For exothermic reaction
Hr = Hp
Hr > Hp
Hp >Hr
All of these
Minimum work is obtained when 1 kg of ____ gas expanded under 500 kPa to 200 kPa pressure at 0oC.
chlorine
oxygen
nitrogen
methane
In _______ process, work is done at the expense of internal energy process.
isothermal
isochoric
adiabatic
isobaric
Thermodynamically the most stable form of carbon is
diamond
graphite
fullerenes
coal
Which of the following is the correct option for free expansion of an ideal gas under adiabatic condition?
q = 0, ΔT < 0, w ≠ 0
q = 0, ΔT ≠ 0, w = 0
q ≠ 0, ΔT < 0, w = 0
q =0, ΔT = 0, w = 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
Which equation is correct for adiabatic process?
Q = + W
ΔQ = 0
ΔE= Q
p + Δ V = 0
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
Which of the following is a path function?.
Internal energy
Enthalpy
Work
Entropy
