A balloon 18.5 m in diameter is inflated with helium 21°C and the atmospheric pressure of98.7 kPa.Calculate the mass of He in the balloon, assuming ideal behavior. Enter your answer in scientific notation

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Q: Determine the density of argon gas at room temperature (25oC) and 100 kPa.

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Q: A balloon contains 30 L of helium gas at 100 kPa. What is the volume when the balloon rises to an…

A: Here given, Initial pressure (P1) = 100 KPa = 0.986923 atm (1 atm = 101.325 KPa) Initial volume (V1)…

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Q: A 160 L kiln is used for vitrifying ceramics. It is currently operating at 1325 °C , and the…

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Q: A 0.479 g sample of nitrogen, oxygen or neon gas occupies a volume of 265 mL at 157 kPa and 20◦C.…

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Q: In a certain laboratory which tests the purity of certain gases, nitrogen was collected over water…

A: given P is 97.30 kPa. v=? T= 23 °C.= 296K

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Q: In a certain laboratory that tests the purity of certain gases, nitrogen was collected over water at…

A: The question is based on the concept of Dalton's law of partial pressure. it  states that total…

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Q: The absolute pressure of an automobile tire is measured to be 300 kPa before a trip and 420 kPa…

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Q: The rate of effusion of an unknown diatomic gas to oxygen is 0.355:1.00. Calculate the molar mass of…

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Q: 1. A vessel of volume 22.4 L contains 2.0 mol H2 and 1.0 mol N2 at 273.15 K. All the H2 that could…

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Q: A reaction occurs, producing an oxide of nitrogen as a gas. the gas has a mass of 1.211g and…

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Q: Calculate to three significant digits the density of dinitrogen monoxide gas at exactly -10 °C and…

A: Given-> T = -10°C = -10 + 273 = 263 K P = 1 atm

Q: the root-mean-square velocity of CO gas at 35 celcius is?

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Q: Express (i) 108 kPa in torr and (ii) 0.975 bar in atmospheres.

A: Given: (i) 108 kPa in torr   (ii) 0.975 bar in atmospheres

Q: Calculate to three significant digits the density of carbon monoxide gas at exactly 15 °C and…

A: Given Temperature (T) = 15oC = 288kPressure (P) = 1atmMolecular mass of CO (M) = 28 g/molusing…

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