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During which change of state do atoms or molecules become more ordered?
It is a physical change.
Molten iron becoming an iron peg.
When warm air comes in contact with a cold glass and liquid forms on the outside of the glass.
Condensation
It is an endothermic process.
Freezing
The volume of the gas increases, and the speed of the particles decreases.
Liquid changes to a vapor throughout the liquid.
Which of the following changes of state is exothermic?
It is a physical change.
Molten iron becoming an iron peg.
When warm air comes in contact with a cold glass and liquid forms on the outside of the glass.
Condensation
It is an endothermic process.
Freezing
The volume of the gas increases, and the speed of the particles decreases.
Liquid changes to a vapor throughout the liquid.
Water evaporating is what type of change.
It is a physical change.
Molten iron becoming an iron peg.
When warm air comes in contact with a cold glass and liquid forms on the outside of the glass.
Condensation
It is an endothermic process.
Freezing
The volume of the gas increases, and the speed of the particles decreases.
Liquid changes to a vapor throughout the liquid.
Which of the following describes what happens as the temperature of a gas in a balloon increases?
It is a physical change.
Molten iron becoming an iron peg.
When warm air comes in contact with a cold glass and liquid forms on the outside of the glass.
Condensation
It is an endothermic process.
Freezing
The volume of the gas increases, and the speed of the particles decreases.
Liquid changes to a vapor throughout the liquid.
Adding energy to a substance's particles is what kind of process?
It is a physical change.
Molten iron becoming an iron peg.
When warm air comes in contact with a cold glass and liquid forms on the outside of the glass.
Condensation
It is an endothermic process.
Freezing
The volume of the gas increases, and the speed of the particles decreases.
Liquid changes to a vapor throughout the liquid.
When does condensation occur?
It is a physical change.
Molten iron becoming an iron peg.
When warm air comes in contact with a cold glass and liquid forms on the outside of the glass.
Condensation
It is an endothermic process.
Freezing
The volume of the gas increases, and the speed of the particles decreases.
Liquid changes to a vapor throughout the liquid.
What happens when a liquid starts to boil?
It is a physical change.
Molten iron becoming an iron peg.
When warm air comes in contact with a cold glass and liquid forms on the outside of the glass.
Condensation
It is an endothermic process.
Freezing
The volume of the gas increases, and the speed of the particles decreases.
Liquid changes to a vapor throughout the liquid.
Which is an exothermic process?
It is a physical change.
Molten iron becoming an iron peg.
When warm air comes in contact with a cold glass and liquid forms on the outside of the glass.
Condensation
It is an endothermic process.
Freezing
The volume of the gas increases, and the speed of the particles decreases.
Liquid changes to a vapor throughout the liquid.
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