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Please answer ALL 3 questions and provide explanations :) 4. A given mass of oxygen at...

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Chemistry

Please answer ALL 3 questions and provide explanations :)

4. A given mass of oxygen at room temperature occupies a volumeof 500.0 mL at 1.50 atm pressure. What will be the pressure if thevolume is reduced to 150.0 mL?

5. Gases are sold in large cylinders for laboratory use. Whatpressure, in atmospheres, will be exerted by 2,500 g of oxygen gas(O2) when stored at 22°C in a 40.0 L cylinder?

6. Consider the following reaction at STP:

CuO(s) +H2(g) -> Cu(s) + H2O(g)

If 40.0 g of CuO react with an excess of H2, how manyliters of H2O will be produced?

Answer & Explanation Solved by verified expert
3.6 Ratings (476 Votes)
4 from ideal gas equation P1V1 P2V2 P1 15 atm V1 500 ml P2 v2 150 ml 50015 P2150 P2 5 atm    See Answer
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