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Gekata [30.6K]
4 years ago
7

Which element is represented by the following Bohr model? * p = 11 n 12

Chemistry
1 answer:
den301095 [7]4 years ago
8 0

Answer:

A sodium atom.

Explanation:

A sodium atom contains 11 protons and 12 neutrons and its mass is 23.

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If 2.32 moles of iron react with excess oxygen gas, how many moles of Fe2O3 can be produced?
bearhunter [10]

Moles Fe₂O₃ produced : 1.16 moles

<h3>Further explanation</h3>

Given

2.32 moles of iron

Required

moles of Fe2O3

Solution

The reaction coefficient in a chemical equation shows the mole ratio of the reacting compounds (reactants and products)

Reaction

4 Fe + 3 O₂ ⇒  2 Fe₂O₃

From the equation, mol ratio Fe : mol Fe₂O₃ = 4 : 2, so mol Fe₂O₃ :

= 2/4 x mol Fe

= 2/4 x 2.32

= 1.16 moles

7 0
3 years ago
Why is the bermuda triangle deadly? or is it just a myth?
Veseljchak [2.6K]

Answer:

Its neither a myth nor deadly

Explanation:

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5 0
2 years ago
question #5: corals are sensitive to temperature . if temperatures are raised , it will cause the coral to bleach . what does bl
larisa86 [58]

Answer:

coral bleaching is when the temperature of the water changes (even slight changes in temperature effect coral) and the coral reacts negatively to it causing it to die. unfortunately corals cannot recover once they have been bleached.  

3 0
3 years ago
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Electronic configuration for Cr, Cu, Cr+2, Cu+2, Mn+2
Zanzabum
Chromium (Cr): 2, 8, 8, 6
Copper (Cu): 2, 8, 8, 11
Chromium+2 (Cr+2): 2, 8, 8, 4 (if the ion retains a positive charge then the amount of electrons will decrease)
Copper+2 (Cu+2): 2, 8, 8, 9
Manganese+2 (Mn+2): 2, 8, 8, 5
8 0
4 years ago
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Which words describe an air mass likely to be over the northern parts of the Pacific Ocean? wet and cold, warm and dry, cold and
liubo4ka [24]

Over the northern parts of the Pacific Ocean, the Maritime Polar air mass exists. This means that the air mass likely to be over the northern parts of the Pacific Ocean would be wet and cold.

6 0
4 years ago
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