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What are the different changes you observed when solid and liquid materials are mixed?
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Gas changes to liquid at?
there is no particular point which gas changes to liquid, because all substances have different points where gas changes to liquid. Water vapor changes to liquid at 100 degrees Celsius
The point at which a liquid changes to gas?
A substance's boiling point is the temperature at which it changes from a liquid to a gas.
What state of matter changes when you put it into a different container?
liquid
Materials can exist in three different states what are they?
Gas, liquid, solid.
How do you separate a liquid mixture of three different substances when it changes to a solid at different temperature?
by you
Does liquid take up space?
Yes all materials occupy space. Any liquid is no different and also does.
What changes shape when placed in different container?
Any Liquid or Gas
Describe how a solid changes into a liquid and how a liquid changes into gas?
both can be achieved by applying heat and breaking up the formation of the molecules at different levels of applied energy.
Why do you melt iron to make steel?
Steel is iron with added carbon and other materials. For other materials to mix chemically with the iron, it has to be liquid. Melting iron changes it to liquid.
What are the different changes of state?
melting (solid to liquid) freezing (liquid to solid) *vaporization (liquid to gas) condensation (gas to liquid) sublimation (solid to gas) *evaporation, boiling
What are 4 different forms of evidence for a chemical reaction?
Evidences For Chemical ChangeChemical changes produce new substances from starting substances, and distinguishing a chemical change from a physical change is based on detecting new substances in the system being observed. When two or more materials (reactants) are mixed, four easily observed indicators for new materials are:1) formation of a gas from two liquids or a liquid and a solid.2) formation of a solid (precipitate) from two liquids or a gas and a liquid.3) unexpected color change. For example, mixing two colorless liquids and obtaining a color is an unexpected color change but mixing a blue liquid and yellow liquid and obtaining a green liquid is not an unexpected color change.4) dissolving an insoluble solid (precipitate) in a solution. Note, the solution's solvent in this case will not dissolve the solid by itself.Not all chemical reactions exhibit these changes in properties, and evidence for new substances must then be obtained from other observations. Instruments which extend our ability to make observations are often employed to detect such chemical changes.
What happened when you heat materials at high temperature?
Some things that can happen are: * Nothing at all - some materials can resist fairly high temperatures * The material can change its state of matter - usually from solid to liquid, or from liquid to gas * Some materials undergo chemical changes. This can be seen during cooking.
