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Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?
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How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer
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1. explain hydrogen peroxide, h 2 o 2 properties and decomposition reaction. 2. describe how each of the following natural cycles plays a part in earth’s climate system. (a) the water cycle (b) the carbon cycle
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Agraph of gas pressure versus the number of particles in a container is a straight line. which other...
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