The United States uses about of the world's energy. 50 33 25

25%

Explanation:

America is just one of the many countries on this planet, and compared to them and the rest of Earth, America takes up a very little percentage of energy.  Although, America's energy usage levels are increasing daily.

hey there!

boiling point is the temperature at which the vapor pressure of the liquid equals atmospheric pressure. the vapor pressure of solvent molecules is decreased when a solute is added, so a higher temperature is required to increase the number of solvent molecules in the gas phase above the liquid.

at the freezing point, the vapor pressures of the solid and liquid are equal; a lower temperature is needed to reduce the number of solvent particles above the liquid.

hope this you

tobey

o conteúdo de calor de um sistema é igual à entalpia apenas para um sistema que é constante