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Nothing. The amount of atoms stay the same. Usually, though, the volume decreases. However, when water becomes ice, it expands.
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∙ 14y ago
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The temperature at which a substance freezes is lower than the temperature at which it melts?
Correct, the temperature at which a substance freezes is lower than the melting point.
Does a substance gain energy when it freezes?
Lose
What happens to the molecular motion of a liquid as it freezes?
As the temperature of a liquid substance lowers, the molecules and atoms making up the substance slow down their movement. The also pack closer together, making the substance more rigid, turning it into a solid.
When a substance freezes does its thermal energy decrease?
yes
What happens when a substance changes from one state of matter to another?
It undergoes a phase change, such as when a solid (like frozen CO2) sublimates directly to a gas, or when water freezes to ice.
When a substance evaporates what happens to its mass?
Its mass is unchanged.
What happens to the mass when water freezes?
No, as long as it is the same peice of ice. The volume and the density change but not the mass
What happens to the mass when a substance when rusting happens?
When rusting occurs the mass of the substance increases since the rusting material reacts with the oxygen in air
What can happens if an earthworm freezes?
It explodes and the apocalypse happens.... What do you think happens? it freezes
What happens if an engine freezes?
It freezes.
The temperature at which a substance freezes is lower than the temperature at which it melts?
Correct, the temperature at which a substance freezes is lower than the melting point.
What happens when you freeze vinegar?
it's freezes
What happens to heat capacity if mass id doubled?
Heat capacity is measured either for one gram or one mole of a substance so the mass of substance does not matter.
What happens to the overall mass of a substance when it changes state?
the mass does not change because in science class today we learned when you measure an ice cube (mass) it is the same mass of ice melted!
Does a substance gain energy when it freezes?
Lose
What happens to the molecular motion of a liquid as it freezes?
As the temperature of a liquid substance lowers, the molecules and atoms making up the substance slow down their movement. The also pack closer together, making the substance more rigid, turning it into a solid.
The temperature at which a substance freezes is also its what?
The answer is that the temperature a substance freezes is also its melting point. Water freezes at 0 degrees Celsius into ice and if you heat ice up to 0 degrees Celsius it MELTS to give you water. Evaporation is the change from liquid to gas and condensation is the change from gas to liquid (for water this happens at 100 degrees Celsius).
