8. A shiny, commonly used piece of metal has a mass of 729g and a volume of 270 cm3. what is its density?
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Ответ:
The answer is
2.70 g/cm³Explanation:
The density of a substance can be found by using the formula
From the question
mass of metal = 729 g
volume = 270 cm³
The density of the metal is
We have the final answer as
2.70 g/cm³Hope this helps you
Ответ:
Gas
Explanation:
If you move a substance from one container to another and its volume changes, the substance is a gas. This is because, gases do not have fixed volume and shape; their shape and volume depend on the container used.