For the following chemical reaction, what choice correctly indicates the reactant(s)? Nickel + Iron (III) sulfide --> nickel (II) sulfide + Iron

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.

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

What are transitions between a liquid and a solid called? identify which way they are transitioning