Consider the reaction below. if you start with 2.00 moles of c3h8 (propane) and 2.00 moles of o2, how many moles of carbon dioxide can be produced? c3h8(g) + 5o2(g) 3co2(g) + 4h2o(g). a) 8.00. b) 1.20. c) 6.00. d) 2.00.

8) a mixture of he, ne and ar has a pressure of 7.85 atm. if the ne has a mole fraction of 0.47 and 8) ar has a mole fraction of 0.23, what is the pressure of he? a) 4.2 atm b) 3.7 atm c) 5.5 atm d) 2.4 atm e) 1.8 atm

Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?

Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.