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

When liquid water in changed in to steam, energy change occurs as the heat given to the water helps the molecules to go farther away thus changing its physical state from liquid to steam.

This stored energy in the water molecules rises in form of vapor or steam hence energy change occur, this energy change helps in breaking the bond between the molecules thus setting them free.

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

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