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Experiment 4 SK015
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When does the temperature of the water in beaker have to be recorded?
Temp is recorded immediately when all the liquid in the conical flask are vaporised after portable burner is closed
State the possible errors in Part B of the experiment
Overheating - Loss of vapour through the hole
Derive the formula that relates the mass and molar mass by using the ideal gas equation
Mr = mRT/PV
Why do you need to prick a tiny hole in the middle of the aluminium foil?
to avoid explotion, to ensure internal pressure equal to external pressure for condensation process c
What is the unit for molar mass
g mol-1
State the ideal gas equation
PV=nRT
Based on the graph, state the relationship between volume of the gas, V and absolute temperature, T(K)
Volume is directly proportional to the temperature
The height of gas column when the Charles law apparatus was immersed in tap water is 2.6 cm. Would the height of air column increase or decrease if the apparatus is immersed in ice+ water
Decrease
What is this?
Charles' Law Apparatus
Define Charles' Law
States that the volume of a fixed amount of gas is directly proportional to the absolute temperature at constant pressure


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