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What characteristic property of two liquids must differ if a mixture of them is to be separated by fractional distillation?
The boiling points of the two liquids must differ in order to be separated by fractional distillation. This technique relies on heating the mixture to separate the components based on their boiling points. The greater the difference in boiling points, the more effective the separation will be.
What are pure liquids and how do they differ from other types of liquids?
Pure liquids are substances that consist of only one type of molecule, such as water or ethanol. They differ from other types of liquids, like solutions or mixtures, because they do not contain any other substances mixed in. This means that pure liquids have a consistent composition and properties throughout, unlike mixtures which can vary in composition and properties.
In what ways do mixtures differ from solutions, and how can these differences be identified?
Mixtures differ from solutions in that mixtures are composed of different substances that are physically combined, while solutions are homogeneous mixtures where the substances are evenly distributed at a molecular level. These differences can be identified by observing the uniformity of the mixture - if the components are visibly separate, it is a mixture, whereas if the components are evenly mixed and cannot be distinguished, it is a solution.
What is the boiling point of heavy water and how does it differ from the boiling point of regular water?
The boiling point of heavy water is 101.4 degrees Celsius, which is slightly higher than the boiling point of regular water, which is 100 degrees Celsius. This difference is due to the heavier isotopes of hydrogen in heavy water, which require more energy to reach the boiling point.
What are some examples of low density liquids and how do they differ from high density liquids?
Low density liquids include substances like gasoline, alcohol, and oil. These liquids have fewer particles packed closely together, resulting in a lower mass per unit volume compared to high density liquids like water or mercury. This means that low density liquids are lighter and less dense, making them float on top of high density liquids.
What characteristic property of two liquids must differ if a mixture of them is to be separated by fractional distillation?
The boiling points of the two liquids must differ in order to be separated by fractional distillation. This technique relies on heating the mixture to separate the components based on their boiling points. The greater the difference in boiling points, the more effective the separation will be.
How does the boiling behavior of pure substance like distilled water differ from that of its mixture like seawater?
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Which mixture would be easier to separate by distillation a mixture of pentane and octane or a mixture of pentane and a branched-chain octane isomer Explain your reasoning?
The mixture of pentane and octane would be easier to separate by distillation because these two compounds have a larger difference in boiling points compared to pentane and a branched-chain octane isomer. The branched-chain octane isomer would likely have a boiling point closer to that of pentane, making it more challenging to separate by distillation due to their closer boiling points.
What is in a heterogeneous mixture?
A mixture of things that differ in some way.
How do differ boiling and melting?
Boiling - is turning a liquid into a gas. Melting is turning a solid into a liquid.
How does a heterogeneous mixture differ than a homogeneous mixture?
Its non uniform.
How do liquids with a high viscosity differ from a liquids with a low viscosity?
Because liquids with a high viscosity flow slowly as to where a liquid with a low viscosity flow quickly
What are pure liquids and how do they differ from other types of liquids?
Pure liquids are substances that consist of only one type of molecule, such as water or ethanol. They differ from other types of liquids, like solutions or mixtures, because they do not contain any other substances mixed in. This means that pure liquids have a consistent composition and properties throughout, unlike mixtures which can vary in composition and properties.
In what ways do mixtures differ from solutions, and how can these differences be identified?
Mixtures differ from solutions in that mixtures are composed of different substances that are physically combined, while solutions are homogeneous mixtures where the substances are evenly distributed at a molecular level. These differences can be identified by observing the uniformity of the mixture - if the components are visibly separate, it is a mixture, whereas if the components are evenly mixed and cannot be distinguished, it is a solution.
Why molasses has a higher viscosity than water?
BECAUSE LIQUIDS DIFFER IN VISCOSITY'S liquids flow more easily than others.
How does heterogenous mixture differ from a homogenous mixture?
A heterogeneous is the "least mixed!" & a homogeneous is the "well mixed!"
How do the separation techniques for a solution and a mixture differ?
To separate the properties of a solution you have to heat it up to distill the liquid, leaving behind the other substance. However , to separate a mixture you have to use a sieve or filtration paper or other physical methods.
