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Chemistry, 22.06.2019 06:00
Compare and contrast physical changes with chemical changes.
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Chemistry, 22.06.2019 07:30
Aradio signal from a gps satellite take only about 0.067 seconds to reach a gps reciever. if the speed of light is about 300,000km/s, then approximately how far away is the reciever from from the satellite?
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Chemistry, 22.06.2019 13:00
12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer
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Chemistry, 22.06.2019 18:30
The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false
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A large scuba tank with a volume of 18 L is rated for a pressure of 220 bar. The tank is filled at 2...
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