WorksheetsLiquid #1
Total questions: 12
Worksheet time: 3hrs 0mins
Liquid particles are...
...closely packed together but not rigidly.
...closely packed together and rigidly.
...freely moving around.
...rigidly arranged.
The molecules on the surface of a liquid experience intermolecular attraction in all directions by their neighbouring molecules EXCEPT from...
...upward away.
...downward away.
...the right side.
...front and back sides.
What is viscosity?
A measure of a resistance of fluid to flow.
A measure of the rate of fluid to evaporate.
A measure of solidification of liquid.
A measure of a resistance of fluid to vaporise.
At which temperature does the maple syrup liquid flow the quickest?
400 K
350 K
300 K
150 K
Why does liquid have higher compressibility than gas but lower than solid?
Liquid particles are more closely packed together than in gas but more loosely packed than in solid.
Liquid particles are less closely packed together than in gas but more closely packed than in solid.
Liquid particles are more freely packed together than in gas but more loosely packed than in solid.
Liquid particles are more closely packed together than in solid but more loosely packed than in gas.
Vaporisation is...
...a process in which the molecules changing from liquid to vapour phase.
...a process in which the molecules changing from liquid to solid phase.
...a process in which the molecules changing from solid to vapour phase.
...a process in which the molecules changing from vapour to liquid phase instantaneously.
At which temperature liquid particles will have the lowest kinetic energy?
100 K
200 K
300 K
400 K
Vaporisation occurs on the surface of a liquid and it occurs at any temperature.
TRUE or FALSE?
TRUE
FALSE
What are the factors that influence the rate of vaporisation of liquids?
Surface area
Temperature
Intermolecular attractive forces
Interparticle space in liquids
Which of these liquids has the lowest rate of vaporisation at 1.0 atm?
H2O
CH4
HBr
NH3
What is vapour pressure?
The pressure exerted by the vapour molecules in equilibrium with its liquid.
The pressure exerted by vapour molecules at 1.0 atm.
The total pressure of every partial pressure in a closed vessel.
The pressure that is exerted by vapour molecules when they collide with the walls of the container.
Liquid starts to boil when...
...its vapour pressure equals to the atmospheric pressure.
...its vapour pressure equals to the liquid pressure.
...its vapour pressure is higher than the atmospheric pressure.
...its vapour pressure equals to the partial pressure of every gas.
