What is the relationship between metallic bond strength and enthalpy of vaporization?

Word equation for k(s)+h2o(l) yield koh(aq) + h2(g)

2-bromo-2-methylbutane undergoes an e1 elimination reaction in the presence of ethanol. in the next reaction only one of the possible products is represented. although the product shown is not the major product of the reaction, notice that there is more than one way it can be produced. complete the mechanism and draw the missing substances.

The plant food contains nh4)3po4 what tests would you run to verify the presence of the nh4 ion and the po4 ion