The boiling point of a liquid is 50°C. What is this temperature on the Kelvin scale?

Which statement accurately describes the relationship between air pressure, air density, or altitude? as altitude increases, pressure increases.as altitude increases, air density increases.air pressure and density are lowest at sea level.denser air exerts more pressure than less dense air.

Which statement describes evidence of a chemical reaction? a) ice melting eliminate b) water boiling c) lighting a match d) grape juice freezing

What is the mass of oxygen gas is consumed in a reaction that produces 4.60mol so2