Question

why is the density of steam much lesser than the density of water /????

Answer 1

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Water has its maximum density of  When the temperature changes from either greater or less than 4 degrees, the density will become less then 1 g/cm^3. Water has the maximum density of 1 g/cm^3 only when it is pure water.

hence water has higher than steam

Answer 2

Answer:It is because steam is in gaseous state and water is in liquid state.

Explanation:Density=$\frac{volume occupied by the particles}{the total volume }$  therefore,in the  case of steam ,it is in gaseous state and hence it will have low density and water will have high density.