2 years ago

What does the law of conservation of matter/mass state

2 answers:

8 0

The law of conservation of mass states that mass cannot be created or destroyed. It can only be transformed/transferred from one form to another.

Ivanshal [37]2 years ago

8 0

It states that mass in an isolated system is neither created or destroyed by chemical reactions or physical transformations.

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What are 3 common uses for the Uranium Element?

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3 years ago

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3 years ago

7. A square chunk of plastic has a length of 5 cm, width of 5 cm and height of 5 cm. It has a mass of 200 g. What is its density

BaLLatris [955]

Answer:

$d=1.6\ g/cm^3$

Explanation:

Given that,

The dimension of a square chunk of plastic is 5 cm × 5 cm × 5 cm

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Density = mass/volume

It will form a cube. It volume = side³

So,

$d=\dfrac{200\ g}{5^3\ cm^3}\\\\d=1.6\ g/cm^3$

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3 years ago