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University of Louisville Questions & Answers
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- 250L of a solution with density = .0862g/mL were found to be contaminated with 14.3 ppm H2S. How many grams of H2S are present in the solution?
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- A solution is made from 40.0g C6H6, 26.3g C5H12 and 49.1gC2Cl6. What is the mole percent of each component in the solution
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- A municipal water company reports 1.1ppm NO3- in its tap water. If the density of the tap water is 1.0g/mL, how many moles of NO3- are present in 100.L of this
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- What are the equations for Molarity, molality, density, ppm, ppb, mass percent, Volume percent, and mole percent?
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- How do I tell which compounds are soluble, insoluble, miscible, or soluble but immiscible?
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- You set up a ladder against the wall of your house. The coefficient of static friction of the base of the ladder with the ground is 0.3. What is the minimum
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- Suppose you have a stationary mouse wheel with a radius of 15 cm (0.15 m) and a mass of 0.5 kg, most of it in the rim. If you apply a force of 5.1 newtons to
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- What is the energy required to spin up a cylinder of mass 8.1 kg and diameter 7.7 meters to rotate 4.6 times per second? Give your answer in joules.
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