200 lbmol/h of a mixture of unknown alkene (cnh2n) is burned with excess air. the 1. outlet stream contains 8000 lbmol/h of gas containing (in mol %), 5% o2, 75% n2, 10% co2, 10% h2o, and no co. what is the chemical formula of this alkene?

How does a scientist the government? a. the scientist tells people in society what to do. b. the scientist determines the policies that the government spends money on. c. the scientist provides unbiased information to the government. d. the scientist makes laws based on his or her research results.

Can someone me with questions 15 to 17 plz.

Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.