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Byju's Answer
Standard VII
Chemistry
Latent Heat of Vaporisation
1 g ice of ...
Question
1
g
ice of
0
∘
C
and
1
g
vapour at
100
∘
C
are mixed together. Assuming no heat loss, what will be the final temperature of the mixture?
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Solution
Let final temperature be T
Heat lost by vapour
=
Heat gained by ice
m
l
v
+
m
s
(
100
−
T
)
=
m
l
f
+
m
s
(
T
−
0
)
1.530
c
a
l
/
g
+
1.1
c
a
l
/
g
°
C
×
(
100
−
T
)
=
1.80
c
a
l
/
g
+
1.1
c
a
l
/
g
°
C
×
T
⇒
530
+
100
−
T
=
80
+
T
⇒
550
=
2
T
T
=
275
°
C
∵
T cannot be greater than
100
°
C
t
h
e
r
e
f
o
r
T
=
100
°
C
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