The Ksp of Ag3PO4 is approximately 2 x 10-18. Which of the following would increase the Ksp?
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Which of the following are true regarding ideal gas assumptions?
I. Gas molecules have no volume.
II. Pressure is caused by collisions against the walls of the container.
III. All collisions between molecules are elastic.
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2.0 moles of H2O vapor at 0.20 atm and 298K are allowed to expand so that volume doubles. The temperature is unchanged. What is the new pressure (in atm)?
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Hydrogen gas generated in a reaction is collected over water at 25 degrees Celsius and is found to have a pressure of 746 torr. The vapor pressure of water at 25 degrees Celsius is 24 torr. Which expression can be used to find the pressure of H2, in atm?
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A 30 kg cart traveling due north at 5 m/s collides with a 50 kg cart that had been traveling due south. Both carts immediately come to rest after the collision. What must have been the speed of the southbound cart?
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The placenta is an organ that develops from cells of the chorion and endometrium. Therefore, it is comprised of:
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A sample of H2 gas occupies .20 L at 100 degrees Celsius and 760 mm of Hg pressure. To find the number of moles of gas in the sample, a student should calculate which of the following?
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The anomers of D-(+)-glucose differ in their configuration around which of the following?
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Which of the following statements about van der Waals equation are true?
I. At low densities, a real gas behaves like an ideal gas.
II. The “b” term in the equation describes intermolecular forces.
III. The product PV equals a constant for real and ideal gases alike.
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