Question
Paige received two 10 mL samples of unknown liquids from her teacher. She combined the substances according to her instructions and recorded the following observations:
1. When the two colorless liquids combined, the color changed to purple.
2. The volume of the combined liquids was 20 mL.
3. The temperature of the liquids rose 10°C after they were combined.
4. The density of the combined liquids was 1.7 g/mL.
Based on her observations, Paige concluded that a chemical reaction took place. Which of her observations support her conclusion?
A.
3 and 4 only
B.
1 only
C.
1, 2, and 3 only
D.
1 and 3 only
1. When the two colorless liquids combined, the color changed to purple.
2. The volume of the combined liquids was 20 mL.
3. The temperature of the liquids rose 10°C after they were combined.
4. The density of the combined liquids was 1.7 g/mL.
Based on her observations, Paige concluded that a chemical reaction took place. Which of her observations support her conclusion?
A.
3 and 4 only
B.
1 only
C.
1, 2, and 3 only
D.
1 and 3 only
Answers
There are no human answers yet.
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.