1 poin 2) Iron is found in the Earth as iron
oxide (Fe203). Iron oxide is reduced
to produce iron. Balance the equation
for the reaction: ...Fe2O3 + →
Fe + CO2
Your answer

Energy is released during which phase changes? check all that apply. boiling condensing depositing freezing melting subliming

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.

Which statement correctly describes potassium iodide, ki? there is a one-to-one ratio of potassium ions to iodide ions. potassium gains electrons and iodine loses electrons during the reaction. the lattice is held together by potassium anions and iodide cations.