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How much heat must be removed from steam to change it to a liquid?
The amount of heat that must be removed from steam to change it to a liquid is the latent heat of vaporization of water, which is approximately 2260 kJ/kg at atmospheric pressure. This is the amount of energy required for water to change from a gas to a liquid state at a constant temperature.
Is production of steam a chemical or physical change?
The change from liquid water to steam is a physical change in the state of matter. Evaporation is the term for a liquid becoming a gas.
Why liquid water changing into steam is a physical not a chemical change?
The steam when cooled changes back to liquid water. A chemical change is usually not so reversible.
How can you change a liquid to a vapor?
boil it ! steam is vapourised water.
What must you do to steam to change it into water?
Cool it!
Water changing to steam is an example of what kind of change?
Water changing to steam is an example of a physical change, specifically a phase change from liquid to gas. This change is reversible as the steam can condense back into water under certain conditions.
How do you change state from a gas to a liquid?
Change in temp from gas/steam to cooler temps creates moisture into liquid molecules/condensation
WHAT DO YOU CALL THE CHANGE FROM STEAM OR WATER VAPOR BACK TO LIQUID?
The change from steam or water vapor back to liquid is called condensation. This process occurs when the vapor cools down and turns into liquid droplets due to a decrease in temperature.
The process of steam condensing to form liquid water is?
The process of steam condensing to form liquid water involves the transfer of heat energy from the steam to the surrounding cooler environment. As the steam loses heat, its temperature decreases and it undergoes a phase change from gas to liquid. This results in the formation of liquid water droplets.
What change is observed in the appearance of liquid after aeration?
The appearance of a liquid after aeration can be a gas or steam form. The liquid becomes aerated and thins out.
Is steam condensing on a mirror a physical change?
Yes, steam condensing on a mirror is a physical change. It involves the change of state from gas (steam) to liquid (water) without any chemical reaction taking place.
Why steam condensing is physical change?
Steam condensing is considered a physical change because it involves a change in the state of matter (from gas to liquid) without a change in the chemical composition of the substance. The molecules in the steam lose energy and come closer together to form liquid water, but they remain the same H2O molecules.
