Consider a 3.57 - L sample of an unknown gas at a pressure of 4.3 * 10 ^ 3 * P * a the pressure is changed to 2.1 * 10 ^ 4 * p * g at a constant temperature, what will be the new volume of the gas?

Which characteristics can be used to differentiate star systems? check all that apply.

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

Scientists often have to deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each number in an alternate form.