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.
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a. The heat added represents an energy change.
A similar substance is available when the physical change (no change in chemical composition), just with various frame (shape) or condition of issue.
Liquid water atom gain heat (vitality) and move quicker (higher dynamic energy).
The normal active energy of atoms relies upon the temperature, steam has higher temperature.
Physical changes will be changes influencing the type of a synthetic substance, yet not its concoction piece.
Physical changes are utilized to isolate blends into their segment mixes, yet can not more often than not be utilized to isolate mixes into substance components or less difficult mixes.
Instances of Physical changes:
- Ice liquefying includes a change from a strong to a fluid and the substances keep up the properties of water on the grounds that the particles never show signs of change.
- Water boiling or bubbling is a physical change as water atoms vibrate quicker, they enter the gas stage and progress toward becoming water vapor.
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