REPORT ON EXPERIMENT Graphing of Data in General Chemistry Laboratory with Excel

Question

REPORT ON EXPERIMENT Graphing of Data in General Chemistry Laboratory with Excel QUESTIONS Subovir your answers on a separate sheet if neeessary ) Pressure vs. Temperature of a gas sample 0001200 Temperature (K) 1. Consider the graph shown above. a. In the above graph, what are the units of slope? b. If the pressure is 1.75 atm, what is the temperature of the gas? (Use the equation in the graph.) Show your work. An experiment was carried out in which the volume of a quantity of helium gas was measured at several temperatures and constant pressure. Plot this information using Excel" graph and determine the following: 2. Volume (L) Temperature (K) a. The equation of the line b. The R square value c. The mathematical equation supported by this 8.0 12 16 20 24 200 300 400 300 600 data Experiment l Graphing Data with Excef.

Explanation / Answer

Ans 1

Part a

Slope = (P2-P1) /(T2-T1)

Units of slope = atm/K

Part b

Pressure = 1.75 atm

Temperature =?

From The given equation

Slope = 0.0036 = 1.75/T

T = 486.11 K

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