________ law is used for detecting marsh gas in coal mines.
Boyle's
Grahams
Charles law
Rate law
Force per unit area defines _________.
pressure
temperature
gravity
weight
_____ is the device used to measure pressure .
Hygrometer
Barometer
Thermometer
None
Solid has definite __________.
texture only
shape only
configuration only
All three
A sample of oxygen gas with a volume of 8.00 L at 127oC and 775 mm Hg is heated until it expands to a volume of 20.00L. Determine the final temperature of the oxygen gas, if the pressure remains constant.
727oC
318oC
1000oC
160oC
Lighter gases diffuse ___________ behaviour gases.
Faster than
Slower than
Easier than
Same as
___________ explains the effect of pressure on volume of gas.
Charle's law
Graham's law of diffusion
Boyle's law
none of these
_________ explains the effect of temperature on the volume of a gas.
Van der waal's equation
The force of attraction between the molecules of gas is ___________ .
negligible
greater than that of liquids
greater than that of solids
The measurable properties of gas are:
shape and volume
pressure and shape
volume and pressure
