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Levart [38]
3 years ago
10

Does the model correctly represent the electron dot diagram of magnesium? Why or why not? Check all that apply.

Chemistry
2 answers:
Ugo [173]3 years ago
5 0

Answer:

1 and 3

Explanation:

Firlakuza [10]3 years ago
4 0

Answer: A and B or 1 and 3

Explanation:

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2Al + 6HCl → 2AlCl3 + 3H2
Nadya [2.5K]

Answer: The reaction produces 2.93 g H₂.

M_r:                        133.34  2.016

       2Al + 6HCl → 2AlCl₃ + 3H₂

Moles of AlCl₃ = 129 g AlCl₃ × (1 mol AlCl₃/133.34 g AlCl₃) = 0.9675 mol AlCl₃

Moles of H₂ = 0.9675 mol AlCl₃ × (3 mol H₂/2 mol AlCl₃) = 1.451 mol H₂

Mass of H₂ = 1.451 mol H₂ × (2.016 g H₂/1 mol H₂) = 2.93 g H₂

Explanation:

6 0
3 years ago
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Aneli [31]

Answer:

B

Explanation:

7 0
3 years ago
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zmey [24]
It is the chlorophyll/chloroplast. The chlorophyll is the color
4 0
4 years ago
In plant cells, how are chloroplasts and mitochondria related?
m_a_m_a [10]

Answer:

They are very similar because they both are very important for the sustenance of the cell. Both also help to provide energy for the cell, Chloroplasts can make its own food through photosynthesis and the mitochondria helps to break down the energy.

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3 years ago
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Wewaii [24]

Answer:

convolutions.

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