This <u>heterogeneous </u>mixture is a suspension of oil and vinegar
A mixture is a physical combination of two or more substances and each of these substances preserves its identity and form in the mixture.
A homogeneous mixture is a mixture in which is one substance thoroughly dissolves in the other and its composition is uniform throughout the solution. e.g salt and water.
A heterogeneous mixture is one in the two substances form two layers and their composition varies throughout the mixture.
From the given information, the mixture of oil and vinegar is an example of a heterogeneous mixture.
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Answer:
The main reason people perspire is that the evaporation of water can cool our bodies. ... Sweat is chemically similar to plasma, but certain components are selectively retained or excreted.
Explanation:
The molecules of a liquid substance are closely packed together to each other. So as a result, liquids are denser than gases.
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What is the difference between the density of liquid and gas?</h3>
A mass of gas will have a much larger volume compared to the same mass of liquid. This is because it has a much lower density. The density of gaseous oxygen is 0.0014 g/cm3. Density is ρ=Mass Volume. We know that gas will uniformly occupy more space than liquid whatever volume is available to it. On the other hand, solids and liquids, are closely packed as compared to gas and are high-density materials where ρ is relatively constant.
So we can conclude that the molecules of a liquid substance are closely packed together with each other. So as a result, liquids are denser than gases.
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Most atoms have three different subatomic particles inside them: protons, neutrons, and electrons. The protons and neutrons are packed together into the center of the atom(which is called the nucleus) and the electrons, which are very much smaller, whizz around the outside. Most of an atom is empty space.
I hope this helps you! :D
