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Is silver tarnishing a physical change or a chemical change?
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4nh3+5o2--> 4no+6h20what is the total number of moles of h2o produced when 12 mole of nh3 is completely consumed?
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What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion
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What are the 4 phases of matter in order of increasing engery content?
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Is silver tarnishing a physical change or a chemical change?...