the balanced equation, minus the corresponding sum of the standard molar enthalpies of formation of the reactants