Which statement about the physical change of liquid water boiling into steam is true? The heat added represents an energy change. The action cannot be reversed. The steam cannot conserve mass. The weight lost represents a mass change.

The heat added represents an energy change.

Explanation:

In a physical change the heat added represents an energy change.

A physical change is a type of change in which a form of matter is affected, but not its chemical composition. That is no new substance is formed during this process.

This change is usually associated with change in energy of the substance.

Examples of these change include;

Thus, in a physical change the heat added represents an energy change.

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b.

explanation:

measuring things 1 litre of water