The chemical equation below shows the combustion of methane (ch4).

ch4 + 2o2 -> co2 + 2h2o

the molar mass of oxygen gas (o2) is 32.00 g/mol. the molar mass of carbon dioxide (co2) is 44.01 g/mol. what mass of co2, in grams, will form when 8.94 g o2 completely react?

a: 3.25
b: 6.15
c: 13.0
d: 53.0

As you move from right to left on the periodic table the atomic radius fill in the blank

Determine the percent sulfuric acid by mass of a 1.61 m aqueous solution of h2so4. %

Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.