Count a pile of atoms large enough to weigh
The best available balances can weigh amounts as small as 10-5 g. If you were to count out carbon atoms at the rate of two per second, how long would it take to count a pile of atoms large enough to weigh (10-5g)?
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Sanai manufacturing company produces and sells 40,000 units of a single product. Variable costs total $80,000 and fixed costs total $120,000.
When 4g of a sample are dissolved in enough benzene to give 2L of solution the osmotic pressure is 3.2 torr at 25 degrees C. What is the molecular weight of the sample?
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If a car increases its speed from 14.2 mph to 42.6 mph, by what factor does the kinetic energy of the car increase? Enter your answer to three significant figures, Show work.
Lead is a toxic metal that affects the central nervous system. A Pb-contaminated water sample contains 0.0013% Pb by mass. How much of the water (in ml) contains 145 mg of Pb?
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The osmotic pressure of 8.05x10 to the negative third M solutions of Cacl2 and urea at 25 degrees celcius are o.487 and 0.197 atm respectively. Calculate the van hoff factor of Cacl2a
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Choose a healthcare scenario or issue of interest (e.g., patient outcomes, resource allocation, quality improvement).
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