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erastova [34]
3 years ago
13

What can not be separated easily or, sometimes at all

Chemistry
1 answer:
BabaBlast [244]3 years ago
8 0
Pure Substances cannot be separated easily or, sometimes at all.

I hope this is the answer you were looking for and that it helps!! :)
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C3H8 + 5O2 3CO2 + 4H2O
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Answer:

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Explain how the atoms of one element differ from those of another element. explain how the atoms of one isotope differ from thos
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The atoms of element differ from each other based on the number of protons or electrons they have. The number of protons or electrons is called the atomic number of an element which serves as its original identity.

<span>Now, an isotope of an element differs in their number of neutrons but the number of protons or electrons are similar.</span>

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Which is a polar molecule?
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A polar molecule is when the arrangement of the atoms in molecules are unequal where one end of the molecule has a positive charge while the other end has a negative charge. Examples of a polar molecule are water, ammonia, hydrogen sulfide and sulfur dioxide. The opposite is called a nonpolar molecule. 
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4 years ago
What is the mass of 18.8 moles of helium (He) atoms?
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Which methods could be used to dilute a solution of sodium chloride (NaCl)? Select all that apply.
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Answer:

NaOH₂2CO3

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