The polypropylene (repeat unit CH3CHCH2) in a plastic toy has a molar mass of 3.6 x 105 g/mol, and the length repeat unit of 0.310 pm. Calculate the radius of gyration.

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

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

The polymer used for the nonstick surface of cooking utensils is 24.0%c and 76%f by mass. what is the empirical formula of this polymer?