Chemistry, 16.11.2020 16:40 gladysvergara
By weight atmospheric air is approximately 23.15% oxygen and 76.85% nitrogen. What is the partial pressure of oxygen in the air at standard temperature and pressure
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Explain that newton first law,second law and third law of motion?
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The melting point of sulfur is 115 Β°c and its boiling point is 445 Β°c. what state would sulfur be in at 200 Β°c?
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Two people each hold the end of a rope and create waves by moving their arms up and down. this wave is best classified as a transverse wave because a) both the rope particles and the wave are moving in the same direction. b) the wave is moving up and down as the particles of the rope move horizontally. c) the wave is moving horizontally as the particles of the rope move up and down. eliminate d) the wave is moving in a parallel direction with the motion of the person's arms.
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By weight atmospheric air is approximately 23.15% oxygen and 76.85% nitrogen. What is the partial pr...
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