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Density
. To use the pipette the lower end A is dipped into the liquid and air is drawn out from the pipette for the liquid to come up. Volume of a liquid is usually measured in a unit called 'liter' 1 liter = 1000 cm 3 (cc) 1 m 3 = 1000 liters 1 liter = 1000 mL (milliliter) 1 mL = 1 cm 3 (1 cc) ..
. To use the pipette the lower end A is dipped into the liquid and air is drawn out from the pipette for the liquid to come up. Volume of a liquid is usually measured in a unit called 'liter' 1 liter = 1000 cm 3 (cc) 1 m 3 = 1000 liters 1 liter = 1000 mL (milliliter) 1 mL = 1 cm 3 (1 cc) ..b) Density
It is very slightly lighter than air. Vapor Density=14 [Vapor density of air =14...
b) Density
Carbon dioxide is heavier than air. Its vapour density is 22 (Vapour density of air = 14.4). Hence, it is 1.5 times denser than air. So it tends to move downwards. Certain caves and valleys, which contain carbon dioxide may be fatal to animals, as ..
Vapor density
Its vapor density = 18.25 (Vapor density of air = 14.4), hence it is nearly 1.25 times denser than air..
Vapor density
Its vapor density is 32, while the vapor density of air is 14.4. Hence sulphur dioxide gas is 2.2 times denser than air..
Population density
It is the total number of individuals of a species per unit area or volume at a given time. (Such as number of animals per square kilometre or number of trees per area etc.) Population density reflects the success of a species in any given area. Population density (P.D) can be ..
It is the total number of individuals of a species per unit area or volume at a given time. (Such as number of animals per square kilometre or number of trees per area etc.) Population density reflects the success of a species in any given area. Population density (P.D) can be ..Alkanes - Methane, A Typical Example
Methane forms an explosive mixture with air and is therefore dangerous. Methane being insoluble in water, is covenient and safer to collect by the downward displacement of wate..
High Density Population
Density of population in many cities and urban centers is so high that their respiration has caused imbalance in air composition. Their constant intake of oxygen and release of carbon dioxide has the potentiality to change the composition of air..
Calculation of Relative Density of a Liquid
Select a solid (sinker) which is insoluble in the given liquid. Weigh the sinker in air. Weigh the sinker in water and finally weigh the sinker in the given liqui..
Select a solid (sinker) which is insoluble in the given liquid. Weigh the sinker in air. Weigh the sinker in water and finally weigh the sinker in the given liqui..Relative Density of Solids which Float in Water
Relative density of solids like wax, cork etc. is determined by the following method. Choose a sinker and find its weight in water by suspending it in water as shown in figure (a) below. Tie the solid cork to the string attached to the sinker and find its weight in air but sinke..
Relative density of solids like wax, cork etc. is determined by the following method. Choose a sinker and find its weight in water by suspending it in water as shown in figure (a) below. Tie the solid cork to the string attached to the sinker and find its weight in air but sinke.. Result
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