CBSE Class 11-science - Entropy and Gibbs Energy Videos

• what is the equilibrium constant k
  
• the total entropy change for system it's sourunding increase if process is
• write a relation between delta G and Q and define the meaning of each term and answer the following a) why a reaction proceeds forward when Q< K and no net reaction occurs when Q = K b) explain the effect of increase in pressure in terms of reaction quotient Q for the reaction CO ? CH4(g) + H2O(g) (ii) for the reaction, N2(g) +3H2(g)? 2NH(g) at 400K , Kp = 41, find the value Kp for the reaction 2N2(g) +6H2(g) ? 4NH3(g)
• Give the relationship between Gibbs energy change and equilibrium constant?
• What is the relation between ?
• At what temperature the entropy of a perfectly crystalline substance is zero?
• For a reaction, Determine the temperature above which reaction will be spontaneous.
• Calculate the entropy of vaporization of water if its enthalpy of vaporization is 186.5 kJmol^-1?
• For a water gas reaction at 1000^°C the standard Gibb’s energy change is -8.1 kJ mol^-1. Calculate the value of equilibrium constant?
• Calculate the standard Gibbs energy change for the following reaction: Given that for Cu²⁺_(aq) and Zn²⁺_(aq) as 65 kJ mol^-1 and -147.2 kJ mol^-1 respectively.

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