Escriba el nombre de los siguientes hidrocarburos:

An engineering team designs a new rocket that is faster and lighter than any other model being produced. however, the materials end up being so expensive that no company can afford to buy them. which step of the engineering process should have addressed this problem? a. know the background. b. evaluate the results. c. identify a need. d. do the work.

Find the mass in grams of 1.37x1020 particles of h3po4

Is of of 3- ? a. 1--3- b. 1--2- c. 1--3- d. of