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[" In a fuel cell methanol is used as fu...

[" In a fuel cell methanol is used as fuel and oxygen gas is used as an "],[CH_(3)OH(ell)+(3)/(2)O_(2)(g)longrightarrow CO_(2)(g)+2H_(2)O(ell)],[" At "298K" ,standard Gibb's energies of formation for "CH_(3)OH(ell),H_(2)C],[" and "-394.4kJ" mol-respectively.If standard enthalpy of combu "],[" efficiency of the fuel cell will be "],[[" (1) "87%," (2) "90%," (3) "97%]]

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In a fuel cell methanol is used as fuel and oxygen is used as an oxidiser. The reaction is : CH_(3)OH(l)+(3)/(2)O_(2)(g)rarr CO_(2)(g)+2H_(2)O(l) At 298 K, standard Gibb's energies of formation for CH_(3)OH(l), H_(2)O(l) and CO_(2)(g) are -166.2, - 237.2 and -394.4 kJ/mol respectively. If standard enthalpy of combustion of methanol is - 726 kJ/mol, effeciency of the fuel cell will be :

In a fuel cell methanol is used as fuel and oxygen gas is used as an oxidizer. The reaction is : CH_(3)OH_((l))+(3)/(2)O_(2(g))rarr CO_((g))+2H_(2)O_((l)) At 298K standard Gibb's energies of formation for CH_(3)OH(l), H_(2)O(l) and CO_(2)(g) are -166.2,-237.2 and -394.4kJ mol^(-1) respectively. If standard enthalpy of combustion of methanol is -726kJ mol^(-1) , efficiency of the fuel cell will be :

In a fuel cell methanol is used as fuel and oxygen gas is used as an oxidizer. The reaction is : CH_(3)OH_((l))+(3)/(2)O_(2(g))rarr CO_2((g))+2H_(2)O_((l)) At 298K standard Gibb's energies of formation for CH_(3)OH(l), H_(2)O(l) and CO_(2)(g) are -166.2,-237.2 and -394.4kJ mol^(-1) respectively. If standard enthalpy of combustion of methanol is -726kJ mol^(-1) , efficiency of the fuel cell will be :

In a fuel cell methanol is used as fuel and oxygen gas is used as an oxidizer. The reaction is : CH_(3)OH_((l))+(3)/(2)O_(2(g))rarr CO_2((g))+2H_(2)O_((l)) At 298K standard Gibb's energies of formation for CH_(3)OH(l), H_(2)O(l) and CO_(2)(g) are -166.2,-237.2 and -394.4kJ mol^(-1) respectively. If standard enthalpy of combustion of methanol is -726kJ mol^(-1) , efficiency of the fuel cell will be :

In a fuel cell methanol is used as fuel and oxygen gas is used as an oxidizer. The reaction is : CH_(3)OH_((l))+(3)/(2)O_(2(g))rarr CO_2((g))+2H_(2)O_((l)) At 298K standard Gibb's energies of formation for CH_(3)OH(l), H_(2)O(l) and CO_(2)(g) are -166.2,-237.2 and -394.4kJ mol^(-1) respectively. If standard enthalpy of combustion of methanol is -726kJ mol^(-1) , efficiency of the fuel cell will be :

In a fuel cell methanol is used as fuel and oxygen gas is used as an oxidizer. The reaction is : CH_(3)OH_((l))+(3)/(2)O_(2(g))rarr CO_2((g))+2H_(2)O_((l)) At 298K standard Gibb's energies of formation for CH_(3)OH(l), H_(2)O(l) and CO_(2)(g) are -166.2,-237.2 and -394.4kJ mol^(-1) respectively. If standard enthalpy of combustion of methanol is -726kJ mol^(-1) , efficiency of the fuel cell will be :