A copper wire was cut into pieces and dropped into a test cube containing acid. Bubbles formed immediately, the liquid in the test tube turned green, and the pieces of wire were no longer visible. Which most likely happens to the pieces of copper wire

Which type of bonding involves the complete transfer of a valence electron from a less electrogrative atom to a more electronegative one

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 happened in 2012 and how does it illustrate the importance of understanding the sun and how it works?