2.3) The amide proton of N-methyl formamide (HCONHCH3) appears at 8.0 ppm in organic (nonexchanging) solvents. In water if this proton exchanges with the water protons at rates of 4x10-1/sec at pH 4 and 1x106 /sec at pH 10. Calculate the chemical shifts of the amide proton of 0.010 M N-methyl formamide in water at pH 4 and 10 for a proton NMR spectrometer operating at 600 MHz. Use 5.0 ppm for the chemical shift of the water protons.

In a sample of oxygen gas at room temperature, the average kinetic energy of all the balls stays constant. which postulate of kinetic molecular theory best explains how this is possible?

Which produce would best increase the amount of heat energy that is actually gained by calorimeter b

Ammonia and oxygen react to form nitrogen monoxide and water, like this: 4nh3 (g) + 5o2 (g) → 4no (g) + 6h2o (g) also, a chemist finds that at a certain temperature the equilibrium mixture of ammonia, oxygen, nitrogen monoxide, and water has the following composition: compound pressure at equilibrium nh3 65.1atm o2 31.3atm no 62.7atm h2o 65.8atm compound pressure at equilibrium nh3 65.3 atm o2 7.79 atm no 12.1 atm h2o 65.8 atm calculate the value of the equilibrium constant kp for this reaction. round your answer to 2 significant