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Chemistry, 23.06.2019 09:00
What properties would have caused early researchers to name hydrogen "inflammable air”
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Chemistry, 23.06.2019 09:30
What lessons does the history and study of the periodic table offer to other fields of science, and the pursuit science more generally
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Chemistry, 23.06.2019 21:00
Awheelchair ramp needs to be pitched at 8 degrees. if the ramp is to access an 18-inch step to a door what will be the length of the ramp to the nearest inch?
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Chemistry, 23.06.2019 22:00
Athermometer is removed from a room where the temperature is 70° f and is taken outside, where the air temperature is 30° f. after one-half minute the thermometer reads 50° f. what is the reading of the thermometer at t = 1 min? (round your answer to two decimal places.)
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