Calculate the molarity of a solution of KOH if 18.15 mL of it is required for the titration of a 20.00-mL sample of a 0.2452 M H2SO4 solution.

Who is better, messi or cristiano, i need this for a chemistry class. asap

Butadiene undergoes a reaction at a certain temperature in the gas phase as follows: 2c4h6(g) --> c8h12(g) the following data were collected for this reaction: time (min) [c4h6] (m) 0 0.36 15 0.30 30 0.25 48 0.19 75 0. determine the order of the reaction and the rate constant. 1st order and k = 4.3x10 -4 s-1 1st order and k = 2.3x10-4 s-1 2nd order and k = 4.3x10-4 s-1 2nd order and k = 2.3x10-4 s-1 zero and k = 4.3x10-4 s-1

What are four significant sources of ghgs that come from wostem washington?