Which equation is correct for adiabatic process?
Q = + W
ΔQ = 0
ΔE= Q
p + Δ V = 0
Which of the following is always negative for exothermic reaction?
ΔH
ΔS
ΔG
None of these
For exothermic reaction
HR = Hp
HR > Hp
Hp >HR
All of these
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
In _______ process, work is done at the expense of internal energy process.
isothermal
isochoric
adiabatic
isobaric
Which of the following is a path function?.
Internal energy
Enthalpy
Work
Entropy
Which of the following is an intensive property?
Temperature
Viscosity
Surface tension
One mole of an ideal gas is initially at 0o C and 1 atm pressure. If it absorbs 1000 cal heat during a reversible isothermal expansion, what will be its final volume?
102.5L
242.5L
22.4L
121.25L
A process in which the system does not exchange heat with the surrounding is known as
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