Draw the product that is formed when the compound shown below is treated with an excess of hydrogen gas and a platinum catalyst. hexene

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

Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?

The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false