PLEASE ANSWER True or False: When adding reactions together to get a desired reaction you must also add their enthalpies to get the enthalpy of that desired reaction.

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.

In what environment would mineral formation caused by high pressures and high temperatures most likely occur?

Which of the following describes a situation where competition between producers exists