Determine the quantity of unknown protein that has an absorbance of 0.228 when a blank has an absorbance of 0.082. the previously determined calibration curve has the form of a straight line with the equation a = 0.0182 × x 0.007, where a is the corrected absorbance and x is quantity of protein in units of μg.

Evaluate this exponential expression,8. (2 + 3)2 – 42

Consider the reaction of a(g) + b(g) + c(g) => d(g) for which the following data were obtained: experiment initial [a], mol/l initial [b], mol/l initial [c], mol/l initial rate, mol/l.s 1 0.0500 0.0500 0.0100 6.25 x 10^-3 2 0.100 0.0500 0.0100 2.50 x 10^-2 3 0.100 0.100 0.0100 1.00 x 10^-1 4 0.0500 0.0500 0.0200 6.25 x 10^-3 what is the rate law for the reaction?

Which of the four hypothetical substances you investigated would be most harmful to living organisms? 50 points!