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A combination of substances in which the appearance and properties are the same throughout?
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What are facts about pure substances?
cannot be separated into 2 or more substances by physical or mechanical meansis homogeneous, ie, has uniform composition throughout the whole sampleits properties are constant throughout the whole sampleits properties do not depend on how it is prepared or purifiedhas constant chemical composition
What is a homogeneous mixture two or more substances uniformly spread throughout a single phase?
Homogeneous Mixture is a combination of two like substances.
Is a mixture a physical orchemical reaction?
a mixture is a physical reaction because, by definition, a mixture is the combination of 2 or more substances and they maintain their chemical properties. For example putting food dye in water is a mixture because although it looks like a color change (clear to colored) it is merely the dye molecules diffusing throughout the water while maintaining their chemical properties.
What is a solution of two or more metals with properties of its own?
alloy:is a mixture or metallic solid solution composed of two or more elementsorhomogeneous mixture:a mixture in which all all of the individuals substances are evenly mixed throughout; a solution
What is a mixture of substances that is the same throughout and cannot be separated easily?
homogenous
What are facts about pure substances?
cannot be separated into 2 or more substances by physical or mechanical meansis homogeneous, ie, has uniform composition throughout the whole sampleits properties are constant throughout the whole sampleits properties do not depend on how it is prepared or purifiedhas constant chemical composition
Is wet sand a mixture?
YES! Sand is a mixture. Sand is classified as a heterogeneous mixture because it does not have the same properties, composition, and appearance throughout the mixture. A homogeneous mixture has a uniform mix throughout.
A mixture in which pure substances are unevenly distributed throughout the mixture?
A type of mixture in which different materials are spread out unevenly is known as a heterogeneous mixture. It is a combination of substances with no uniform composition or properties.
What is a homogeneous mixture two or more substances uniformly spread throughout a single phase?
Homogeneous Mixture is a combination of two like substances.
What are the key differences between solutions and mechanical mixtures?
Mechanical mixture: Do not have the same appearance throughout. They are heterogeneous. Mechanical mixtures are also called heterogeneous mixtures. This means that they are made up of many different substances, each with different appearances and properties. Solution: Appears to be the same throughout a sample, but are made up of two or more substances. When you mix one substance in another to form a solution, you dissolve one substance in the other. All solutions are homogeneous mixtures because they look the same throughout even though they are made up of different substances.
Is a mixture a physical orchemical reaction?
a mixture is a physical reaction because, by definition, a mixture is the combination of 2 or more substances and they maintain their chemical properties. For example putting food dye in water is a mixture because although it looks like a color change (clear to colored) it is merely the dye molecules diffusing throughout the water while maintaining their chemical properties.
What best describes the different between a mixture and a pure substance?
A mixture has different properties throughout; a pure substance has the same properties throughout.
Pure substance definition?
A pure substance:cannot be separated into 2 or more substances by physical or mechanical meansis homogeneous, ie, has uniform composition throughout the whole sampleits properties are constant throughout the whole sampleits properties do not depend on how it is prepared or purifiedhas constant chemical composition
A mixture in which the composition and appearance is unform throughout is?
homogeneous
What is a solution of two or more metals with properties of its own?
alloy:is a mixture or metallic solid solution composed of two or more elementsorhomogeneous mixture:a mixture in which all all of the individuals substances are evenly mixed throughout; a solution
What is a matter with identical properties throughout?
merinars test?
What is a body of air with the same properties throughout?
Air mass.
