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Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.
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This question is about electrolysis. metal spoons can be coated with silver. this is called electroplating. suggest one reason why spoons are electroplated?
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Compare and contrast physical changes with chemical changes.
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How is the atomic number of a nucleus changed by alpha decay
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How does the number of molecules in 1 mol of oxygen compare with the number of molecules in 1 mol of...
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