Once the ice in #7 is melted (at 0.0˚C), if you add another 3750 cal of energy to it, what temperature will the liquid water be?

100mg magnesium reacts with 20ml of 1.0m hcl

Nitrogen (n), phosphorus (p), and potassium (k) are the main nutrients in plant fertilizers. according to an industry convention, the numbers on the label refer to the mass percents of n, p2o5, and k2o, in that order. calculate the n: p: k ratio of a 30: 10: 10 fertilizer in terms of moles of each element, and express it as x: y: 1.0.

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?