Ahouse is generally warmer upstair that it is downstairs due to

In physics the desire of an object to keep doing what it is doing is termed?

On a day when the barometer reads 75.23 cm, a reaction vessel holds 250 ml of ideal gas at 20 celsius. an oil manometer ( ρ= 810 kg/m^3) reads the pressure in the vessel to be 41 cm of oil and below atmospheric pressure. what volume will the gas occupy under s.t.p.?

Metals are good conductors of electricity because they