PLS ANSWER PLS Part 6
Pour the water from part B into one of the large containers. Pour the vinegar into the other large
container. Observe the two combinations. Pick up each container one at a time and place your palm on
the bottom to see whether you can feel a difference in temperature. Record what you see and feel.
Question Two
Explain whether a chemical reaction has occurred for each combination. Include the evidence you used to reach your conclusion.
PART B
Is this investigation a controlled experiment or an observational study? Explain your answer.
PART C
Why do you use the same amount of baking soda and same amount of liquid for each combination.