if a 103 mg sample of an unknown organic molecule that contains C, H, and O is burned with excess oxygen gas to product 156 mg CO2 and 31.9 mb H2O by the generalized reaction

Which piece of equipment would me most useful for measuring the volume of some water? a. pan balance b. graduated cylinder c. tweezers d. flask quick

Which of these conditions most likely produces an unstable isotope?

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