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As changes in energy levels of electrons increase, the frequencies of atomic line spectra they emit
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How many grams of ammonia would be produced by the decomposition of 16.93 mlof hydrazine? (the density of hydrazine is 1.021g/ml)
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Which of the following describes qualitative data? a) recording the temperature of a solid as it is warmed. b) noting the color of a solution as it is heated. c) measuring the volume of an object by water displacement. d) taking the mass of an object using a balance.
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Zn-> Zno->ZnS->Zn(OH)2...
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