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aliina [53]
3 years ago
8

Given the balanced equation representing a reaction: 4Al(s) 3O2(g) → 2Al2O3(s) As the aluminum loses 12 moles of electrons, the

oxygen (1) gains 4 moles of electrons (2) gains 12 moles of electrons (3) loses 4 moles of electrons (4) loses 12 moles of electrons
Chemistry
1 answer:
S_A_V [24]3 years ago
8 0
The answer is (2) gains 12 moles of electrons. In every chemical reaction, the electrons will not be destroyed or created, it will only transfer. So the Al loses electrons, the oxygen needs to gain the same amount of electrons.
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mash [69]

Answer:

limiting reactant started with/limiting reactant needed=

= 3.5 mol/3.5 mol=1:1

Explanation:

                                       2H2 +   1 O2 ---> 2 H2O

from reaction                 2 mol      1 mol

given                              3.5 mol    2.5 mol

needed                          3.5 mol    1.75 mol

Excess reactant O2, Limiting reactant H2.

Limiting reactant will be used completely.

So,  limiting reactant started with/limiting reactant needed=

= 3.5 mol/3.5 mol=1:1

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3 years ago
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Answer:

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