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irakobra [83]
3 years ago
7

Please anser this asap

Chemistry
2 answers:
Fittoniya [83]3 years ago
8 0

Answer:

14 is the 1 st one and the 15 is 3

I am Lyosha [343]3 years ago
4 0
<h2>Answer:</h2><h3>1. both</h3>

An electron in an excited state can release energy and 'fall' to a lower state. When it does, the electron releases a photon of electromagnetic energy. When the electron returns to the ground state, it can no longer release energy but can absorb quanta of energy and move up to excitation states (higher orbitals).

<h3>2. One electron</h3>

An electron will move to the orbital with lowest energy. Each orbital can hold only one electron pair. Electrons will separate as much as possible within a shell.

<em>hope</em><em> </em><em>this</em><em> </em><em>help</em><em>!</em><em> </em><em>Sorry</em><em> </em><em>if</em><em> </em><em>Im</em><em> </em><em>wrong</em><em>. </em>

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oxidation-reduction or redox reaction

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3 years ago
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How many moles of O2 are needed to react completely with 35.0 mol C2h2
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Hey There!:


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2 moles C2H2 ----------- 5 moles O2

35.0 moles C2H2 ------- moles O2


moles O2 = 35.0 * 5 / 2


moles O2 = 87.5 moles


hope this helps!

6 0
3 years ago
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5 0
3 years ago
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