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Chemistry, 22.06.2019 10:30
Asample of air with a volume of 2.20m3 at a pressure of 105 kpa and a temperature of 30c is cooled to 10c and the pressure is reduced to 75.0 kpa. what is the new volume? 6.9 1.34 2.56 43.0 2.88
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An isotope undergoes radioactive decay by emitting radiation that has no mass. what other characteristic does the radiation have?
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Chemistry, 23.06.2019 15:00
What is the mass in grams of 0.94 moles of sodium bicarbonate, nahco3?
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