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What is the term for matter having indefinite composition and variable properties?
The term for matter having indefinite composition and variable properties is a mixture. Mixtures can be homogeneous (uniform composition) or heterogeneous (non-uniform composition).
What is part of a system having uniform composition and properties?
A homogeneous system is part of a system with uniform composition and properties, where the components are evenly distributed and indistinguishable at a macroscopic level. Examples include a well-mixed solution or a single-phase alloy.
A chemical combination of two or more substance in variable proportions is called?
A chemical combination of two or more substances in variable proportions is called a mixture. Mixtures can be either homogeneous (uniform composition throughout) or heterogeneous (non-uniform composition).
Is methane gas homogeneous or heterogeneous?
Methane gas is homogeneous because it is a single phase mixture where the composition is uniform throughout.
What cannot possibly have a variable composition?
Nonstoichiometric compounds have a variable composition.
What is variable composition?
I am not 100% sure, but i believe variable composition is when the composition of a mixture can vary, or contain different properties, elements/compounds... etc. An example of variable composition would be a heterogeneous mixture, which has no uniform way of being composed. Where as its opposite, a homogeneous mixture, has a set composition of the same properties, elements/compounds... etc. and can be recreated.
What is a mixture with a uniform composition?
A mixture whose composition is uniform throughout is called Homogeneous Mixture.
Does a heterogeneous mixture is one that has a completely uniform composition?
no, heterogeneous mixtures are not uniform, homogeneous mixtures have a fully uniform composition.
Why is tea a homogeneous?
Tea is a homogeneous mixture because when brewed, it forms a single, uniform phase where the components (water, tea leaves, etc.) are evenly distributed throughout. This results in a mixture with uniform properties and composition throughout.
Is 14-k gold homogeneous or heterogeneous?
14-karat gold is considered homogeneous because it is a single phase alloy, with a uniform composition throughout the material.
What are the following will exhibit a homogeneous mixture?
Salt dissolved in water, air, and vinegar are examples of homogeneous mixtures because they have uniform composition throughout and appear as a single phase.
What is the variance for the uniform random variable?
the variance of the uniform distribution is (a+b)/12
