The executives in charge of advertising for Big Spill brandof paper towel want to advertise that Big Spill towels absorb twice as much as Good buy brand. WHAT IS THEIR
1. Title of the experiment :?
2. Hypothesis:?
3. Dependent variable:
4. Control group:?

The volume of helium in a blimp is 6.28 x 10^9 millimeters. the density of helium in the blimp is .1786 kilogram/meter^3. find the mass of the helium in the blimp.

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.

How many moles are contained in 5.6 l of h2 at stp