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2 years ago

15

What is the conservation of mass

1 answer:

adelina 88 [10]2 years ago

8 0

Answer: This is the definition if that's what you want.

Explanation:The law of conservation of mass or principle of mass conservation states that for any system closed to all transfers of matter and energy, the mass of the system must remain constant over time, as system's mass cannot change, so quantity can neither be added nor be removed.

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Question 2 (Multiple Choice Worth 2 points)

faust18 [17]

Answer:

$\pi$ r² x h

Explanation:

A can is cylindrical in nature. Using the formula of the volume of the can, we can find this unknown volume.

The volume of cylinder is given as:

Volume of a cylinder = Area x height

Volume of a cylinder = $\pi$ r² x h

Therefore density of the can;

Density = $\frac{mass}{volume}$

6 0

2 years ago

Do i look phat in this dress?

alexandr402 [8]

Answer:

Very!

Explanation:

Very phat!

8 0

2 years ago

There is nothing that you can do to conserve energy. True or False

Firdavs [7]

I am going to say it is false.

6 0

3 years ago

Read 2 more answers

Why does an exothermic reaction need activation energy?

andrey2020 [161]

Answer:

Activation energy is needed so reactants can move together, overcome forces of repulsion, and to begin breaking bonds.

Explanation:

6 0

3 years ago

Examine the statement.

saveliy_v [14]

My view point is that i disagree and that the rules are completely different

6 0

2 years ago