The molecular diameter of CÓ is 3.19 x1 08 cm. At 295 Kelvin and a pressure of100 mm Hg, the number of molecules colliding is 2.23 x 1027 per cubic centimeterper second, the number of bimolecular collisions is 1.12 x 1027 , and the mean freepath of the gas is 686 nm. For a pressure of 200 torr and a temperature of 295Kelvin, determine (a) the number of molecules colliding per cubic centimeter persecond, (b) the number of bimolecular collisions, and (c) the mean free path of thegas. How pronounced is the effect of the pressure on the quantities sought? Showyour answer in terms of percent difference.

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Answered: The molecular diameter of CO is 3.19 x1…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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5. A student conducts a laboratory investigation of anaerobic respiration. The student places 10.0 g of glucose in a yeast solution in a small flask with an uninflated balloon over the top of the flask as shown below. The experiment is conducted at a temperature of 45°C and a pressure of 1.0 atm. After 10 minutes the student estimates the volume of the balloon to be 550 mL.
Helium-neon lasers emit very high spectral purity red light at a wavelength of 632.8 nm, and were used in LaserDisc players and supermarket checkout barcode scanners. A large-cavity He-Ne laser has a volume of 0.785 L, and is filled with a mixture of 90.0% helium and 10.0% neon at a pressure of 1.00 torr. What is the mass of helium (in mg) in this laser at 25.0 °C? (760 torr = 1 atm)
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(a) A piston at 2.6 atm contains a gas that occupies a volume of 3.5 L. What pressure would have to be placed on the piston to force the volume to adjust to 1.07 L? (b) A piston at 111.0\deg C contains a gas that occupies a volume of 2.5 L. To what temperature would the gas have to be heated to increase the volume to 7.3 L at constant pressure? (c) A piston at 8545 torr contains a gas that occupies a volume of 4.7 L. What pressure would have to be placed on the piston to force the volume to adjust to 0.47 L?
At a certain temperature 65.2 mL of air, which is approximately 78% nitrogen, 21% oxygen and 1% argon, has a pressure of 105.3 KPa. Determine the pressure needed to compress this amount of air to a volume of 37.4 mL at constant temperature.
There's 754.0 torr in the sealed chamber with the mouse inside. This compartment has enough solid KOH to absorb the mouse's CO2 and H2O. This chamber's gas volume is precisely 2.00 L, and the temperature is maintained at 295 K at all times. The bottle's internal pressure drops to 717.4 torr after two hours. Just how much oxygen has the mouse sucked up so far?
A sample of O, with a pressure of 1.31 atm and a volume of 243 mL is allowed to react with excess SO, at 101 °C. 2 so, (9) + 02 (g) 2 so, (g) Calculate the pressure of the SO3 produced in the reaction if it is transferred to a 1.08-L flask and cooled to 38 °C. atm A mixture of methane and xenon gases, in a 8.56 L flask at 79 °C, contains 3.51 grams of methane and 25.7 grams of xenon. The partial pressure of xenon in the flask is atm and the total pressure in the flask is atm. According to the ideal gas law, a 0.9717 mol sample of nitrogen gas in a 1.280L container at 266.1 K should exert a pressure of 16.58 atm. By what percent does the pressure calculated using the van der Waals' equation differ from the ideal pressure? For N2 gas, a = 1.390 L²atm/mol? and b = 3.910x102 L/mol. It is desired to inflate a baggie with a volume of 894 milliliters by filing it with oxygen gas at a pressure of 0.526 atm and a temperature of 276 K. How many grams of C needed? Submit Answer 2 question…
What height of water (in meters) is necessary to measure a pressure of 760 mm Hg? The density of mercury is 13.79 g/cm3, and the density of water is 1.00 g/cm3.
Imagine that you have an ideal gas in a 4.40 LL container, and that 2350 molecules of this gas collide with a square-inch area of the container at any given instant. If the volume is increased to 26.4 LL at constant temperature, how many collisions will occur per square inch of this larger container? what is the number of collisions per square inch.
In some aquatic ecosystems, nitrate (NO3) is converted to nitrite (NO2 ), which then decomposes to nitrogen and water. As an example of this second reaction, consider the decomposition of ammonium nitrite: NH,NO, (aq) → N,(g) + 2H,0(1) 7th attempt See Periodic Table O See Hint What would be the change in pressure in a sealed 10.0 L vessel due to the formation of N2 gas when the ammonium nitrite in 1.60 L of 1.50 M NHẠNO2 decomposes at 25.0°C? atm
At 26.0 °C and a pressure of 762 torr, a gas was found to have a density of 1.73 g L-1. Calculate its molar mass.
15. A student collected 18.45 ml of H2 over water at 24°C. The pressure of the water vapor at this temperature is 22.81 torr. The barometric pressure was 746 torr. How many grams of zinc had to react with HCI(aq) to produce the hydrogen that was collected?

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