Unit 4: Gases
Section
SC1 Able to describe the difference between solids, liquids, and gases, in terms of particle movement and forces/bonds between the particles.
SC2 Explain why metals and ionic compounds are solids at room temperature, while gases which exist at room temp are covalent molecular substances
SC3 Know the common measurable properties (P, V, and T) of gases (and their units)
1 SC4 Be able to convert between units for measurable properties
4 lessons SC5 Know the points of the Kinetic theory of Gases
SC6 Identify points in the Kinetic Theory which explain specific gas characteristics (for example, why there is an increase in gas pressure when heated)
LG1 Logically argue using a theoretical model (kinetic theory) to explain characteristics of gases
SC7 Describe the contribution of Robert Boyle to the study of gases
SC8 Know Boyle’s Law (and the conditions of its application) and use it to calculate changes in the Pressure and Volume of a gas
SC9 Measure changes in Press and Volume of a gas and experimentally verify Boyle’s Law
SC10 Describe the contribution of Jaques Charles to the study of gases
2 SC11 Know Charles’s Law (and the conditions of its application) and use it to calculate changes in the Volume and Temp of a gas
5 lessons SC12 Measure changes in Temp and Vol of a gas and experimentally verify Charles’s Law
SC13 Know the combined gas law (and the conditions of its application) and use it to calculate changes in the Press, Vol, and Temp of a gas
LG2 Use simple mathematical relationships to calculate measurable gas properties AND logically argue the application of these theoretical models to explain gas behaviour
SC14 Describe the contribution of Amedeo Avogadro to the study of gases
3 SC15 Know mathematical AND graphical representations of the ideal gas law (general gas equation)
6 lessons SC16 Use the ideal gas law to calculate the moles, Molar Mass, Press, Vol, or Temp of a gas.
SC17 Use the ideal gas law to experimentally determine the Molar Mass of a gas.
LG3 Use the ideal gas law to calculate measureable gas properties, AND logically argue the application of this theoretical model to explain gas behaviour
SC18 Describe the contribution of John Dalton to the study of gases.
4
2 lessons
SC19 Know Dalton’s Law of Partial Pressures and use it to calculate (relative and absolute) pressure, the number of moles of a gas and Molar Mass of a gas.
LG4 Apply Dalton’s law to gas mixtures
SC20 Describe the contribution of Thomas Graham to the study of gases.
5
2 lessons
SC21 Know Graham’s Law of effusion and apply it mathematically to diffusion of a gas to calculate relative rates of gas movement.
LG5 Apply Graham’s law to the diffusion of gases
SC22 Describe the difference in the measurable properties of a “real” gas versus an ideal gas and know the general condition under which “real” gas behaviour occurs.
3 SC23 Use intermolecular forces (3 types of) to explain the behaviour of “real” gases.
6 lessons SC24 Explain why the measureable properties of “real” gases vary from those of ideal gases
SC25 Graphically represent variations of real gases from ideal gas behaviour.
LG6 Predict and/or justify the measurable properties of a “real” gas – mathematically and in a logical argument using a theoretical model (of real gases).
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