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Achef makes salad dressing by mixing oil, vinegar, and spices, as shown. which type of matter is the salad dressing?
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If 1.8 l of water is added to 2.5l of a 7.0 m koh solution, what is the molarity of the new solution
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Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ΒΊc and rises to an altitude where its volume is twenty times the original volume and its temperature is β 50.0ΒΊc ?
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Before it was launched, a helium-filled balloon had a pressure of 201 kpa at a temperature of 27Β°c. at an altitude of 15,000 m, the pressure had decreased to 2.5 kpa and the temperature had dropped to -14 Β°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
Answers: 3
4. c. Calculate Concentration of Pb2+ and AsO43-...
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