The volume of a sample of gas (2. 49 g) was 752 ml at 1. 98 atm and 62 °c. The gas is .

If (a, b) is the solution to the system of equations shown above, and a and b are integers, then what is the value of a+b?

Which early modernism trend in art focused on prehistoric or exotic cultures? a. primitivism b. expressionism c. impressionism d. total serialism

Which source would provide the most bias-free information about smoking and increased health risks? a) a website created by heart disease patients b) a research study conducted by the mayo clinic eliminate c) a public service message sponsored by tobacco companies d) an online question forum conducted by attorneys for cardiac specialists