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zhuklara [117]
2 years ago
10

A cylinder of compressed gas has a volume of 350 ml and a pressure of 931 torr. What volume in Liters would the gas occupy if al

lowed to escape into a balloon at a pressure of 113 kPa if temperature and # of molecules remain constant?
Chemistry
1 answer:
hodyreva [135]2 years ago
3 0

Answer:

0.384\ \text{L}

Explanation:

P_1 = Initial pressure = 931 torr = 931\times \dfrac{101.325}{760}=124.12\ \text{kPa}

P_2 = Final pressure = 113 kPa

V_1 = Initial volume = 350 mL

V_2 = Final volume

From the Boyle's law we have

P_1V_1=P_2V_2\\\Rightarrow V_2=\dfrac{P_1V_1}{P_2}\\\Rightarrow V_2=\dfrac{124.12\times 350}{113}\\\Rightarrow V_2=384.44\ \text{mL}=0.384\ \text{L}

The volume the gas would occupy is 0.384\ \text{L}.

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6 0
3 years ago
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3 0
3 years ago
What is the pOH of a solution of HNO3 that has [OH-] = 9.50 10-9 M?
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Answer:

The pOH of HNO₃ solution that ha OH⁻ concentration 9.50 ×10⁻⁹M is 8.

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The mass of nitrogen in the second sample is 23.33 g.
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