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# Thermodynamics Free Doubts and Solutions

## 150 ml of 0.5 N HNO3 was mixed with 150 ml of 0.5 N NaOH solution at 25.35 C. the final temperature was recorded as 28.77 C. calculate the enthalpy of neutralisation of HNO3 and NaOH. specific heat of solution is 1 cal/g

Asked by debaratib24 27th July 2016, 9:45 PM

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## How can I define enthalpy and entropy?

Asked by Bhaskar 5th November 2015, 4:59 PM

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## EXPLAIN THE EXPERIMENT TO DETERMINE THE INTERNAL ENERGY CHANGE OF A CHEMICAL REACTION?

Asked by Sai Seravan Bodipudi 25th October 2015, 10:58 AM

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## What is internal energy? Explain.

Asked by k.manju2007 24th August 2015, 5:02 PM

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## The combustion of one mole of ethanol takes place at 298 K and 15 atm .After combustion,CO2(g) and H2O(l) are produced and 1365.6Kj of heat is liberated .CAlculate the standard enthalpy of formation △ H of ethanol. Standard enthalpies of CO2 and H2O are -393.5Kj/mol and -285.83Kj/mol respectively. meritnation

Asked by Ibrahim Mohammed 23rd February 2015, 10:51 PM

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## molarity=no.of moles*1000/vol (in ml) hence in this case would the no.of moles not be 0.1*50/1000 i.e. 0.005 ? thnxx a lot for your answer...it helped a lot

Asked by TVISHA Bhatt 18th August 2014, 1:47 PM

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## calculate the wavelength frequency and wave whose period is 2.0*10-10s?

Asked by Aakrati Gawande 27th March 2014, 11:56 AM

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## the entropy of stem is more than that of water at its boiling point explain?

Asked by Aakrati Gawande 26th March 2014, 4:59 PM

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## (ii) The dissolution of Ammonium chloride in water is endothermic, but still it dissolves in water.

Asked by swapnesh naik 4th March 2014, 11:25 AM

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## give some 1 marks question from thermodynamin and equilibrium which are alll important

Asked by swapnesh naik 3rd March 2014, 10:10 PM