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elixir [45]
2 years ago
11

9. A helium-filled balloon has a volume of 50.0 L at 25°C and 820.8mmHg atm. What pressure will it have

Chemistry
1 answer:
11Alexandr11 [23.1K]2 years ago
6 0

Answer:

b

Explanation:

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drek231 [11]
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4 0
2 years ago
A natural charge by an atom is caused by which of the following conditions?
Lera25 [3.4K]

Answer:

C

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5 0
2 years ago
6 How many moles are in a 321 g sample of magnesium?
Tatiana [17]

Answer:

13.4mol of Mg

Explanation:

Given parameters:

Mass of magnesium = 321g

Unknown:

Number of moles  = ?

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The number of moles of a substance is given as;

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 Insert the parameters and solve;

        Number of moles  = \frac{321}{24}   = 13.4mol of Mg

3 0
2 years ago
What percentage of the total net electricity generated in America each day is
never [62]

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About 50%

Explanation:

7 0
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