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3 years ago

15

How do I know the difference between physical and chemical dissolving

1 answer:

kherson [118]3 years ago

3 0

The difference between a chemical change and a physical change lies in how the change affects the composition a substance. A chemical change occurs on the molecular level and produces a new substance. However, a physical change rearranges molecules and does not produce a new substance.

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4 years ago

10 moles of carbon dioxide has a mass of 440 g. What is the relative formula mass of carbon dioxide?

Ksenya-84 [330]

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3 years ago