Manipulating Latent Heat Equations

The diagram shows a cooling curve for water. Which line represents the water in a solid form?

The diagram shows a cooling curve for water. Which line represents the water freezing?

The diagram shows a cooling curve for water. Which line represents the it in a liquid state (water)?

The diagram shows a heating curve for water. Which line represents the it in a liquid state (water)?

The diagram shows a heating curve for water. Which line represents ice melting?

Why are lines B and D flat?

Latent Heat is

The heat absorbed by melting a solid is known as

Select the state changes that latent heat of fusion applies to.

Select the state changes that latent heat of vaporisation applies to.

Consider the following temperature-time graph when a solid is heated. which part of the graph involves latent heat of vaporization?

Select the correct equations.

How much energy is required to melt down a 2000 g of mercury?(latent heat of fusion is 1.14 x  $$10^4$$ J/kg)

How much energy is required to change 5 kg of ice at 0 $$\degree$$ C into water at the same temperature? (latent heat of fusion is 3.36 X $$10^6$$ J/kg )