The normal boiling point of liquid methanol is 338 K. Assuming that its molar heat of vaporization is constant at 38.8 kJ/mol, the boiling point of CH3OH when the external pressure is 0.730 atm is

In a popular classroom demonstration, solid sodium is added to liquid water and reacts to produce hydrogen gas and aqueous sodium hydroxide. part a write a balanced chemical equation for this reaction. express your answer as a chemical equation. identify all of the phases in your answer.

According to coulomb's law, how would the electrical force between particles change if the product of their electrical charge increased?

Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?