Which of the following would DECREASE the rate of a reaction? 1. add a catalyst
2. increase the concentration
3. increase the volume
4. increase the pressure

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 happens when an acid dissolves?

Which of the following units is not an official si unit