The specific gravity of wood is 0.853, which allows for an apparent mass of 0.047 kg of wood to sink in alcohol.
Mass of wood = 0.48 kg
It floats on water. So ? wood Alcohol apparent mass equals 0.035 kilogramme
Loss in mass = 0.48 - 0.035 = 0.445 kg = mass of alcoholdisplaced
Volume of alcohol displaced = 0.445/790 = 5.63×[tex]10^{-4}[/tex] [tex]m^{3}[/tex] = Volume of wood
Density of wood = Its mass / volume = 0.48/5.63×[tex]10^{-4}[/tex] = 853 kg [tex]m^{-3}[/tex]
Wood's specific gravity is equal to its density divided by the density of water, which is
= 853 /1000
= 0.853
Technically speaking, specific gravity is a measurement of the density of wood in relation to water. (So the specific gravity of a piece of wood would be 1.00 if it has the same density as water.) The moisture level of the wood has a significant impact on the density measurement, as it does with all measurements of density for wood. The more moisture the wood has, the denser it will be.
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