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Kshitiz Anand
Subject: Chemistry
, asked on 13/3/18
Qno 88 ans is b
Answer
2
Shivam Desale
Subject: Chemistry
, asked on 9/3/18
Solve this:
6. Excess solid NH
4
1.' on rapid heating in a closed vessel develops a constant pressure of 4P
o
owing to the partial decomposition of solid into NH
3
(g) and HI(g) but the pressure gradually increases further owing to the dissociation of Hl. The final pressure at equilibrium is 5P
o
for. K
P
for
2
HI
(
g
)
↽
⇀
H
2
(
g
)
+
l
2
(
g
)
is
(
A
)
9
32
(
B
)
81
1024
(
C
)
1
16
(
D
)
N
o
n
e
o
f
t
h
e
s
e
Answer
2
Shivam Desale
Subject: Chemistry
, asked on 9/3/18
Qn no 3 .comp C:
3. The relative humidities will Na
2
SO
4
, 10H
2
O be efforescent when exposed to air at 0
o
C?
(A) 30%
(B) 60% (C) 40% (D) 50%
Answer
2
Shreya Choudhary
Subject: Chemistry
, asked on 8/3/18
Unable to understand the given points pls explain
Answer
2
Yashi Mishra
Subject: Chemistry
, asked on 8/3/18
The ionization constant of base(C2H5)3N is 6.4?10^-5. Calculate it's degree of dissociation in it's 0.1M solution when it is mixed with 0.01M NaOH solution.
Answer
1
Aaradhya Kondawar
Subject: Chemistry
, asked on 8/3/18
?H of a reaction is 600 cal more than ?E at 27`C.
What is the ratio of Kp to Kc for the reaction?
Answer
1
Shivam Desale
Subject: Chemistry
, asked on 5/3/18
Q. In 10 ml of
H
2
O
2
solution, excess of acidified solution of KI is added. The iodine liberated needs 20 ml of 0.1M
N
a
2
S
2
O
3
solution. What is the volume strength of
H
2
O
2
?
(a) 1.12 (b) 2.24 (c) 3.24 (d) 4.44
Answer
1
Shivam Desale
Subject: Chemistry
, asked on 5/3/18
Solve this:
A
s
o
l
u
t
i
o
n
c
o
n
t
a
i
n
i
n
g
4
.
2
g
KOH
a
n
d
Ca
(
OH
)
2
i
s
n
e
u
t
r
a
l
i
z
e
d
b
y
a
n
a
c
i
d
.
I
f
i
t
c
o
n
s
u
m
e
s
0
.
1
e
q
u
i
v
a
l
e
n
t
o
f
a
c
i
d
,
c
o
m
p
o
s
i
t
i
o
n
o
f
s
a
r
n
p
l
e
i
n
s
o
l
u
t
i
o
n
i
s
w
h
i
c
h
o
f
t
h
e
f
o
l
l
o
w
i
n
g
?
(
a
)
45
%
,
55
%
(
b
)
35
%
,
65
%
(
c
)
25
%
,
75
%
(
d
)
15
%
,
85
%
Answer
1
Yagyam Aggarwal
Subject: Chemistry
, asked on 4/3/18
Pls answer the 37th question
Q.37. What would be the pH of the resulting solution when 200 mL, 0.1 M
C
H
3
C
O
O
H
is mixed with 0.1 M, 100 mL NaOH solution?
(1) 7
(2) Less than 7
(3) Greater than 7
(4) Slightly less than 7
Answer
2
Madhura Mandal
Subject: Chemistry
, asked on 1/3/18
Solubility of SrF
2
is 10
-2
g/L at room temperature.Calculate the solubility product of salt at the room temperature. Atomic mass of Sr=88 and F=19.
Answer
1
Madhura Mandal
Subject: Chemistry
, asked on 1/3/18
find the pH of 0.1 M acetic acid, its degree of ionization is 0.018 under the given condition that K
acetic acid
=1.8*10
-5
.
Answer
1
Madhura Mandal
Subject: Chemistry
, asked on 1/3/18
the pH of lemon juice is 2.32. What is its concentration of H
3
O
+
and OH
-
?
Answer
1
Ishika Sahay
Subject: Chemistry
, asked on 27/2/18
For a hypothecal reaction
2A + B C + D;
H = -x kj/mol
What will be the effect on the equilibrium with
(a) Decrease of temperature
(b) addition of Helium gas
Answer
1
Pragnil Savjani
Subject: Chemistry
, asked on 25/2/18
explain -- aluminium alloys are used in Aircraft bodybuilding, solvay process and reaction involved,
castener- kelenner cell method, biological importance of potassium calcium bromine and sodium,
graphite is used as lubricator and conductor.
Answer
1
Pragnil Savjani
Subject: Chemistry
, asked on 25/2/18
define buffer solution with example, solubility product and its importance and on the basis of solubility product radicals are classified into different classes explain them
Answer
2
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What are you looking for?
6. Excess solid NH41.' on rapid heating in a closed vessel develops a constant pressure of 4Po owing to the partial decomposition of solid into NH3(g) and HI(g) but the pressure gradually increases further owing to the dissociation of Hl. The final pressure at equilibrium is 5Po for. KP for is
3. The relative humidities will Na2SO4, 10H2O be efforescent when exposed to air at 0oC?
(A) 30% (B) 60% (C) 40% (D) 50%
What is the ratio of Kp to Kc for the reaction?
Q. In 10 ml of solution, excess of acidified solution of KI is added. The iodine liberated needs 20 ml of 0.1M solution. What is the volume strength of ?
(a) 1.12 (b) 2.24 (c) 3.24 (d) 4.44
Q.37. What would be the pH of the resulting solution when 200 mL, 0.1 M is mixed with 0.1 M, 100 mL NaOH solution?
(1) 7
(2) Less than 7
(3) Greater than 7
(4) Slightly less than 7
2A + B C + D; H = -x kj/mol
What will be the effect on the equilibrium with
(a) Decrease of temperature
(b) addition of Helium gas
castener- kelenner cell method, biological importance of potassium calcium bromine and sodium,
graphite is used as lubricator and conductor.