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kati45 [8]
3 years ago
10

How is a mixture different from a compound? 1. Particles of a mixture are combined chem2. Components of a mixture can be sepa- r

ated by physical means. 3. Composition of a mixture may be con- stant. 4. Components of a mixture can only be separated chemically.
Chemistry
1 answer:
wariber [46]3 years ago
3 0

Answer:

2. Components of a mixture can be separated by physical means

Explanation:

The Compound is defined as the substances that are chemically combined while mixtures are the substances in which two or more compounds are physically combined together.

The difference between compound and mixture from the given options is that mixture can be separated physically unlike compounds.

In a mixture, two or more compounds can be mixed in any proportion that can be separated by physical means. For example: salt from seawater (mixture) can be separated evaporation and nails from the mixture of sand and iron can be separated through magnetic separation.

Hence, the correct answer is "Components of a mixture can be separated by physical means".

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What is the empirical formula for the following molecular formula: C10H5O2
Tju [1.3M]

The empirical formula is the same as the molecular formula : C₁₀H₅O₂

<h3>Further explanation</h3>

Given

Molecular formula : C₁₀H₅O₂

Required

The empirical formula

Solution

The empirical formula (EF) is the smallest comparison of atoms of compound forming elements.  

The molecular formula (MF) is a formula that shows the number of atomic elements that make up a compound.  

(empirical formula) n = molecular formula  

<em>(EF)n=MF </em>

(EF)n = C₁₀H₅O₂

If we divide by the number of moles of Oxygen (the smallest) which is 2 then the moles of Hydrogen will be a decimal number (not whole), which is 2.5, then the empirical formula is the same as the molecular formula

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3 years ago
If an atom has 3 protons, what is its atomic number?
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Answer:

Atomic Number = 3.

Explanation:

The number of protons determines the atomic number. Basically the number of protons is the exact same as the atomic number.

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What is the total volume of solution that was dispensed from this burette?
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