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• CBSE×
• Class 11 Science×
• Chemistry×
• Thermodynamics×
• Entropy And Gibbs Energy×

# Entropy And Gibbs Energy Free Doubts and Solutions

## 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)

Asked by gganga 10th April 2018, 6:02 PM

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## Question

Asked by anirbanbag81 9th January 2018, 10:34 AM

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## Q)

Asked by araima2001 17th April 2017, 4:31 PM

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## Can u give the differences and similarities between the thermodynamics chapters in physics and chemistry....ncert

Asked by minipkda 11th November 2016, 6:05 PM

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## 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?

Asked by Topperlearning User 15th June 2016, 5:46 PM

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## What is the relation between ?

Asked by Topperlearning User 15th June 2016, 5:46 PM

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## what is the diference between entropy and enthalpy? what is the gibbs energy?

Asked by svmic.dbr 9th January 2015, 10:33 PM

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## How is Gibb's energy change related to equilibrium constant of a reaction?

Asked by Ibrahim Mohammed 5th January 2015, 2:57 PM

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## Calculate the standard free energy change of dinitrogen tetroxide when it is fifty percent dissociated at 60oC and 1 atm pressure.

Asked by Topperlearning User 23rd September 2014, 4:08 PM

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## Calculate the standard energy Gibbs energy change for the formation of propane, C3H8 (g) at 298 K. Given that For propane = -103.85 kJmol-1S° mC3H8 (g) =270.2 JK-1 mol-1,   S° m H2 (g) = 130.68 Jk-1mol-1 and S° m C(graphite) = 5.74 JK-1 mol-1

Asked by Topperlearning User 23rd September 2014, 3:53 PM

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## For the reaction: Calculate the temperature at which Gibbs energy change ΔG is equal to zero. Predict the nature of the reaction at this temperature and above it.

Asked by Topperlearning User 23rd September 2014, 3:39 PM

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## 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.

Asked by Topperlearning User 23rd September 2014, 3:28 PM

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## Calculate the entropy of vaporization of water if its enthalpy of vaporization is 186.5 kJmol-1?

Asked by Topperlearning User 14th August 2014, 5:00 PM

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## For a reaction, Determine the temperature above which reaction will be spontaneous.

Asked by Topperlearning User 14th August 2014, 4:53 PM

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## At what temperature the entropy of a perfectly crystalline substance is zero?

Asked by Topperlearning User 14th August 2014, 4:51 PM

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## Give the relationship between Gibbs energy change and equilibrium constant?

Asked by Topperlearning User 14th August 2014, 4:44 PM