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When a substance changes from one physical form to another you say the substance has had a what?
When a substance changes from one physical form to another, you say the substance has had a phase change or undergone a phase transition.
Is solubility a phase change of matter?
Solubility is not a phase change of matter. It refers to the ability of a substance (solute) to dissolve in a solvent to form a homogeneous mixture (solution) without changing its chemical composition. It is a physical property and does not involve a change in the phase of the substance.
How is the kinetic energy of the particles of a substance affected when undergoing a phase change?
During a phase change, the kinetic energy of particles remains constant. This energy is used to break or form intermolecular bonds, causing the substance to change from one phase to another without a change in temperature.
Why does temperature no change during energy phase change?
During a phase change, the heat transferred to a substance is used to break intermolecular forces (latent heat), and thus the temperature of the substance does not change. The opposite also occurs: heat is transferred from a substance during a phase change without a decrease in temperature as intermolecular bonds form.
What phase change is taking place when a substance goes from a gas to a liquid?
The phase change when a substance goes from a gas to a liquid is called condensation. This occurs when the temperature of the gas decreases, causing the gas particles to lose energy and come together to form a liquid.
When a substance changes from one physical form to another you say the substance has had a what?
When a substance changes from one physical form to another, you say the substance has had a phase change or undergone a phase transition.
What do you think will happen to the temperature of a substance during a phase change?
During a phase change, the temperature of a substance remains constant. This is because the energy being absorbed or released is used to break or form intermolecular bonds, rather than to change the temperature of the substance.
Is solubility a phase change of matter?
Solubility is not a phase change of matter. It refers to the ability of a substance (solute) to dissolve in a solvent to form a homogeneous mixture (solution) without changing its chemical composition. It is a physical property and does not involve a change in the phase of the substance.
What is a change that alters the form or appearance of a substance but does not make it into other substance?
It is considered a physical change. A chemical change involves chemical reactions that change the substance into another substance. A physical change typically only modifies the form or phase.
How is the kinetic energy of the particles of a substance affected when undergoing a phase change?
During a phase change, the kinetic energy of particles remains constant. This energy is used to break or form intermolecular bonds, causing the substance to change from one phase to another without a change in temperature.
What has to be added to a substance to cause a phase change?
Adding or removing energy in the form of heat is needed to cause a substance to undergo a phase change. This extra energy helps break the intermolecular forces holding the particles together in their current phase, allowing them to rearrange into a new phase with different properties.
The phase change in which a substance change from a solid to a gas or vapor without changing to a liquid first is?
Sublimation is the phase change in which a substance changes from a solid directly to a gas or vapor without passing through the liquid phase. This process occurs when the substance's vapor pressure exceeds that of its solid form at a particular temperature.
When a substance change from one physical form to another you say the substance has had an?
When a substance changes from one physical form to another, it has undergone a phase change. This can include processes like melting, freezing, vaporization, condensation, and sublimation.
Why does temperature no change during energy phase change?
During a phase change, the heat transferred to a substance is used to break intermolecular forces (latent heat), and thus the temperature of the substance does not change. The opposite also occurs: heat is transferred from a substance during a phase change without a decrease in temperature as intermolecular bonds form.
What is the phase change in which a substance changes directly from a gas to a solid?
Deposition is the phase change in which a substance changes directly from a gas to a solid without passing through the liquid phase. It occurs when the temperature of a gas decreases to such an extent that particles lose energy and come together to form a solid.
What illustrates a phase change?
A phase change is illustrated by a substance transitioning between different physical states, such as from solid to liquid (melting) or from liquid to gas (vaporization). During a phase change, the temperature of the substance remains constant even though energy is being added or removed to break or form intermolecular bonds.
Heat that causes a substance to change form is called?
The heat that causes a substance to change form is called latent heat. This heat is absorbed or released during a phase change, such as melting, freezing, vaporization, or condensation, without causing a change in temperature.
