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)
For exothermic reaction
Hr = Hp
Hr > Hp
Hp >Hr
All of these
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
Minimum work is obtained when 1 kg of ____ gas expanded under 500 kPa to 200 kPa pressure at 0oC.
chlorine
oxygen
nitrogen
methane
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
The temperature of the system decreases in an
adiabatic compression
isothermal compression
isothermal expansion
adiabatic expansion
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
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
Thermodynamically the most stable form of carbon is
diamond
graphite
fullerenes
coal
