Why are the densities of solids liquids and gases different?

When a substance is heated its volume increases and so the density decreases. In solids, increase in volume is negligible and hence decrease in density too. In liquids and gases, as the temperature increases, volume increases and therefore density decreases considerably.

What is more dense gas liquid or solid?

The atoms or molecules in a solid are packed together much more tightly in a solid than in a gas or a liquid. Solids are usually much more dense than liquids and gases, but not always. Mercury, a metallic element that is a liquid at room temperature, is denser than many solids.

How do you find the density of a solid liquid and gas?

Calculating Density of Solids or Liquids

1. Figure out the volume, by either measuring the dimensions of a solid or using a measuring jug for a liquid.
2. Put the object or material on a scale and figure out its mass.
3. Divide the mass by the volume to figure out the density (p = m / v).

What is the difference between the density and relative density of a substance?

Density of a substance is its mass per unit volume, while relative density of a substance is the ratio of the density of the substance to the density of water at 4 °C.

How does the density of a liquid compare with the density of the solid of the same substance?

Compressibility: Liquids have so little empty space between their component molecules that they cannot be readily compressed. Compression would force the atoms on adjacent molecules to occupy the same region of space.

Why is density of solids higher than gases?

The kinetic energy of the molecule is greater than the attractive force between them, thus they are much farther apart and move freely of each other. In most cases, there are essentially no attractive forces between particles. This means that a gas has nothing to hold a specific shape or volume.

Do gases density?

Gas Density. An important property of any gas is its density. Density is defined as the mass of an object divided by its volume, and most of our experiences with density involve solids. But for gases, the density can vary over a wide range because the molecules are free to move.

What has more density gas or liquid?

Density: The molecules of a liquid are packed relatively close together. Consequently, liquids are much denser than gases.

What is density in solid?

density, mass of a unit volume of a material substance. The formula for density is d = M/V, where d is density, M is mass, and V is volume. Density is commonly expressed in units of grams per cubic centimetre. The densities of common solids, liquids, and gases are listed in textbooks and handbooks.

How do you calculate the density of a solid?

While you cannot measure the density of a solid material without the use of special equipment, you can use the definition of density to find it indirectly. Density is the mass of a substance per unit of volume, so if you measure both mass and volume of a given sample, you can calculate its density by dividing mass by volume.

What is the lowest density solid?

The world’s least dense solid is a graphene aerogel with a density of just 0.16 mg/cm³; produced by a research team from the Department of Polymer Science and Engineering lab at Zhejiang University, China, headed up by Professor Gao Chao (China).

What is the process of liquid to solid?

The process that changes a liquid into a solid is called freezing. Condensation is the process that takes place in order for a gas to become a liquid, while vaporization occurs when a liquid is transformed into a gas. The concept of phase transitions is used in the field of material study.

What is the change from liquid to solid called?

The change of state from liquid to gas is called evaporation because solid to liquid is called melting and liquid to solid is called freezing and solid to gas is called sublimation and gas to solid is called deposition.