In exothermic reaction, heat is
given out
absorbed
not involved
given out or absorbed
For exothermic reaction
Hr = Hp
Hr > Hp
Hp >Hr
All of these
The temperature of the system decreases in an
adiabatic compression
isothermal compression
isothermal expansion
adiabatic expansion
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
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
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
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 is correct for an endothermic reaction?
ΔH is positive
ΔH is negative
ΔE is negative
ΔH = zero
