Please help 15 points What is the change in electrons for nitrogen in the
following reaction?
S + NO3 --> SO2 + NO

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.

200. ml of 3.00 m nacl solution is diluted to a final volume of 500. ml. what is the molarity of the final solution?

Which process describes vaporization that takes place below the surface of a liquid? condensation melting boiling evaporation