2 years ago

What volume of water has the same mass as 3.0m3 of ethyl alcohol?

1 answer:

5 0

<span>The first thing a person has to do is determine how much volume of water ethyl alcohol contains. You do this by burning the liquid and the volume that sits at the bottom is water. You take this and then determine how much 3.0m3 has and that answer is 2.0ml.</span>

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12.A piece of magnesium is in the shape of a cylinder with a height of 5.62 cm

yaroslaw [1]

Answer:

Density, d = 1.779 g/cm³

Explanation:

The density of a material is given by its mass per unit volume.

Here, height of a piece of magnesium cylinder, h = 5.62 cm

Its diameter, d = 1.34 cm

Radius = 0.67 cm

Volume of he cylinder,

$V=\pi r^2 h\\\\\text{Putting the value of r and h, we get :}\\\\V=(\pi \times (0.67)^2\times 5.62)\ cm^3$