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The pressure of an enclosed gas depends on: the number of molecules in a unit volume and their average kinetic energy its chemical composition the altitude about sea level the number of atoms per molecule all of the above
Weegy: e) all of the above User: What volume will 1.25 liters of carbon dioxide occupy at 50.0°C if the pressure changes from 0.865 atm to 0.820 atm? Weegy: p1v1=p2v2 1.25L*0.865atm = 0.820atm *v2 v2 = 1.32L User: A 1.50-liter sample of dry air in a cylinder exerts a pressure of 3.0 atmospheres at a temperature of 25°C. Without change in temperature, a piston is moved in the cylinder until the pressure in the cylinder is reduced to 1.0 atmosphere. What is the volume of the gas? (Be sure to use the correct number of significant figures.) 0.22 L 0.50 L 2.0 L 4.5 L Question #12MultipleChoice Score: The main assumptions of the Kinetic Molecular Theory of gases are: 1. Gases are made up of molecules which are relatively far apart. 2. The molecules are in motion at high speeds. 3. The molecules are perfectly elastic. 4. Increase in temperature increases the kinetic energy of the molecules. The assumption that explains the pressure a gas exerts is: 1234none Question #13MultipleChoice Score: Boyle's Law for gases is: true for all gasesonly accurate at room temperaturejust a model and therefore accurate for no real gasaccurate for most gases in most temperature rangesa good example of a "law" that is now found to be incorrect Question #14MultipleChoice Score: Boyle's Law represents the relationship of volume as pressure is changed. What are the variables of Boyle's Law? pressure and number of molecules of gasvolume and temperaturepressure and temperaturevolume and number of molecules of gaspressure and volume Question #15TextMultipleChoice Score: The volume of a diver's lungs was measured to be 3.6 liters at 1.0 atmosphere of pressure. As the diver descends, assuming that no air is lost, the pressure increases to 3.2 atmospheres. What is the new lung volume? 0.19120.891.1 L Question #16MultipleChoice Score: A 1.50 liter sample of dry air in a cylinder exerts a pressure of 3.00 atmospheres at a temperature of 25oC. Without change in temperature, ... (More)
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Asked 6/18/2013 7:08:30 AM
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A flexible container is put in a deep freeze. Its original volume is 3.00 m3 at 25.0°C. After the container cools, it has shrunk to 2.00 m3. Its new temperature in degrees Celsius is
Weegy: 25/3= 8.33 x 2= 16.67 answer = 2.00m3= 16.67 degrees celcius (More)
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Asked 6/17/2013 7:42:51 AM
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Rutherford
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Updated 6/18/2013 10:46:29 AM
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Ernest Rutherford, 1st Baron Rutherford of Nelson OM FRS (30 August 1871 – 19 October 1937) was a New Zealand-born physicist and chemist who became known as the father of nuclear physics. ..............
Added 6/18/2013 10:46:29 AM
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