CHM103
One of these statements is not true of the kinetic-molecular theory of gases.
Answer: the average kinetic energies of different gases are different at the same temperature.
Under what conditions does the behaviour of real gases deviate from that predicted by the ideal gas law?
Answer: high pressure, lowtemperature
These parameters are considered inoder to adequately resolve thermodynamics into meaningful models except
Answer: physical appearance
Helium molecule has a mass of 4.0026 g and is moving at a speed of 30 m/s. The classical kinetic energy of the gas is?
Answer: 1.80 j
One of these is not part of the procedure in determining the critical temperature of a liquid.
Answer: place the filled capillary tube in ice block and observe
The arrangement, which drives the more energetic particle to be on the surface of the particles while the less energetic particles are in the bulk of the liquid is because
Answer: some particles are more energetic than others
Which of these statements is true of mixtures?
Answer: very little or no exchange of energy occurs during the formation of mixtures
One of these form a crystal with a bee structure
Answer: cscl
A plot of V against T as linear with zero intercept and slope, equal to K is graphical representation of
Answer: charlesY law
When 0.25 L of liquid nitrogen (d = 0.807 g/mL) is vaporized, what volume does the resulting gas occupy at 25 °C and 5.00 atm
Answer: 351
The density of a crystal depends on all the following except
Answer: its geometry
At reasonable energy function, the surface particles have the tendency to escape through process of
Answer: evaporation
One of these statements is untrue about semiconductors.
Answer: they conduct under normal conditions
Which of the following is a pure substance made up of one type of atom?
Answer: element
The point whereby the temperature in which the prevailing vapour pressure of the liquid is equal to the ambient atmospheric pressure is called?
Answer: boiling point
The pressure exerted when an equilibrium is established between the number of particles evaporating and condensing within a given system is known as
Answer: vaour pressure
are fundamental concepts that are needed to model the behaviour of gases
Answer: gas laws
Answer: vapour pressure of any substance does not increase linearly with temperature
The following laws have been developed into equations of gas behaviours except
Answer: faradayVs
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