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navik [9.2K]
3 years ago
15

Why do certain substances dissolve in water and others don't? *

Chemistry
1 answer:
ipn [44]3 years ago
7 0
<h2>Answer: <u><em>Hope this helps</em></u></h2>

Explanation:

<h3><u><em>Why do some substances dissolve in water and others don't? It has to do with the structure of the water molecule. Oxygen has a greater attraction for electrons, so the shared electrons (bonding electrons) spend more time close to oxygen then to either of the hydrogens.</em></u></h3>

<u><em></em></u>

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Buckets of paint can be classified as what type of mixture?
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Answer:

Homogeneous

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What volume of oxygen at STP is requieres for the complete combustion of 100.50 mL of C2H2
malfutka [58]

The volume of oxygen at STP required would be 252.0 mL.

<h3>Stoichiometic problem</h3>

The equation for the complete combustion of C2H2 is as below:

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The mole ratio of C2H2 to O2 is 2:5.

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At STP, 100.50 mL of C2H2 will be:

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Thus, 252.0 mL of O2 gas will be required at STP.

More on stoichiometric problems can be found here: brainly.com/question/14465605

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