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Elan Coil [88]
3 years ago
14

Explain how are elements classified and provide an example

Chemistry
1 answer:
swat323 years ago
4 0
By nonmetals, metals, and gases
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ACIDIC BEHAVIOR OF SOLUTION

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4 years ago
When the following reaction reached equilibrium at 325 K , the equilibrium constant was found to be 172. When a sample was taken
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Explanation:

K= [N204]/[NO2]^2

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172 *0.2^2

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What is the pressure of 0.5 mol of nitrogen gas in a 5 L container at 203 K
vlada-n [284]

Answer:

=1.666 liters

Explanation:

1 mole of a has at standard temperature and pressure occupies a volume of 22.4 liters.

0.5 moles of nitrogen occupy a volume of (0.5 moles×22.4 dm³/mol)/ 1

=11.2 liters.

Standard pressure= 1 atmosphere (Atm)

Standard temperature = 273.15 Kelvin

According to Combined gas equation, P₁V₁/T₁=P₂V₂/T₂

Let us take the conditions under standard conditions as the reference, with the subscript 1 and the conditions under the 5L container to be scenario 2 with subscript 2.

Therefore P₂ =P₁V₁T₂/T₁V₂

Substituting for the values we get:

P₂= (1 atm× 11.2L ×203K)/ (273K×5L)

=1.666 atm

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