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3 years ago

How much heat in joules is required to melt an ice cube with a mass of 18.6 g at 0 °C? The Lf for water is 333 J/g.

Physics

1 answer:

EastWind [94]3 years ago

5 0

Answer:

The heat energy required, Q = 6193.8 J

Explanation:

Given,

The mass of ice cube, m = 18.6 g

The heat of fusion of ice, ΔHₓ = 333 J/g

The heat energy of a substance is equal to the product of the mass and heat of fusion of that substance. It is given by the equation,

<em> Q = m · ΔHₓ joules</em>

Substituting the given values in the above equation

Q = 18.6 g x 333 J/g

= 6193.8 J

Hence, the heat required to melt the ice cube is, Q = 6193.8 J

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