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WorksheetsSTATES OF MATter
Total questions: 26
Worksheet time: 41mins
Gas pressure is caused by
gas molecules colliding with surfaces
gas molecules hitting other gas molecule
gas molecules condensing to a liquid
barometers
Which of the following is true about KMT?
Gas particles are elastic and do not attract each other.
Energy is not lost when gas particles collide with each other or with the walls of the container.
The kinetic energy of gas is dependent on temperature
All of the above.
Hydrogen gas exerts a pressure of 466 torr in a container. What is this pressure in atmospheres?
0.217 atm
0.466 atm
0.613 atm
1.63 atm
The pressure of hydrogen sulfide gas in a container is 35,650 Pa. What is this pressure in torr?
46.91 torr
267.4 torr
351.8 torr
3612 torr
"The volume of an ideal gas is directly proportional to the number of moles of the gas at constant temperature and pressure" is a statement of _____________ Law.
Charles'
Boyle's
Amontons'
Avogadro's
The pressure of an ideal gas is inversely proportional to its volume at constant temperature and number of moles" is a statement of __________________ Law.
Charles'
Boyle's
Amontons'
Avogadro's
"The volume of an ideal gas is directly proportional to its absolute temperature at constant pressure and number of moles" is a statement of ________________ Law.
Charles'
Boyle's
Amontons'
Dalton's
"The total pressure in a mixture of unreacting gases is equal to the sum of the partial pressures of the individual gases" is a statement of __________________ Law.
Graham's
Boyle's
Avogadro's
Dalton's
oxygen, nitrogen trihydride, hydrogen, carbon dioxide.
"A liquid that flows very slowly is said to be more viscous than a liquid that flows easily and quickly"
Which example can explain about this statement?
Honey is more viscous than water
Water is more viscous than honey
Both honey and water have same viscosity
During condensation process the vapour molecules ______ energy during collisions and return or trapped back to the liquid
lose
accept
remove
Which statement is correct about vaporisation?
i. molecules of a liquid move more freely
ii. their average kinetic energy proportional to the temperature
iii. some molecules at the surface have lower kinetic energies
iv. molecule which posses sufficient energy can overcome the attractive forces and escape from the bulk liquid
i,ii and iii
i, ii and iv
i, iii and iv
i, ii, iii and iv
Under which conditions of temperature and pressure does carbon dioxide behave most like an ideal gas?
A) Low temperature and low pressure
B) Low temperature and high pressure
C) High temperature and low pressure
D) High temperature and high pressure
A real gas differs from an ideal gas because the molecules of a real gas have
A) Some volume and no attraction for each other
B) Some volume and some attraction for each other
C) No volume and no attraction for each other
D) No volume and come attraction for each other
Which one of the following is the wrong assumption of kinetic theory of gases?
All the molecules move in a straight line between collision and with the same velocity.
Molecules are separated by great distances compared to their sizes.
Pressure is the result of elastic collision of molecules with the container’s wall.
Momentum and energy always remain conserved.
From the van der Waals constant 'b' for H2, CO2 and N2 gas, which of the gas have the largest volume?
Hydrogen gas, H2 = 0.02661 L mol-1
Carbon dioxide, CO2 = 0.04267 L mol-1
Nitrogen gas, N2 = 0.03913 L mol-1
Hydrogen gas. H2
Carbon dioxide, CO2
Nitrogen gas, N2
Which graph shows the correct relationship at constant temperature?
A
B
C
D
Which of the following statements DOES NOT represent the ideal gas law ?
Pressure is directly proportional to the absolute temperature.
Pressure is inversely proportional to volume
Volume is directly proportional to the absolute temperature.
Volume is directly proportional to pressure.
Water drops seen on the lid of a hot tea pot is an example of__________.
Evaporation
Condensation
Precipitation
Water cycle
