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Sidana [21]
3 years ago
14

Stable electron configurations are likely to contain ____.

Chemistry
2 answers:
Serjik [45]3 years ago
7 0

1. B.  Orbital Shape

2. C.  counterclockwise

3. D.  Electrons enter orbitals of lowest energy first

4. C. 6

5. C. 2

6. A. Filled energy sublevels

luda_lava [24]3 years ago
3 0

filled energy sub levels. i took test and got it correct

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What is the percentage composition of each element in hydrogen peroxide, H2O2?
Degger [83]

Answer:

The percentage composition of each element in H2O2 is 5.88% H and 94.12% O (Option D).

Explanation:

Step 1: Data given

Molar mass of H = 1.0 g/mol

Molar mass of O = 16 g/mol

Molar mass of H2O2 = 2*1.0 + 2*16 = 34.0 g/mol

Step 2: Calculate % hydrogen

% Hydrogen = ((2*1.0) / 34.0) * 100 %

% hydrogen = 5.88 %

Step 3: Calculate % oxygen

% Oxygen = ((2*16)/34)

% oxygen = 94.12 %

We can control this by the following equation

100 % - 5.88 % = 94.12 %

The percentage composition of each element in H2O2 is 5.88% H and 94.12% O (Option D).

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3 years ago
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Which of these elements does not exist as a diatomic molecule? (1 point)?
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What are the elements so i can help?????
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3 years ago
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Does this sound catchy or invite you to read more? "GMOs and pesticides are general amongst farmers for generations and should n
siniylev [52]

Answer:

It sounds fine, but it may be a bit too long. It's difficult to shorten things like this, but getting more straight to the point would give it that "catchy" feel.

Explanation:

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3 years ago
Which of the following acts as a catalyst in your body? A. Sweat B. Enzymes C. Blood cells D. Sugar
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The answer is B. Enzymes.

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3 years ago
Write balanced equations that describe the following reactions. (Use the lowest possible coefficients. Use the pull-down boxes t
Gnesinka [82]

Answer :  The balanced chemical reaction will be:

HBrO_4(aq)+H_2O(l)\rightarrow H_3O^+(aq)+BrO_4^-(aq)

Explanation:

Balanced chemical reaction : It is defined as the reaction in which the number of atoms of individual elements present on reactant side must be equal to the product side.

As we know that perbromic acid is considered a strong acid that means it will completely dissociate in water.

The balanced chemical reaction will be:

HBrO_4(aq)+H_2O(l)\rightarrow H_3O^+(aq)+BrO_4^-(aq)

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3 years ago
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