The Ka of the acid-base indicator 2,3-dinitrophenol is around 6.69×10-5, and the Ka of the acid base indicator thymolphthalein is approximately 1.26×10-10. If you had to choose between these two indicators for your titration above, which would you choose?

The concept of empiricism states that all rationally accepted knowledge is determined from experience. francis bacon was one of the first scientists to promote this theory. what was it’s impact on society?

List the two type of transporst that the cell in orde to transport molecules acroos the membrane

For the reaction, 4 a(g) + 3 b(g) => 2 c(g), the following data were obtained at constant temperature. experiment initial[a],mol/l initial [b],mol/l initial rate, m/min 1 0.200 0.150 5.00 2 0.400 0.150 10.0 3 0.200 0.300 10.0 4 0.400 0.300 20.0 which of the following is the correct rate law for the reaction? 1. rate = k[a]2[b]2 2. rate = k[a][b] 3. rate = k[a]2[b] 4. rate = k[a][b]2