A 5L solution with 0.5M HCl is diluted to 0.4M. How many L of water was added to the solution?

If 0.414 g of hydrogen is obtained in this experiment how many grams of sulfur must be obtained

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

When electrolyzing copper (ll) chloride, what reaction takes place at the anode? what reaction takes place at the cathode?