If 3.0 liters of oxygen gas react with excess carbon monoxide at stp, how many liters of carbon dioxide can be produced under the same conditions?

The table describes how some substances were formed substance 19 description formed by boiling pure water formed by combining three hydrogen atoms to every nitrogen atom formed by adding 5 g of sugar to 1 l of water formed by compressing carbon under high pressure based on the given descriptions, which substance is most likely a mixture?

Is a pencil falling to the floor anon contact force, a force, or a contact force

How are evaporation and sublimation similar? a both involve the formation of a gas. b both release energy to the surroundings. c both take place throughout a solid. d both take place at the surface of a liquid.