Under the same conditions of temperature and pressure the volume of a gas varies directly as the number of moles of the gas (n). Which law is this?
Boyle' s law
Charles' law
Kelvin law
Avogadro's law
The densest gas is
Oxygen
Radon
Nitrogen
Hydrogen
Which energy is obtained by the movement of the objects?
Light energy
Heat energy
Electric energy
Kinetic energy
Pressure is the force per unit area applied vertically.Its unit is
-m3
N/m2
Q/m2
P/m2
As the force of attraction between molecules increases,they become unable to move freely.Hence there is a decrease in
Kinetic energy of gases
Molecular movement
Distance between molecules
Random Nature of Molecules
In what states of matter can diffusion take place?
Liquid and solid
Liquid and gas
solid and gas
Solid,Liquid and gas
Which is the equation of Boyle's law?
P ∞ V
V∞ 1/P
P ∞ T
V ∞ 1/T
As the temperature increases,the rate of evaporation
increases
decreases
remains the same
Increases to some extent and then decreases.
P1V1 = P2V2 states which law?
Avagadro law
Boyle's law
Einstein's law