Question

What's the relationship between the temperature and the density of a substance?

Answer 1

answer:

When you increase the temperature of a substance its volume increases.(This is also known as Charles law~> T and V are directly correlated)

When the substances volume increases its density decreases.

Density:Mass/Volume

Hope this helps:)

Answer 2

Answer:

As the temperature increase, density decreases.

Explanation:

As the temperature increases, the volume of a substance increase. The substance expands. The inter-molecular distance increases.

The volume and density are inversely related.

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

As the volume increases, density decreases.

Thus, with increase in temperature, the density decreases.