Measure and pour a half cup (8 tablespoons) of tap water into the small container. Measure and record the temperature of the water.

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.

Name the element in group 17, period 2. (periodic table)

Why does a plastic bottle that is sealed at a high altitude change it’s shape when taken to lower altitude