What are TWO ways that humans use combustion in their everyday life? *
Your answer
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How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.

The yearly amounts of carbon emissions from cars in belgium are normally distributed with a mean of 13.9 gigagrams per year and a standard deviation of 5.8 gigagrams per year. find the probability that the amount of carbon emissions from cars in belgium for a randomly selected year are between 11.5 gigagrams and 14.0 gigagrams per year. a. 0.340 b. 0.660 c. 0.167 d. 0.397

Estimate the molar mass of the gas that effuses at 1.6 times the effusion rate of carbon dioxide.