A magnetic field can be defined as a a)that moves along an electric current B) a line that radiates from a magnetic object c) an area in which a force affects magnetic material d) a repellent force between two magnetized objects e)an attractive force between two magnetized objects

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

The number at the end of an isotope’s name is the number.

In salt water solution, the salt is the blank