Which equation is correct for adiabatic process?
Q = + W
ΔQ = 0
ΔE= Q
p + Δ V = 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
Which of the following is always negative for exothermic reaction?
ΔH
ΔS
ΔG
None 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
Reaction for the formation of NaCI is
N2(g) + CI2(g) → NaCl(s)
Na(s) + 1/2 Cl2(g) → NaCl(s)
Na(g) + 1/2 Cl2(g) → NaCl(s)
Na(g) + Cl2(g) → NaCl(g)
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
Thermodynamically the most stable form of carbon is
diamond
graphite
fullerenes
coal
Which of the following is not an endothermic reaction?
Dehydrogenation
Ethane to ethene
Combustion of propane
Change of chlorine molecule into chlorine atoms
In exothermic reaction, heat is
given out
absorbed
not involved
given out or absorbed
Which of the following is an intensive property?
Temperature
Viscosity
Surface tension
All of these
