Question

2.What two factors must be held constant for density to be a constant ratio?

Answer 1

Answer:

Temperature and Pressure

Explanation:

Temperature and pressure cause change in volume.

So any change in volume will alter the ratio of density as given by equation of density.

Density = mass/ volume

Change in volume will alter the ratio.

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Answer 2

The two (2) factors which must be held constant for density to be a constant ratio are:

I. The temperature of a sample or physical substance.

II. The pressure around the sample or physical substance.

Density can be defined as mass all over the volume of of a sample or physical substance.

Basically, density is mass per unit volume of of a sample or physical substance.

Mathematically, the density of a of a sample or physical substance is given by the formula;

$Density = \frac{Mass}{Volume}$

The density of a sample or physical substance is directly proportional to pressure and inversely proportional to temperature.

This ultimately implies that, an increase in pressure with temperature being constant would cause an increase in density and vice-versa.

Conversely, a decrease in temperature with pressure being constant would cause an increase in density and vice-versa.

In conclusion, a change in volume of a substance is caused by both temperature and pressure.

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