Baking Soda Experiment

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Data Analysis
The scientific question for this experiment is:” Does the amount of baking soda added to vinegar affect the amount of CO2 produced?” “If more baking soda is added to 50mL of vinegar, then more CO2 gas will be produced,” was the hypothesis. The independent variable was the different amounts of baking soda. Therefore, the dependent variable was the amount of CO2 produced. The control group was the 1 15mL spoonful of baking soda used. Results were compared to the control to see change. The experimental group was the 2 and 3 15mL spoonfuls of baking soda. Control variables were the amount of vinegar, the same spoon, stopper and tube, graduated cylinder, and funnel used, and the balloon was measured by the circumference of the widest
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Add the baking soda to the flask. Quickly add the vinegar to the flask and secure the stopper and tubing with the balloon over the flask. After the timer reaches 30 seconds, measure the balloon’s circumference. Repeat to have a total of 3 trials. Repeat the steps but use 2 spoonfuls and then 3 spoonfuls of baking soda. The experiment took place over the course of 2 days, 1 hour each day.

Trial 1 of 1 15mL spoonful in the experiment resulted with a circumference of 14.5 centimeters. Trial 2 was 23.5 centimeters. Trial 3 was 25.9 centimeters. Together there was an mean of 21.3cm. The median was the second trial with 23.5cm. The first trial had a slightly smaller circumference compared to the other trials. This was the first trial, so it might have affected the results due to the reaction happening very fast, so it was known to be faster to put on the stopper. For trials 1 and 2, a small amount of gas could be heard leaving the balloon through the space between the stopper and the balloon. This could have led to a small change in balloon circumference. For the 2 15mL spoonful trials, results did not vary as much as the trials for 1 spoonful. Trial 1 resulted in 23.6cm in
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The dependent variable was the amount of carbon dioxide gas (CO2) produced. Based off the data there was an increase of CO2 as baking soda was increased. This means the hypothesis was accepted. The experiment most likely worked out how it did due to additional carbonic acid being created by the reaction. With more baking soda, there is more to be mixed with vinegar, which means more CO2. When explained more in-depth, the double displacement reaction of baking soda(sodium bicarbonate) and vinegar is larger when there is more of the two. When adding more baking soda there is more for it to be mixed with the vinegar. This makes for a greater amount of sodium acetate and carbonic acid. The data teaches that when there is more chemicals added to each other, than there is a larger reaction and more compound made from

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