if a pressure of 70. kPa on a volume of 80. cm cubed is reduced to 10. kPa, by what factor does the pressure change

The molecular weight of oxygen gas (o2) is 32 while that of hydrogen gas (h2) is 2. prove that under same physical conditions, the velocity of sound in hydrogen is four times that in oxygen

What is the weight, in pounds, of a 175 - kg object on jupiter?

What kinds of bonds can happen between the elements of a compound

What is the formula for taking out deceleration? does anyone know?

Is crumbeing a sheet of paper phcsail or chemical change

Dinosaur fossils are too old to be reliably dated using carbon-14, which has a half-life of about 5730 years. Suppose we had a 68 million year old dinosaur fossil.

A power station delivers 510 kw of power at 12,000 v to a factory through wires of total resistance of 2.5 ω. how much less power is wasted if the electricity is delivered at 47,000 v rather than 12,000 v?

Two spaceships of mass 300,000 kg are 250 m apart. what is the force of gravity between them? (G = 6.67 times 10⁻¹¹ N*M²/kg²)

Air pressure is 1.0 · 105 N/m2, air density is 1.3 kg/m3, and the density of soft drinks is 1.0 · 103 kg/m3. If one blows carefully across the top of a straw sticking up 0.

What kind of motion happens at the atomic/molecular level of ALL solids, liquids and gases?