Write the word equations for the following balanced chemical equations. a. Zn + 2HCl → ZnCl2 + H2
b. 2503 2502 + O2

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 does the cell nucleus do or, how does it function?

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation: