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Chemical Combinations

Chemical Combinations. By: Shauna, Morgan, and Makenna. Experiment. Question-What combinations of compounds react chemically? Hypothesis-The Bromothymol Blue will react with Sodium bicarbonate. Dependent Variable-Observations Independent Variable-Reactions. Procedure.

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Chemical Combinations

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  1. Chemical Combinations By: Shauna, Morgan, and Makenna

  2. Experiment Question-What combinations of compounds react chemically? Hypothesis-The Bromothymol Blue will react with Sodium bicarbonate. Dependent Variable-Observations Independent Variable-Reactions

  3. Procedure • Mix .5 g of sodium bicarbonate with 15 mL of Bromothymol blue. • Observe and record. • Repeat step 1, but instead mix .5 g of calcium chloride with 15 mL of Bromothymol blue. • Mix .5 g of sodium bicarbonate with 15 mL of water. • Repeat step 3 with .5 g of calcium chloride and 15 mL of water. • Observe and record.

  4. Combination Table

  5. Summary For our experiment, we tested what combinations of compounds would react. We concluded that the compounds Bromothymol blue, calcium chloride, and sodium bicarbonate react by changing colors, fizzing, and temperature changes. In the last combination, we mixed all the compounds all together. The temperature rose and then decreased as did the bubbles in the test tube.

  6. Pictures!!!

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