Advertisements
Advertisements
प्रश्न
What is the effect of catalyst on: Gibbs energy (∆G)
What is the effect of adding a catalyst on Gibbs energy (ΔG) of a reaction?
उत्तर
There will be no effect of catalyst on Gibbs energy hence, it catalyses the spontaneous reactions but does not catalyse non-spontaneous reactions
संबंधित प्रश्न
What is the value of for the following reaction at 298 K -
6CO2+ 6H20(l) → C6H1206(s) + 602(g),
Given that: ΔG° = 2879 kj mol-1, AS = -210 JK-1 mol-1.
Write any ‘two’ advantages of calomel electrode.
What is the effect of catalyst on activation energy of a reaction?
For the reaction
`2AgCl (s) + H_2 (g) ("1 atm") -> 2Ag (s) + 2H^(+) (0.1 M) + 2Cl^(-) (0.1 M)`
`triangleG^0 = -43600 J at 25^@ C`
Calculate the e.m.f. of the cell
`[log 10^(-n) = -n]`
What is the ‘Ellingham diagram’? Write any ‘two points’ of its significance.
The electrical work done in a galvanic cell is equal to ______
The Gibb's energy change (in J) for the given reaction at [Cu2+] = [Sn2+] = 1 M and 298 K is ______.
\[\ce{Cu(s) + Sn^{2+}(aq) -> Cu^{2+}(aq) + Sn(s)}\]
`["E"_("Sn"^(2+)//"Sn")^0 = -0.16 "V", "E"_("Cu"^(2+)//"Cu")^0 = 0.34 "V", "Take F" = 96500 "C mol"^-1]`
The e.m.f. of cell Zn | ZnSO4 | | CuSO4 | Cu at 25°C is 0.03 V and the temperature coefficient of e.m.f. is −1.4 × 10−4 V/K. The heat of reaction for the change taking place inside the cell is ______ kJ/mol.
The cell potential for the following cell
\[\ce{Pt|H2 (g)| H+ (aq)||Cu^{2+} (0.01 M)| Cu(s)}\]
is 0.576 Vat 298 K. The pH of the solution is ____. (Nearest integer)
The standard Gibbs energy for the given cell reaction in kJ mol-1 at 2'98 K is:
\[\ce{Zn(s) + Cu^{2+} (aq) -> Zn^{2+} (aq) + Cu(s)}\]
E° = 2 V at 298 K
(Faraday's constant, F = 96000 C mol-1)