Is the process of changing from one phase of matter to another a physical change or a chemical change? Explain why

Question

Biology

Quinn Adams

19 February, 20:27

Is the process of changing from one phase of matter to another a physical change or a chemical change? Explain why

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Answers (2)

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Malcolm Stephens · Answer 1

When molecules move from one phase to another they are still the same substance. There is water vapor above a pot of boiling water. Even though the physical state changed, the chemical properties were the same. On the other hand, a chemical change would build or break the chemical bonds in the H2O molecules

Antony Finley · Answer 2

When molecules move from one phase to another they are still the same substance. There is water vapor above a pot of boiling water ... Even though the physical state changed, the chemical properties were the same. On the other hand, a chemical change would build or break the chemical bonds in the water (H2O) molecules.