Question

Why do most materials become less dense as their temprature is increased?​

Answer 1

Answer:

The volume of a material can change with temperature and pressure. This, in turn, changes the density of the material. As the temperature increases, most materials expand or increase their volume. This results in a decrease in density. Likewise, when the temperature goes down, the density usually becomes greater.

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Answer 2

• Because when a material is heated, the molecules travel quicker, pushing them apart.

• The connection between volume and mass is measured by density, a physical attribute of things.
• Temperature has an impact on density because the kinetic energy of particles increases as the temperature rises.

• Because volume varies with temperature, density varies as well.
• The density of a substance is defined as the ratio of its mass to its volume.
• Because the faster moving molecules are wider apart when you heat something up, the volume normally rises.
• Increased volume reduces density since volume is in the denominator.