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kumpel [21]
3 years ago
14

What is the change in energy ?e of the hydrogen atom as the electron makes the transition from the n=3 energy level to the n=1 e

nergy level?
Chemistry
1 answer:
Contact [7]3 years ago
5 0
The change in energy is is  known as work-energy
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Two moles of magnesium (Mg) and five moles of oxygen (O2) are placed in a reaction vessel. When magnesium is ignited, it reacts
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Explanation:

Two moles of magnesium (Mg) and five moles of oxygen (O2) are placed in a reaction vessel. When magnesium is ignited, it reacts with oxygen. What is the limiting reactant in this experiment?

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first, balance the equation

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but we have 2 moles of magnesium atoms and 2X5 = 10 moles of oxygen atoms

the lesser magnesium LIMITS the amount of product we can make, so it is the LIMITING REAGENT.

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