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navik [9.2K]
2 years ago
9

What is the volume (in liters) of 1.51 x10^24 molecules of Argon gas at STP?

Chemistry
1 answer:
FromTheMoon [43]2 years ago
5 0

Answer:

Explanation:

The molar volume of a gas at STP (Standard Temperature and Pressure), which is equal to 22.4 liters.

There are 6.02x10^23 molecules in 1 mole of Argon.

So for 1.51x10^24 molecules of Argon, the volume at STP should be

(1.51x10^24 / (6.02x10^23)) * 22.4

= 56.19 liters

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How many atoms are in 8.28 moles of aluminum?
Lilit [14]

Answer:

49.86 × 10²³  atoms of Al

Explanation:

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4 0
3 years ago
The decomposition of hydrogen peroxide follows first order kinetics and has a rate constant of 2.54 x 10-4 s-1 at a certain temp
pav-90 [236]

<u>Answer:</u> The initial concentration of hydrogen peroxide at the given temperature is 0.399 M

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Rate law expression for first order kinetics is given by the equation:

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Putting values in above equation, we get:

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[A_o]=0.399M

Hence, the initial concentration of hydrogen peroxide at the given temperature is 0.399 M

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