Chemistry, 01.03.2021 19:40, hdhdhd49jdhd
A geochemist measures the concentration of 28.4 salt dissolved in Lake Parsons and finds a concentration of . The geochemist also measures the concentration of salt in several nearby non-isolated lakes, and finds an average concentration of . Assuming the salt concentration in Lake Parsons before it became isolated was equal to the average salt concentration in nearby non-isolated lakes, calculate the percentage of Lake Parsons which has evaporated since it became isolated. Round each of your answers to significant digits.
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Before it was launched, a helium-filled balloon had a pressure of 201 kpa at a temperature of 27°c. at an altitude of 15,000 m, the pressure had decreased to 2.5 kpa and the temperature had dropped to -14 °c. the volume of the balloon increased to 59.3 m3. what is the original volume of the balloon? 13 m3 0.85 m3 0.077 m3 1.17 m3
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A geochemist measures the concentration of 28.4 salt dissolved in Lake Parsons and finds a concentra...
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