Is Vapour density and specific gravity same?

Specific gravity :- It is the ratio of the density of a substance with respect to density of another given substance. Vapour pressure:- It is the ratio of the mass of a vapour or gas to the mass of the hydrogen gas having same volume under similar conditions of temperature and pressure.

What is the difference between relative density and Vapour density?

Vapour density is the measure of density of any GAS to the ratio of the density of Hydrogen. vapour density = mass of n molecules of gas / mass of n molecules of hydrogen. The relative density is defined as the ratio of density of any substance to the density of standard substance.

What are the two difference between density and relative density?

Density vs Relative Density The difference between density and relative density is that density measures the mass per unit volume. In contrast, relative density measures the mass per unit volume by given reference material. Density is specific to each substance. Density usually depends on the volume of a body.

What is relative Vapour density?

The relative weight of a gas or vapor compared to air, which has an arbitrary value of one. If a gas has a vapor density of less than one it will generally rise in air. If the vapor density is greater than one the gas will generally sink in air.

How is density related to specific gravity?

Specific gravity is the ratio of the density (mass of a unit volume) of a substance to the density of a given reference material, often a liquid. If a substance’s relative density is less than one then it is less dense than water and similarly, if greater than 1 then it is denser than water.

What is difference between density and bulk density?

What is the difference between density and bulk density? – Density is a concept defined for any substance, while bulk density is only used in cases where the particles or chunks of matter are loosely packed with space for air within. – For normal solids and liquids the bulk density and density are the same.

What is Vapour density How is it related to the molecular weight?

Relative molecular mass is the ratio of the mass of one molecule of a substance to the mass 1/12th of a carbon atom, or 1 amu. Vapor density is the ratio of the mass of a volume of a gas, to the mass of an equal volume of hydrogen, measured under the same conditions of temperature and pressure.

What is the density of hydrogen?

0.00523 lb/ft3
Gaseous hydrogen, with a density of 0.00523 lb/ft3, has a specific gravity of 0.0696 and is thus approximately 7\% the density of air. For liquids, water (with a density of 62.4 lb/ft3; 1000 kg/m3) is used as the reference substance, so has a specific gravity of 1.0 relative to itself.

What is the difference between the density and relative density of a substance class 9?

The density of a material is its mass per unit volume. Relative density of a substance is the ratio of density of a substance to the density of water.

What is the difference between absolute density and relative density?

The absolute density or specific mass is the mass per unit volume of fluid and is represented by ρ. Relative density is defined as the quotient between the specific mass of the liquid under study and the density of pure water at 3.98 ° C, which value is 1 g/cm3.

What is the vapour density of co2?

22
In this question, the vapour density of the carbon dioxide is equal to the molecular weight of carbon dioxide divided by 2. Hence the vapour density of the carbon dioxide is 44 divided by 2 which is equal to 22.

What is relative vapour density of gas?

Quick Reference The density of a gas or vapour relative to hydrogen, oxygen, or air. Taking hydrogen as the reference substance, the vapour density is the ratio of the mass of a particular volume of a gas to the mass of an equal volume of hydrogen under identical conditions of pressure and temperature.