er Exam, Summer 2015 Part 4: The equation below is used to determine the density
ID: 1414163 • Letter: E
Question
er Exam, Summer 2015 Part 4: The equation below is used to determine the density of a gas: 6 nalysis 72 re: RT MW=molar mass v = volume, liter T=temperature,K of P. T and Mw: P =pressure, atm R=Gas Constant A table is to be generated with values of density for various values a. Tor various values of P. T and MW gas constant Note: cell E10 is a mol-Kname "gascon" 9 Gas Identity O2 10 Molar Mass (MW) 32 gmol0.0 mol 0.08206 mol-K g/mo 0.08206 L-atm named cell with the Pressure (P), atm 3 12 Temperature 1.5 2.5 4 D, K 300 350 2 13 14 15 16 17 -16 400 450 500Explanation / Answer
A) We want to fix the row of P thus B$12 fix the row and pass through the columns 12, 13, 14, etc. Moreover we want to fix the column of T thus $A13. We want to fix the values of R and MW too, we can put $C$10 for MW and $E$10 for R, then in a cell B13 we must to put: =((B$12*$C$10)/($A13*$E$10)), this equation allow determine all values of density with differents values of P and T.
B) It is simple to write that equation because the values for x,y and z are only one, thus:
=(A1-((2*(A1+B1^(1/3))-C1)/(10*(C1^(1/4))+4)))
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