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Subject: Chemistry, asked on 2/2/16

ideal monoatomic gas is compressed adiabatically against constant external pressure from 1atm.300k to 3atm,700k.constant external pressure in atm is

Subject: Chemistry, asked on 16/1/16

what is delta u in bomb caloriemeter?

Subject: Chemistry, asked on 5/1/16

Is the heat of Combustion always calculated for a "Mole" of a compound or can it be also calculated for any other amount of the compound give ?

Please clear the doubt as soon as possible.
Thank you.

Subject: Chemistry, asked on 1/1/16

The ionization constant Kaof HFis 3.2X10-4. Calculate degree of dissociation and pH of HF in its 0.02 M solution.

Subject: Chemistry, asked on 8/12/15

heat of combustion of C10H8 (s) at constant volume was found to be -x kJ/mol. The value of del.H at 298 K will be .. - x + 5 kJ but how ? i am getting - x - 5 kJ

Subject: Chemistry, asked on 20/11/15

What is meant by enthalpy?Can a decrease in enthalpy be the criterion for the spontaneity of all reactions? If not, why?

Subject: Chemistry, asked on 10/11/15

why work done is a path function

Subject: Chemistry, asked on 9/11/15

plz give the meaning enthalpy in simple words

Subject: Chemistry, asked on 8/11/15

while finding enthalpy formation i am get confused experts plzhelp me to calculate enthalpformation

Subject: Chemistry, asked on 3/11/15

What is the heat capacity at constant temperature and constant pressure for H2??

Subject: Chemistry, asked on 28/10/15

Derive an equation for first law of thermodynamics.

Subject: Chemistry, asked on 28/10/15

What does "R" stand for in a gas equation >>>pV = nRT ????

Subject: Chemistry, asked on 28/10/15

We know,
W = Force * Displacement = pex*Area*Distance travelled(L)
So, W = pex* (-ΔV)
Here, why isΔV taken to be NEGATIVE???? I did'nt understand it..
(Doubt from NCERT text - pg 158 - Chem Part I)

Subject: Chemistry, asked on 15/10/15

thermochemical eq for formation of ethnol

Subject: Chemistry, asked on 10/10/15

What does "the direction of a reaction" mean ?

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