Question

Latent heat of ice is 80 calories/gram.Finf it's value in M.K.S system by dimensional method​



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Answer 1

Explanation:

We know,

K

f

(H

2

O)=

ΔH

fusion

m×1000

RT

f

2

M

solvent

=

80×18×1000

2×(273.15)

2

×18

=

80×1000

2×74610.9

=1.865K.Kg/mol

T

f

′

=0

o

C−iK

f

.m

=0−(1.95)(1.865)(

0.5

7.45/74.5

)

=−0.73

o

C