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Which change in state requires that energy be added to the substance?
Melting solid into liquid requires energy to be added to the substance.
What is the energy needed for a substance to change from liquid state to a gaseous state?
thermol
Can a liquid substance diffuse in another liquid substance a gaseous in liquid a gaseous in gaseous?
Yes, all of them.
When a substance changes from one state to another do the chemical properties change?
From solid to liquid, from liquid to gaseous, from gaseous to liquid, from liquid to solid, and in sublimation from solid to gaseous or the reverse, chemical properties do not change.
What is the phase change of boiling point?
The phase change that occurs at the boiling point is liquid to gas. This is when a substance changes from a liquid state to a gaseous state due to the absorption of heat energy.
What is the change of a phase from a vapor to a liquid called?
The change of phase from a vapor to a liquid is called condensation. This process occurs when a substance loses heat energy and transitions from its gaseous state to its liquid state.
What do you call the change from a solid to a liquid?
The change in state would be known as melting. Just for your information: Solid to Liquid = Melting Liquid to Gaseous = Boiling Gaseous to Liquid = Condensation Liquid to Solid = Freezing
What is the name of the energy needed to change a substance from a liquid to a gas?
The energy needed to change a substance from a liquid to a gas is called the enthalpy (or heat) of vaporization.
What Heat of is the energy needed for a substance to change from liquid state to a gaseous state?
Heat of vaporization or enthalpy of vaporization. It is the additional energy, per unit mass, required after vaporization temperature (boiling point) is reached, to accomplish the change in state, from liquid to gas.
What is the gaseous form of a substance which exist as a liquid at room temperature known as?
The gaseous form of a substance that exists as a liquid at room temperature is known as vapor.
What is the process by which molecules at the surface of a liquid absorb enough energy to change to the gaseous state is called?
The process by which molecules at the surface of a liquid absorb enough energy to change to the gaseous state is called evaporation. This occurs when the kinetic energy of the molecules overcomes the intermolecular forces holding them in the liquid state.
The process in which a substance changes from a gaseous state to a liquid state is?
Condensation is the process in which a substance changes from a gaseous state to a liquid state. This occurs when the gas loses energy (usually in the form of heat) and becomes more tightly packed together, forming liquid droplets.
