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erastova [34]
3 years ago
9

How many Joules of heat would be required

Chemistry
1 answer:
mote1985 [20]3 years ago
4 0

Heat would be required  : 1,670 J

<h3>Further explanation</h3>

Given

mass of H₂O=5 g

Required

Heat to melt

Solution

The heat to change the phase can be formulated :

Q = m.Lf (melting/freezing)

Lf=latent heat of fusion

The heat of fusion for water at 0 °C : 334 J/g

Input given values in formula :

\tt Q=5\times 334=\boxed{\bold{1,670~J}}

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