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Aim: To observe the various mass changes of a magnesium ribbon before combustion and then again after combustion and then compare the results, using different lengths of magnesium ribbons. Hypothesis: My hypothesis is that the mass of magnesium after it reacts with oxygen will be greater than the original mass of magnesium before the reaction took place. Apparatus: * Crucible * Lid of the Crucible * A magnesium ribbon (2cm for our group) * Sand paper * Tongs * Bunsen burner * Tripod stand * Clay Triangle Method: 1. Take the magnesium ribbon and clean it with the sand paper 2. Measure the weight of the empty crucible with the lid on 3. Take a specified length of the magnesium ribbon, that was assigned to your group, and then coil it 4. Put the coiled magnesium ribbon in the empty crucible 5. Measure the weight of the crucible with the magnesium ribbon inside and with the lid on 6. After measuring find the weight of the magnesium 7. Put...

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