2
You visited us
2
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard XII
Chemistry
Enthalpy
The amount of...
Question
The amount of heat required to raise the temperature of
75
g
of ice at
0
o
C
to water at
10
o
C
is:
[latent heat of fusion of ice is
80
c
a
l
/
g
, specific heat of water is
1
c
a
l
/
g
o
C
]
A
750
k
c
a
l
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
6.75
×
10
3
k
c
a
l
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
60
×
10
3
k
c
a
l
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
6.75
k
c
a
l
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution
The correct option is
D
6.75
k
c
a
l
Q
=
m
L
f
+
m
C
Δ
T
⇒
Q
=
75
(
80
+
1
×
10
)
=
6.75
×
10
3
c
a
l
=
6.75
k
c
a
l
Suggest Corrections
0
Similar questions
Q.
The amount of heat required to convert
5
g
of ice at
0
o
C
into water at
40
o
C
is (Take heat of fusion
=
80
c
a
l
/
g
, specific heat
=
1
c
a
l
/
g
) :
Q.
How much heat is required to change
10
g
ice at
0
o
C
to steam at
100
o
C
? Latent heat of fusion and vaporization for
H
2
O
are
80
c
a
l
/
g
and
540
c
a
l
/
g
respectively. Specific heat of water is
1
c
a
l
/
g
.
Q.
150
g
of ice is mixed with
100
g
of water at temperature
80
o
C
. The latent heal of ice is
80
c
a
l
/
g
and the specific heat of water is
1
c
a
l
/
g
o
C
. Assuming no heat loss to the environment, the amount of ice which does not melt is :
Q.
A refrigerator converts
100
g
of water at
25
o
C
into ice at
−
10
o
C
one hour and
50
minutes. The quantity of heat removed per minute is:-( Specific heat of
i
c
e
=
0.5
c
a
l
/
g
o
C
, latent heat of fusion
=
80
c
a
l
/
g
)
.
Q.
Calculate the quantity of heat required to convert
10
k
g
of ice at
0
o
C
to water at
50
o
C
:
(Specific heat of water is
4200
J
/
k
g
o
C
, Latent heat of fusion of ice is
336
×
10
3
J
/
k
g
)
View More
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Related Videos
Enthalpy
CHEMISTRY
Watch in App
Explore more
Enthalpy
Standard XII Chemistry
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
AI Tutor
Textbooks
Question Papers
Install app