Which is included in thermodynamic equilibrium from the following?
Pressure equilibrium
Chemical equilibrium
Thermo equilibrium
All of these
For exothermic reaction
HR = Hp
HR > Hp
Hp >HR
Which equation is correct for adiabatic process?
Q = + W
ΔQ = 0
ΔE= Q
p + Δ V = 0
For an endothermic reaction, energy of activation is Ea and enthalpy of the reaction is ΔH (both of these in KJ/mol). Minimum value of Ea will be
equal to zero
less than ΔH
equal to ΔH
more than ΔH
Minimum work is obtained when 1 kg of ____ gas expanded under 500 kPa to 200 kPa pressure at 0oC.
chlorine
oxygen
nitrogen
methane
In exothermic reaction, heat is
given out
absorbed
not involved
given out or absorbed
A process in which the system does not exchange heat with the surrounding is known as
isothermal
isobaric
isochoric
adiabatic
Which of the given properties depends on the manner in which a change is brought about? i. ΔE ii. q iii.w
ΔE only
q and ΔE
q and w
w only
Which of the following is a path function?
Internal energy
Enthalpy
Work
Entropy
In _______ process, work is done at the expense of internal energy.