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Wewaii [24]
3 years ago
13

Describe the difference between a chemical reaction and a physical change.

Chemistry
1 answer:
GREYUIT [131]3 years ago
5 0
A chemical change results from a chemical reaction, while a physical change is when matter changes forms but not chemical identity.


Examples of chemical changes are burning, cooking, rusting, and rotting.

Examples of physical changes are boiling, melting, freezing, and shredding.
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4 years ago
A gas sample is held at constant pressure. The gas occupies 2.97 L of volume when the temperature is 21.6°C. Determine the tempe
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Answer:

339.2K

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Using Charles law equation;

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Cross multiply

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