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What two processes need heat to happen?

Melting, where a solid changes to a liquid state, and vaporization, where a liquid changes to a gas state, are two processes that require heat to happen. These phase changes involve absorbing thermal energy to break intermolecular forces holding the particles together.


What phase changes involve the release of heat?

The phase changes that involve a release of heat are those in which the particles move closer together. Thus, freezing is one phase change that involves a release of heat. The other such change is condensation.


Which term is defined as process by which a changes state from solid to liquid?

The term defined as the process by which a substance changes from a solid to a liquid is "melting." It involves adding heat to a solid material to increase its kinetic energy and break the intermolecular forces holding its particles in a fixed position, resulting in the transition to a liquid state.


Heat which is added to a vapor after the change of state occurs is called?

Adding heat to a vapor after the change of state from liquid to vapor has occurred is called super-heating. For example, adding heat to steam at 100 C and 101.325 kPa is called super-heating.


Write 3 differences between chemical and physical change?

Okay now here goes in a physical change no chemical reaction takes place. in chemical change chemical reactions take place. A physical change is reversible but a chemical change is not.In a physical change no new substance is formed(A+B=B) in a chemical change new substances are formed(A+B=C)

Related Questions

What is the name for temperature changes that involve no heat transfer?

Adiabatic processes involve temperature changes that do not involve heat transfer. This means any increase or decrease in temperature is due to internal energy changes within the system, rather than heat being added or removed from the surroundings.


What are two changes of state for water that cause latent heat to be released?

When water vapor condenses into liquid water, latent heat is released. Similarly, when liquid water freezes into ice, latent heat is also released. These changes of state involve the release of latent heat because energy is being released as the water molecules transition to a lower energy state.


Temperature changes are those which do not involve the addition or subtraction of heat?

Adiabatic


What are the reversible effects of adding heat?

The reversible effects of adding heat include changes in temperature, phase transitions (such as melting or boiling), and changes in chemical reactions. These effects can be reversed by removing the heat source or by cooling the system.


How do people change the state of matter?

If the matter is in a liquid state, add heat to turn liquid to vapor. Remove heat to form a solid. If it is in the form of a vapor, remove heat to form a liquid, and remove more heat to form a solid. If it is in the form of a solid, add heat to turn it into a liquid. Add more heat to turn into a vapor.


What causes a change in state?

A change in state can be caused by either adding or removing energy from a substance. For example, adding heat can cause a solid to melt into a liquid, and removing heat can cause a liquid to freeze into a solid. Pressure changes can also cause a substance to change state, such as turning a gas into a liquid by increasing pressure.


What two processes need heat to happen?

Melting, where a solid changes to a liquid state, and vaporization, where a liquid changes to a gas state, are two processes that require heat to happen. These phase changes involve absorbing thermal energy to break intermolecular forces holding the particles together.


Which changes of state should she place in the column titled lose energy?

The changes of state that involve losing energy are condensation (gas to liquid), freezing (liquid to solid), and deposition (gas to solid). These changes require the release of energy, typically in the form of heat, to facilitate the transition.


What are the effects of adding heat and are they reversible?

Adding heat to a substance can cause it to change in various ways, such as melting, boiling, or burning. These changes are usually reversible if the substance is not permanently altered by the heat.


When matter changes from a solid to a liquid what occurred?

You are adding heat/energy. It is melting.


What is the process by which a substance changes from a liquid to a gas by adding heat?

Melting or constapation.


What occurs when matter changes from a solid to a liquid?

You are adding heat/energy. It is melting.