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vaieri [72.5K]
3 years ago
6

How many moles of an ideal gas would occupy a 400.0 liter container when the temperature is 300.0 K and the pressure is 2.20 atm

?
Chemistry
1 answer:
frosja888 [35]3 years ago
8 0
Use the Ideal gas equation (PV=nRT) to find the number of moles of your ideal gas, but before doing anything, sort out the units of the given quantities.
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Study the graph in Figure 6.32 and answer to these questions. (see attached image)
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Hey there :)

We can see that the solubility of salt increases with increasing temperature. This happens with most substances.

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Read 2 more answers
When iron metal reacts with oxygen, the reaction can form Fe2O3. Write a balanced chemical equation for this reaction, and find
I am Lyosha [343]
<h3>Answer:</h3>

Balanced equation: 4Fe + 3O₂ → 2Fe₂O₃

Moles of oxygen gas = 9 moles

<h3>Explanation:</h3>

To answer the question;

  • We first write the balanced equation between iron metal and Oxygen
  • The balanced equation is given as;

4Fe + 3O₂ → 2Fe₂O₃

  • We are given 6 moles of Fe₂O₃

We are required to determine the number of moles of oxygen needed to form 6 moles of Fe₂O₃.

  • From the equation, 3 moles of oxygen gas reacts to produce 2 moles of Fe₂O₃
  • This means, the mole ratio of O₂ to Fe₂O₃ is 3 : 2

Therefore; Moles of O₂ = Moles of Fe₂O₃ × 3/2

Hence, moles of oxygen = 6 moles × 3/2

                                         = 9 moles

Thus, Moles of Oxygen needed is 9 moles

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