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Equilibria
Equilibrium can also exist in between the same species in two different forms e.g. liquid and solid, liquid and gas. An equilibrium constant may also be produced for every of these systems.
Conditions of equilibrium
For the general reaction:
aA+bB→cC+dD
The change in Gibbs free energy, ΔG (see Topic B6) for the reaction at a temperature, T, is given by:
Where Q is the reaction quotient,
The free energy change of both the reverse and the forward reaction is equal. This is when ΔGback=ΔG=0. In this case, the rate constants for the forward and back reactions, kf and kb, and the activities of reactants and products are such that both forward and reverse reactions are occurring at an equal rate and the reaction is at equilibrium.
The maximum number of unpaired electron can be present in d orbitals are: (1) 1 (2) 3 (3) 5 (4) 7 Ans: 5
When an electron revolves in a stationary orbit then: (1) It absorbs energy (2) It emits radiation (3) Its energy remains constant (4 )It gains kinetic energy Ans:
What is meant by the term Valence
5H is the most stable, and the least stable isotope is 7H
Oxidation no of fe in fe2o3
Plant-based Sources of Antioxidants I. Vitamin C (ascorbic acid) - blackcurrants, green peppers, guava, gourds, greens, strawberries, kiwi fruits, citrus fruits, paw - paws
Sublimation - Purification of organic compounds Specific organic solids on heating directly change from solid to vapour state without passing via a liquid state, such types of
#question.how you can prepare 5 normal solution of potassium nitrate in 2 litre volume?
what is woodwards rule
The shape of 2p orbital is ; (1) Spherical (2) Ellipsoidal (3) Dumb-bell (4)Pyramidal ans: Dumb-bell
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