A few days ago
How could you show that adding HCl to magnesium ribbon resulted in a chemical change?
I need help for science homework.
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A few days ago
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when added, the magnesium completely dissolves (if enough HCl is added.) also, once the magnesium is gone, the test tube becomes surprisingly hot. whenever heat is generated as a result of two elements (or compounds) coming together, a chemical change occurs.
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