Astudent performed an analysis of a sample for it's calcium content and got the following results: 14.92%, 14.91%, 14.88%, 14.91%. the actual amount of calcium in the sample is 15.70%. what conclusion can you draw about the accuracy and precision of these results?

Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.

Given the following reaction: c3h8+5o2=3co2+4h20 how many grams of co2 will be produced 7 g of c3h8 and 98 g of o2

In apex! a liquid heated beyond a certain temperature becomes