Home
Class 11
CHEMISTRY
A fuel cell develops an electrical poten...

A fuel cell develops an electrical potential from the combustion of butane at 1 bar and 298 K
`C_4H_(10)(g)+6.5O_2(g)to4CO_2(g)+5H_2O(l), /_\_rG^(@)=-2746kJ//mol`
what is `E^(@)` of a cell?

A

4.74V

B

0.547V

C

4.37V

D

1.09V

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    NARENDRA AWASTHI|Exercise Level 1 (Q.1 To Q.30)|1 Videos
  • ELECTROCHEMISTRY

    NARENDRA AWASTHI|Exercise Level 1 (Q.91 To Q.120)|1 Videos
  • DILUTE SOLUTION

    NARENDRA AWASTHI|Exercise Level 3 - Match The Column|1 Videos
  • GASEOUS STATE

    NARENDRA AWASTHI|Exercise Level 3 - Subjective Problems|1 Videos

Similar Questions

Explore conceptually related problems

Balance the following equation : CH_4(g) +O_2(g) rarr CO_2 (g)+H_2O(l)

The internal energy change (Delta U) for reaction CH_(4)(g) + (20_(2)(g) to CO_(2) (g) + 2H_(2) O(l) is -885.5 kj/mol at 298K. What is Delta H at 298 K?

Write the equilibrium constant expression for the following reactions. CH_(4)(g) + 2O_(2)(g) hArr CO_(2)(g) + 2H_(2)O(l)

Calculate the heat of formation of n butane from the following data: a. 2C_(4)H_(10)(g) +13O_(2)(g) rarr 8CO_(2)(g) +10H_(2)O(l), DeltaH = - 5757.2 kJ b. C(s) +O_(2) (g)rarrCO_(2)(g), DeltaH =- 405.4 kJ c. 2H_(2)(g) +O_(2)(g) rarr 2H_(2)O(l), DeltaH =- 572.4 kJ

Calculate the standard enthaply of formation of CH_(3) OH(l) from the following data CH_(3) OH (l) + (3)/(2) O_(2) (g) to CO_(2) (g) + 2H_(2)O (l) , Delta_(r) H^(@) = - 726 kj/mol C(g) + O_(2) (g) to CO_(2) (g), Delta_(c) H^(@) = - 393 kj/mol H_(2)(g) + (1)/(2) O_(2) (g) to H_(2) O(l) : Delta_(f) H^(@) = - 286 kj /mol

For the reaction : C_(3)H_(8)(g) + 5O_(2) (g) to 3 CO_(2) (g) + 4H_(2) O (l) at constant temperature Delta H - Delta U

Calculate the volue of O_(2) at 1 atm and 273 K required for the complete combustion of 2.64 L of acetylene (C_(2)H_(2)) at 1 atm and 273 K. 2C_(2)H_(2)"(g)"+5O_(2)"(g)"rarr4CO_(2)"(g)"+2H_(2)O(l)

Calculate enthalpy of the reaction : 4NH_3(g) +3O_2(g) rarr 2N_2(g)+ 6H_2O (I) at 298K, given /_\H_f for , NH_3 (g) , H_2O (I) are - 46 k J / mol and -286 k J per mol respectively.

What is the unit of K_(p) for the reaction ? CS_(2)(g)+4H_(4)(g)hArrCH_(4)(g)+2H_(2)S(g)

identify the type of reaction in the followng example 2H_2(g) + O_2(g) rarr 2H_2O(l)