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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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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 11:00
Achemist weighed out 101.g of silver. calculate the number of moles of silver she weighed out.
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Which element would you expect to have the highest electro negativity?...
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