Which is included in thermodynamic equilibrium from the following?
Pressure equilibrium
Chemical equilibrium
Thermo equilibrium
All of these
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
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
In exothermic reaction, heat is
given out
absorbed
not involved
given out or absorbed
If W is the amount of work done by the system and q is the amount of heat supplied to the system, identify the type of the system
isolated system
closed system
open system
system with thermally conducting walls
In _______ process, work is done at the expense of internal energy process.
isothermal
isochoric
adiabatic
isobaric
Which of the following is not an endothermic reaction?
Dehydrogenation
Ethane to ethene
Combustion of propane
Change of chlorine molecule into chlorine atoms
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
Thermodynamically the most stable form of carbon is
diamond
graphite
fullerenes
coal