After the reaction how much octane is left c8h18(g) o2(g)→co2(g) h2o(g).

The air exhaled from the lungs of a smoker has a concentration of 24 ppm co. express the concentration as a percent.

How many liters of water vapor can be produced if 108 grams of methane gas (ch4) are combusted at 312 k and 0.98 atm? show all work. pls ! will mark as brainliest

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line