The temperature of the system decreases in an
adiabatic compression
isothermal compression
isothermal expansion
adiabatic expansion
Which of the following is always negative for exothermic reaction?
ΔH
ΔS
ΔG
None of these
In _______ process, work is done at the expense of internal energy process.
isothermal
isochoric
adiabatic
isobaric
Which of the following is an intensive property?
Temperature
Viscosity
Surface tension
All of these
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
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
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 following is a path function?.
Internal energy
Enthalpy
Work
Entropy
Minimum work is obtained when 1 kg of ____ gas expanded under 500 kPa to 200 kPa pressure at 0oC.
chlorine
oxygen
nitrogen
methane