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Estimate the concentration of carbon monoxide at the downwind edge of a city
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Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.
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A1.5l container holds p.50 grams of an unknown gas at a pressure of 0.44 atm and a temperature of 50.c what is the molar mass of the unknown gas
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Which of the following is in the lanthanide family? a) uranium b) promethium c) silver d) gold
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Calculate the mass of 0.750 mol of the following substance. na3po4.
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Estimate the concentration of carbon monoxide at the downwind edge of a city...
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