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Leno4ka [110]
3 years ago
11

PLEASE HELP Thanks to Einstein's equation E = mc² we now know that energy is equivalent to what?

Chemistry
2 answers:
KiRa [710]3 years ago
5 0
Me-1 cause e is always -3
Nitella [24]3 years ago
4 0
Energy=mass x the speed of light squared.
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3 years ago
If 23.5 g of magnesium occupies 13.5 cm^3 what is the density of magnesium
lara31 [8.8K]

The density of magnesium will be 1.74 g/cm³ if 23.5 g of magnesium occupies 13.5 cm³

<h3>What is Density ?</h3>

Density is the measurement of how tightly a material is packed together.

It is defined as the mass per unit volume.

Given ;

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Formula to calculate density ;

Density = mass / volume

             =23.5 / 13.5 = 1.74 g/cm³

Hence, the density of magnesium will be 1.74 g/cm³ if 23.5 g of magnesium occupies 13.5 cm³.

Learn more about density here ;

brainly.com/question/15164682

#SPJ1

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