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If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?
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Joe shines white light into a bowl half full of water at an angle of incident of 27.5°. calculate the angle of refraction in the water given the indices of refraction for air and water are 1.00 and 1.36, respectively.
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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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Chemistry, 22.06.2019 11:00
What is the molar mass of a gas that has density of 2.054 g/l
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What is the mole ratio between HCI:CO2 ?...
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