Pre-Lab Assignment Experiment 9; Under Pressure: Experiment 9: Under Pressure wi
ID: 1050663 • Letter: P
Question
Pre-Lab Assignment Experiment 9; Under Pressure: Experiment 9: Under Pressure will introduce you to the properties of gases and how those properties depend on each other. There are four measurable properties or variables needed to describe the slate of a gas. List them below. Which two properties of a gas are we investigating in this experiment? Are the four variables completely independent of each other? Explain. Give an example of a unit of pressure in the SI metric system. Here is a list of data points x and y. Fill in the three columns by calculating the product or quotient as indicated.Explanation / Answer
The variables are pressure, temperature, volume and mass of gas ( or moles).
Pressure and volume are related in this experiment
The four variables are not independent and they are related by gas law PV=nRT ( ideal gas equation)
Pressure units are N/m2 in SI
x y xy y/x x2 y/x2
1 3.2 3.2 3.2 1 3.2
2 12.8 25.6 6.4 4 3.2
3 28.8 86.4 9.6 9 3.2
4 51.2 204.8 12.8 16 3.2
5 80 400 16 25 3.2
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