Select all the elements that would be classified as metals. Chromium, Cr
Krypton, Kr
Carbon, C
Bromine, Br
Strontium, Sr

What’s a special glass that most beakers are made of

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

Calculate the molarity of 48.0 ml of 6.00 m h2so4 diluted to 0.250 l .