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Subject: Chemistry, asked on 26/8/16

what is expansion of work by the system?

Subject: Chemistry, asked on 22/8/16

4 g CH4 reacts with oxygen completely by which rise in temperature is observed to be 50C.Specific heat of system is " a cal/gm/C". Heat of combustion of CH4is?

Subject: Chemistry, asked on 13/8/16

H 2 O (g) + C l 2 (g) (gives) H C l (g) + 185 k J
Whether the reaction is exothermic or endothermic? Calculate the value of delta H.

Subject: Chemistry, asked on 10/8/16

Can change in energy take place in a system when there is no change in temperature?

Subject: Chemistry, asked on 10/8/16

Does transfer of of heat or change in temperature take place in adiabatic condition?

Subject: Chemistry, asked on 22/7/16

PLZ GIVE THE ANS

Subject: Chemistry, asked on 12/6/16

a system has internal energy equal to E1. if 450 joule of heat is taken out of it and 600 joule of work is done on it then finally energy of system would be?

optian A:- E1+1050
option B:- E1+150 option C:- E1-150 option D:- E1-1050

Subject: Chemistry, asked on 11/5/16

please explain the question given in the image ASAP

Subject: Chemistry, asked on 11/5/16

please explain the question given in the image ASAP

Subject: Chemistry, asked on 11/5/16

please explain the question given in the image as ASAP

Subject: Chemistry, asked on 11/5/16

​please explain the question given in the image ASAP

Subject: Chemistry, asked on 6/4/16

the heat of formation for carbon dioxide(g),water(g) and methane (g) are -400 kJ/mol ,-280kJ/mol and -70kJ/mol.calc the heat of combustion of METHANE IN kJ/mol

Subject: Chemistry, asked on 4/2/16

plz solve the problem

Subject: Chemistry, asked on 4/2/16

plz answer the following question referring to the following diagram

Subject: Chemistry, asked on 4/2/16

plz answerthe following question with specific explanation

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