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This is the substance(s) formed in a chemical reaction.
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Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?
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Assume that a person skiing high in the mountains at an altitude of h = 15100 ft takes in the same volume of air with each breath as she does while walking at sea level. determine the ratio of the mass of oxygen inhaled for each breath at this high altitude compared to that at sea level. assume that the air composition (i. e. % of air that is oxygen) is the same at sea level as it is at 15100 ft.
Answers: 2
During first half of a journey by a body it travel with a speed of 40km/hr and in the next half it t...
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