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UPC L3 Video Clip 1: Group 1 discusses CQ 3-1
At first Group 1 chooses D for CQ 3-1: all of the factors would affect the pressure. After further discussion they change their mind and think it is E (just average speed and total number of particles).
UPC L3 Video Clip 3: Group 1 discusses example 4 on PC-23
Group 1 goes over Example 4 on PC-23. After some discussion they conclude the volume decreases but they assume the mass remains the same even though the number of particles goes up because they are interpreting the 'mass' term as the mass of each particle instead of mass of the whole gas.
UPC L3 Video Clip 7: Class discusses example 3 on PC-23
Student B from class goes over the table for Example 3. She fills in the table correctly but a student in the class asks why the mass increases. The issue is whether the mass term in the table refers to the mass of the whole gas or the mass of one particle. Another student responds. Then Caitlin from Group 1 expresses her confusion about this issue. Two other students in class further clarify it.
UPC L3 Video Clip 8: Class discusses example 4 on PC-23
Student C from class (Caitlin from Group 1) goes over the table for Example 4. Her table is fine. A student in the class questions why the volume goes down. Caitlin and Lindsey (also from Group 1) give their reasoning. Then another student in the class adds to that by referring to the SPT Gas Properties Relationship.
UPC L3 Video Clip 1: Group 1 discusses CQ 3-1