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Byju's Answer
Standard VII
Chemistry
Sub-Atomic Particles
10 g of ice a...
Question
10
g
of ice at
10
0
C
is mixed with
100
g
of water at
50
0
C
.
What is the resultant temperature of mixture
A
31.2
0
C
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B
32.8
0
C
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C
36.7
0
C
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D
38.2
0
C
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Solution
The correct option is
D
38.2
0
C
let resultant temp.
=
x
for
10
g
water
m
=
10
g
Δ
t
=
(
10
−
x
)
Now
Q
=
m
.
c
.
Δ
t
Q
=
10.1.
(
10
−
x
)
here
when
100
g
of water
m
=
100
g
t
=
(
50
−
x
)
Q
=
100
(
50
−
x
)
heat gained = heat lost
10
(
10
−
x
)
=
100
(
50
−
x
)
x
=
38.2
∘
C
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0
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