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Does a physical change occurs when matter changes state?
Yes, a physical change occurs when matter changes state. This change is reversible and does not alter the chemical composition of the substance. Examples include melting, freezing, vaporization, and condensation.
A physical change occurs when what?
A physical change occurs when a substance changes its physical form or state without changing its chemical composition. Examples include changes in size, shape, or state of matter (solid, liquid, gas).
What change of state occurs when a substance reaches it's melting point. What occurs when it reaches it's boiling point?
When a substance reaches its melting point it changes from solid to liquid. When a substance reaches its boiling point it changes from liquid to gas.
What is the phase change in which substance changes from a gas to a liquid?
The phase change in which a substance changes from a gas to a liquid is called condensation. This occurs when the gas loses energy, typically through cooling, and transitions to a liquid state.
What happens to a temperature of a substance while a changing of state occurs?
As a substance changes state, the temperature remains constant.
When a physical changes occurs new substance are formed?
False. In a physical change, the substance remains the same even though there may be a change in appearance or state. The molecules of the substance do not rearrange themselves to form a new substance.
Does melting occur when a substance changes from a liquid to a solid?
This change in the state of matter (liquid to solid) is called freezing, not melting; it is a physical change, the chemical nature of the molecules is not changed.
What properties do not change when matter changes state?
During phase changes the temperature of a substance does not change.
How can you tell if a change of state has occurred?
A change of state occurs when a substance transitions from one state of matter (solid, liquid, gas) to another. You can tell if a change of state has occurred by observing changes in physical properties such as color, texture, temperature, or volume of the substance. Additionally, the substance may undergo a phase transition, like melting, freezing, boiling, or condensing.
What kind of change occurs with no new substance being formed?
physical changes
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.
When a substance moves from one state to another what kind of change occurs?
A phase change occurs. This can involve transitions between solid, liquid, and gas states, such as melting, freezing, evaporation, condensation, sublimation, and deposition. During these changes, the particles of the substance reorganize themselves into a different arrangement.
