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elena-s [515]
3 years ago
14

During all chemical reactions,mass energy, and charge are...

Chemistry
2 answers:
Natasha2012 [34]3 years ago
8 0

Answer:

3

Explanation:

According to law of conservation of mass energy and charge the mass energy and charge will remain conserved.

Mazyrski [523]3 years ago
7 0
I believe the answer would be 3( conserved)
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Air has a mass of 1.2g and a volume of 4,555ml. What is the density
coldgirl [10]

Answer:

<h2>Density = 0.00026 g/mL</h2>

Explanation:

The density of a substance can be found by using the formula

<h3>Density(\rho) =  \frac{mass}{volume}</h3>

From the question

mass of air = 1.2 g

volume = 4,555 mL

Substitute the values into the above formula and solve for the density

That's

<h3>Density =  \frac{1.2}{4555}</h3>

= 0.0002634

We have the final answer as

<h3>Density = 0.00026 g/mL</h3>

Hope this helps you

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