The rate constant for a second order reaction is 1.70-106 M-15-1 at 900 K. The rate constant at 1200 K is 3.81.107 M-15-1. What is the activation energy for the reaction? [? ]kJ/mol Recall that R = 8.314 J/mol K Enter text here Enter​

For the following dehydrohalogenation (e2) reaction, draw the zaitsev product(s) resulting from elimination involving c3–c4 (i.e., the carbon atoms depicted with stereobonds). show the product stereochemistry clearly. if there is more than one organic product, both products may be drawn in the same box. ignore elimination involving c3 or c4 and any carbon atom other than c4 or c3.

Avariable that is not being directly tested during an experiment should be

Which of the following would not diffuse through the plasma membrane by means of simple diffusion? 1 oxygen 2 glucose 3 a steroid hormone 4 a lipid soluble vitamin