Billions of pounds of urea are produced annually for use as a fertilizer. balance the skeletal equation for the synthesis of urea. express your answer as a chemical equation. identify all of the phases in your answer.
nh3(g)+co2(g)==> co(nh2)2(s)+h20(l)

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.

Which of the following words describe the reality that the universe looks the same from various perspective

In order to complete this lab. you will need to be familiar with some common chemistry terms. complete the chemical change puzzle and list the relevant terms and their meaning below a.rectant b.product c.supernate