Thermodynamics & Thermochemistry
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Sakshi Vora
IIT Roorkee
❏ 7+ years Teaching experience
❏ 10th, 12th CBSE State Topper
❏ KVPY fellow
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SAKSHI
SAKSHI
Introduction
Intensive &
extensive
property
Types of
processes
Heat capacity
Internal Energy
Zeroth law of
thermodynamics
first law of
thermodynamics
Calculation of
work
A.
CV (T2 - T1)
B.
-RT (V2 - V1)
C.
-RT in V1/V1
D.
Zero
[Main Sep. 04, 2020 (II)]
[Main Jan. 08, 2020 (I)]
Calculation of
heat
[Main Jan. 08, 2020 (II)]
A.
Cyclic process : q = -w
B.
Adiabatic process : ΔU = -w
C.
Isochoric process : ΔU = q
D.
Isothermal process : q = - w
[Main April 8, 2019 (I)]
A.
B.
C.
D.
[Main April 8, 2019 (II)]
Calculation of
enthalpy
Relation
between
enthalpy and
internal energy
A.
C.
[Main Jan. 12, 2019
(I)]
B.
D.
A.
-4 RT
B.
-3 RT
C.
4RT
D.
3 RT
[Main April 10, 2019 (II)]
A.
4152.6
B.
-452.46
C.
3260
D.
-3267.6
[Main 2018]
A.
B.
C.
D.
[Main April 15, 2018 (I)]
A.
ΔH = ΔU ≠ O
B.
ΔH = ΔU = O
C.
|ΔH| < |ΔU|
D.
|ΔH| > |ΔU|
[Main April 8, 2017]
[Main Sep. 02, 2020 (I)]
Adiabatic
process
[Adv. 2020]
A.
B.
C.
D.
[Adv. 2018]
A.
B.
C.
D.
Entropy
Second law of
thermodynamics
A.
B.
C.
D.
[Main Jan. 09, 2020 (II)]
Third law of
thermodynamics
A.
Dissociation of CaSO4(S) to CaO(s) and SO2(g)
B.
Sublimation of dry ice
C.
Dissolution of iodine in water
D.
Synthesis of ammonia from N2 and H2
[Main Jan. 10, 2019 (II)]
A.
C(diamond) ⟶ C(graphite)
B.
N2(g. 1atm) ⟶ N2 (g.5atm)
C.
N2 (g.273 K) ⟶ N2 (g, 300K)
D.
H2(g) ⟶ 2H(g)
[Main April 16, 2018]
[Adv. 2020]
Gibbs free
energy
[Main April 9, 2019 (I)]
A.
(B) and (C)
B.
(B) , (C) and (D)
C.
(A) and (D)
D.
(A) , (B) and (C)
[Main Seo. 05, 2020 (II)]
Thermochemistry
[Main Sep. 04, 2020 (I)]
A.
(1) And (3)
B.
(2), (3) and (4)
C.
(3) and (4)
D.
(1) , (3) and (4)
[Main Sep. 04, 2020 (I)]
A.
A-D has the shortest bond length
B.
A-A has the largest bond enthalpy
C.
D is more electronegative than other atoms
D.
A-B has the stiffest bond
A.
B.
C.
D.
[Adv. 2019]
[Main Sep. 02, 2020 (II)]
[Main Jan. 07, 2020 (II)]
A.
-780 kJ mol-1
B.
780 kJ mol-1
C.
-784 kJ mol-1
D.
784 kJ mol-1
[Main Sep. 05, 2020 (II)]
A.
is x = y
B.
does not exist
C.
is x > y
D.
is x < y
[Main Jan. 09, 2020 (I)]
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