Margarita wants to investigate how gases behave inside a balloon. In step 1 of her investigation, she inflates a balloon to as great of a volume as possible and wraps a string around the widest part of the balloon. Then, she removes the string and measures its length with a ruler.Which action should Margarita take in step 2 to determine the relationship between temperature and volume of gases, and which statement explains the outcome of her investigation?A. Step 2: Place the balloon in the freezer overnight. In the morning, use the string to measure its circumference and compare the two lengths.Outcome: The balloon swelled because the volume of gases increased when temperature decreased.B. Step 2. Place the balloon in the freezer overnight. In the morning, use the string to measure its circumference and compare the two lengths.Outcome: The balloon shrank because volume of gases decreased when temperature decreased.C. Step 2: Rub the balloon on a blanket for several minutes. Use the string to measure its circumference and compare the two lengths.Outcome: The balloon swelled because the volume of gases increased when temperature increased.D. Step 2: Leave the balloon on a blanket overnight. In the morning, use the string to measure its circumference and compare the two lengths.Outcome: The balloon shrank because the volume of gases decreased independently from any change in temperature.

Question

25-10-2022
Chemistry

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Margarita wants to investigate how gases behave inside a balloon. In step 1 of her investigation, she inflates a balloon to as great of a volume as possible and wraps a string around the widest part of the balloon. Then, she removes the string and measures its length with a ruler.Which action should Margarita take in step 2 to determine the relationship between temperature and volume of gases, and which statement explains the outcome of her investigation?A. Step 2: Place the balloon in the freezer overnight. In the morning, use the string to measure its circumference and compare the two lengths.Outcome: The balloon swelled because the volume of gases increased when temperature decreased.B. Step 2. Place the balloon in the freezer overnight. In the morning, use the string to measure its circumference and compare the two lengths.Outcome: The balloon shrank because volume of gases decreased when temperature decreased.C. Step 2: Rub the balloon on a blanket for several minutes. Use the string to measure its circumference and compare the two lengths.Outcome: The balloon swelled because the volume of gases increased when temperature increased.D. Step 2: Leave the balloon on a blanket overnight. In the morning, use the string to measure its circumference and compare the two lengths.Outcome: The balloon shrank because the volume of gases decreased independently from any change in temperature.

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Can someone please help me?:\

RebekahW626700 RebekahW626700 · Answer 1 · 2022-10-25T22:54:25+02:00

Gay-Lussac's law says that in an isobaric transformation (constant pressure), temperature and volume are directly proportional quantities. Therefore, when the temperature of a gas increases, its volume increases. If the temperature decreases, the volume also decreases.

So we can place the ballon in the freezer.

The temperature will decrease, so the volume of gas will decrease as well.

Answer: Alternative "B"