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svet-max [94.6K]
3 years ago
8

What force pulled the solar system together out of a cloud of gas and dust

Chemistry
1 answer:
REY [17]3 years ago
8 0
Gravity
Approximately 4.5 billion years ago, gravity pulled a cloud of dust and gas together to form our solar system.
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Ty for anyone helping!
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Which is radioactive decay
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2 years ago
What is the percentage composition of each element in hydrogen peroxide, H2O2?
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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)

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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).

8 0
2 years ago
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Worth many points (timed test)
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2.335 J/g*degrees celcius

Explanation:

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