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When substances go directly from the solid phase to the gas phase the phase change is called?
sublimation
What are clues that a chemical reaction has taken place A Formation of a gas B Constant temperature C Steam D Change in color?
A) Formation of a gas: Bubbles or fizzing can indicate the release of a gas during a chemical reaction. C) Steam: The presence of steam may indicate that water is being formed as a product of the reaction. D) Change in color: A noticeable change in color of the substances involved can suggest a chemical reaction has occurred.
What is the phase in which substances change directly from a solid to a gas?
i would assume that sublimation,solid to gas,would be the same answer when going from a gas to a solid.
What is the changing state of phase?
The change of phase or state is when a liquid, gas, or solid change its form! liquid can turn into a solid (ice) or a gas (steam). Gas can turn into a liquid (water).But there are some exceptions to this rule , such as dry ice. Dry ice turns directly into a gas.
Is steam condensing on a window chemical or physical change?
The condensation of steam on a window is a physical change. This process involves the transition of water vapor (steam) into liquid water as it cools upon contact with the cold surface of the window. No new substances are formed; instead, the water simply changes its state from gas to liquid.
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.
What is the change of state directly form solid to gas or from gas to solid?
The change of state directly from solid to gas is called sublimation, and the change from gas to solid is called deposition.
Is dry ice smoking at a concert is a physical or chemical change?
The process of dry ice sublimating, or turning directly from a solid to a gas, is a physical change. No new substances are formed, just a change in the physical state of the dry ice from solid to gas.
Is iodine becomes a purple gas a chemical change?
Yes, iodine becoming a purple gas is a physical change, not a chemical change. A chemical change involves the formation of new substances with different chemical properties, whereas in this case, the iodine is just changing its physical state from solid to gas without forming any new substances.
Is heat changing H2o to steam a physical or chemical change?
The change of water to steam is a physical change, not a chemical change. In this case, the water molecules are simply gaining enough energy to break free from their liquid state and form a gas. No new substances are formed in this process.
What kind of state of matter is steam?
It is a gas, assuming you are talking about dry steam. If it is wet steam, it is both a gas and a liquid.
Is water evaporating into steam chemical or physical change?
It's a physical change because no new substances are formed, the molecules simply get further apart.
