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Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains
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Chemistry, 23.06.2019 04:40
Equal numbers of moles of he(g), ar(g), and ne(g) are placed in a glass vessel at room temperature. if the vessel has a pinhole-sized leak, which of the following will be true regarding the relative values of the partial pressures of the gases remaining in the vessel after some of the gas mixture has effused?
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Chemistry, 23.06.2019 11:20
Match each state of matter with the statement that best describes it.
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A solution of aqueous ammonium sulfate has a mass of 482 grams. Calculate the mass of ammonium sulfa...
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