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Volgvan
3 years ago
8

Can you tell whether a substance is a mixture, compound, or element

Chemistry
1 answer:
Mama L [17]3 years ago
8 0
Yes, you can!



Hope this helped you, brainliest much needed and appreciated! Have a wonderful day!:)
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What is the weakness of particle theory?
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The particle model does not take into account: the size and shape of particles. the space between particles.

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Ethanol had a boiling point of 78.4°C. Propane has a boiling point of -42°C. Suggest why.​
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Chemical compounds all have different melting points.

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chemical compounds all have different freezing and boiling points. Different chemical compounds means they will have different chemical structures.

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What is the electron configuration of an element with atomic number 20? A. 1s2 2s2 2p6 3s2 3p5 B. 1s2 2s2 2p6 3s2 3p6 C. 1s2 2s2
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Compare and contrast the functions of each of the following types of flasks: filter, Erlenmeyer, volumetric. (Site 2)
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While the Erlenmeyer flask also called as a conical flask, is a titration flask which consists of a conical body, a flat bottom, and round neck. This is used for used for general uses such as mixing, titrations, preparation of cultures, for recrystallization, and for supporting filter funnels.

<span>Lastly, the Volumetric flasks are graduated flasks which having markings for different volumes. They are calibrated accurately for a specific amount of liquid that can be contained in it hence this is specially used for storing precise amounts of liquid. </span>
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