Map The equilibrium constant, K, of a certain first If you were going to graphic
ID: 880489 • Letter: M
Question
Map The equilibrium constant, K, of a certain first If you were going to graphically determine the enthalpy, order reaction was measured at two AH, for this reaction, what points would you plot? temperatues, The data is shown in this table. Number Number To avoid rounding point 1 errors, use three T (K) K significant figures in 275 384 the x values and four 625 6.60 significant figures in Number Number the y values. point 2: Determine the rise, run, and slope of the line formed by these points. rise slope Number Number What is the standard enthalpy of this reaction? Number J molExplanation / Answer
To plot,
x y
point 1. 3.64 x 10^-3 1.3455
point 2. 1.6 x 10^-3 1.8871
Rise = 1.8871 - 1.3455 = 0.542
Run = 1.6 x 10^-3 - 3.64 x 10^-3 = -2.01 x 10^-3
slope = rise/run = -265.47532
slope = -deltaHo/R = -265.47532
delta Ho = 2207.162 J/mol