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1) A sample of He has a volume of 0.180 L, a pressure 0.800 atm and...

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Chemistry

1)A sample of He has a volume of 0.180 L, a pressure 0.800 atm and atemperature of 302 K. At what temperature (K) will the He have avolume of 90.0 mL and a pressure of 3.20 atm. (Hint: Combined GasLaw)

Reasoning:

Solution:

2) A cylinder contains 5.0 L of oxygen gas at 20.0 OC and0.850 ATM. How many grams of oxygen are in the cylinder? (Hint:Ideal Gas Law)

Reasoning:

Solution:

Please show all work! Please and thank you!


Answer & Explanation Solved by verified expert
3.9 Ratings (521 Votes)
1 We know that PV nRT Where T Temperature P pressure n No of moles R gas constant V Volume of the gas As the gas remains the same n will    See Answer
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