Astudent calculated the number of moles of carbon dioxide present in a 100.0g sample of a gaseous mixture. if the student determined that there are 0.30 moles of carbon dioxide present in the sample, what is the percent composition of carbon dioxide in the sample?

Which of these would be caused by a chemical change? a) the formation of lava. b) sedimantary rock layering over time. c) metamorphic rock forming from igneous. d) metamorphic rock eroding to form sedimentary rock.

Compare the equilibrium constants for the systems shown in the table. which favors products the most? which favors products the least? rank these systems in order from most to least in terms of favoring products rather than reactants. d > b > a > c c > a > b > d b > c > d > a a > d > c > b

How have the greenhouse gasses increased from the year 2000 to 2018