A mixture of nitrogen gas and hydrogen gas reacts in a closed container to form ammonia, NH3 (g). The reaction ceases before either reactant has been totally consumed. At this stage 1.2 mol nitrogen gas, 1.2 mol hydrogen gas, and 1.2 mol ammonia are present.
How many moles of N2, and H2 were present originally?

How many atoms of mg are present in 97.22 grams of mg? 6.022 × 1023 2.408 × 1024 4.818 × 1024 5.855 × 1025

Essay-alternative energy sources research sources of energy that are being developed. write a report of 350-400 words discussing the information you learned concerning the development of various energy sources and the impact that you think they will have on your life. include sources cited at the end of your report using the mla format. follow the rubric guidelines. note that wikipedia is not an appropriate resource for a research paper. worth 99

Which of the following best describes technology a. something created for only scientists to use b.the method of thinking that scientists use. c.the application of engineering to create useful products. c. a scientific idea