Heat and Gas

Experiment: Determination of Specific heat of liquids by Newton’s law of cooling Theory: The amount of heat, needed to increase the temperature of unit mass…

Relation between dew point and relative humidity From the definition of dew point we have already learnt that the temperature at which a given mass…

Some real phenomena relating hygrometry which influence our life Effect of relative humidity on the feeling of comfort and uneasiness The main factor which controls…

Importance of determination of relative humidity It is defined as the ratio of the mass of water vapour present in a given volume of air…

Dew point Atmospheric air contains water vapour or moisture. A fixed volume of air can contain a fixed amount of water vapour at a particular…

Absolute humidity- At a particular place and at a particular time the mass of water vapour present per unit volume is called the absolute humidity.…

Relative humidity: It is defined as the ratio of the mass of water vapour present in a given volume of air at a particular temperature…

“The relative humidity of air is 60%”—this statement means. Relative humidity is defined as the ratio of the mass of water vapor present in a…

The ideal gas law connects the pressure, volume, and temperature: (1) for a fixed volume, a higher temperature leads to an increase in pressure, P…

The Fundamental postulates of kinetic theory of gases are: i) All gases are composed of small individual particles called molecules. The molecules of a gas is same…