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vovangra [49]
3 years ago
5

What can you predict about the properties of xenon and helium, both in group 18 in the periodic table? why?

Chemistry
1 answer:
elixir [45]3 years ago
4 0
They are very stable. they have a "full table" so to speak. they have no valance electrons. they do not give electrons and they do not take them either. there are very few if an elements that can be paired with noble gasses
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How many moles of oxygen are necessary to generate 28 moles of water, according to the following equation: 2H2+O2→2H2O
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The number of moles of oxygen required to generate 28 moles of water from the reaction is 14 moles

<h3>Balanced equation </h3>

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From the balanced equation above,

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<h3>How to determine the mole of oxygen needed </h3>

From the balanced equation above,

2 moles of water were obtained from 1 mole of oxygen

Therefore,

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Thus, 14 moles of oxygen are needed for the reaction

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