NO2(g) + O2(g) --> NO(g) + O3(g)
What mass of ozone is predicted to form from the reaction of 2.0 g NO2 in a car’s exhaust and excess oxygen?

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

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?

In a laboratory, 1.55mg of an organic compound containing carbon, hydrogen, and oxygen is burned for analysis. this combustion resulted in the formation of 1.45mg of carbon dioxide and .89 mg of water. what is the empirical formula for this compound?