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Ira Lisetskai [31]
3 years ago
8

Calculate the number of atoms of argon in 75.0 L of argon at STP. ?????

Chemistry
1 answer:
charle [14.2K]3 years ago
5 0
Quero pontos mesmo veu que cu descylapa moçe
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squeezing syringes contain gas

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Explain why neon is monatomic but chlorine is diatomic.
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Chlorine is a halogen and all halogens and oxygen, nitrogen and hydrogen are diatomics
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2.600 * 10 ^ - 5 * 6.100 * 10 ^ - 5 Express in scientific notation
Anna [14]

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hope its help you

Explanation:

2.600 × 10^-5 × 6.100 × 10^-5 = 1.586 × 10-9

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TRUE OR FALSE?<br><br> Solvents are the component in solutions with highest percent composition
mario62 [17]

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True

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I think this is a helpful for you

3 0
2 years ago
Suppose that a solution is tested for NO2 ion by adding 3M H2SO4 and heating, repeating this process until no further reaction o
Arada [10]

Answer:

The correct equation will be "[Fe(H2O)5]²⁺ + NO → Fe(H2O)5NO]²+ (brown ring) ".

Explanation:

For NO₂, the addition of H₂SO₄ forms HNO₂ comprising NO gas as well as HNO₂, the equation will be:

⇒  NO₂⁻ + 2H⁺ →  HNO2

⇒  HNO₂ + H₂O + H⁺  →  HNO₃ + NO

For NO₃⁻,

NO₃⁻, Fe₂+ oxidized to Fe₃ + then releases NO gas in the existence of H₂SO₄

⇒  3Fe₂⁺ + 4H⁺ + NO₃⁻  →  3Fe₃⁺ + NO + 2H₂O

Brown ring forming establishes NO3- presence in the initial test sample,

⇒  [Fe(H2O)5]²⁺ + NO  →  Fe(H2O)5NO]²+ (brown ring)

8 0
2 years ago
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