Latent Heat of Vaporization

What is the process of changing directly from a gaseous state to a solid state without going through the liquid state?

Which of the following is a bulk phenomenon?

What is the heat energy required to change 1 kg of a liquid to gas at atmospheric pressure at its boiling point?

What is the unit of pressure?

What is the temperature at which 1 kg of a solid changes to a liquid at standard atmospheric pressure?

Which of the following is a surface phenomenon that occurs because particles from the surface gain enough energy to overcome the forces of attraction present in the liquid?

What is the temperature in Kelvin at which particles from the bulk of the liquid change into the vapour state for water?

What is the difference between the energy of particles in steam and water at the same temperature?

What is the purpose of adding or subtracting 273 from a temperature when converting between the Celsius and Kelvin scales?

Which of the following can cause a change in the state of matter?

What is the process by which some substances change directly from solid state to gaseous state and vice versa without changing into the liquid state?

What is the effect of increasing the pressure on a substance in a cylinder?

What is the primary reason for the constant temperature of a substance during its phase transition from solid to liquid?

What is the term for the heat energy required to change 1 kg of a substance from its solid to liquid state at atmospheric pressure?

At a temperature of 0°C (273 K), which of the following statements is true about the particles in water and ice?

What is the characteristic of boiling that distinguishes it from other phase transitions?

What is the primary function of the latent heat of fusion during the melting process?

What is the term for the temperature at which a liquid starts boiling at atmospheric pressure?