Question 1 13.33 pts
Three students are asked to discuss the percent error obtained in
this lab. Select the student that employs correct scientific reasoning.
• Student 1: The percent error could be caused by mixing the reaction too quickly, the
friction caused by mixing would increase the change in heat measured.
Student 2: The percent error could be caused by the salt not completely dissolving,
therefore the change in heat per mole would be accidentally low.
• Student 3: The percent error could be caused by the change in pH of the solution,
this would decrease the change in heat accidentally.
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