Methane, a gas heavily associated with the natural gas industry, is a potent greenhouse gas. Consider the
combustion reaction below.
CH4(q) + 2O2(g) + CO2(g) + 2H2O(9)
Calculate the volume of O2(g) necessary for the complete combustion of 100 g of CH4(9) at 19.9 atm and
35.5°C.

Match term definition ellipse a) diagonal cross section of a cylinder circle b) diagonal cross section through the widest part of a sphere sphere c) cross section parallel to the base of a cone great circle d) shape created when a semi-circle is rotated around the y-axis triangle e) perpendicular cross section of a cone

Chemical energy is a form of a. kinetic energy only. b. both potential and kinetic energy. c. neither potential nor kinetic energy. d. potential energy only. reset

6. using 3 – 4 sentences explain (in your own words) why water expands when it freezes? 7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation.