SCIN 131 Exam Quiz 1-3 (Questions with Answers) 2023

SCIN 131 Exam Quiz 1-3 (Questions with Answers) 2023. My cat weighs 37.0 lbs. Yes, she is a little large. I put her into a bathtub containing 47.0 gallons of water when filled to the very top. After I put her in, I collected all the water that ran over the side of the tub, and found it to be equal to 0.923 gallons. (A) What is the density of my cat in grams per cubic centimeter? (B) What if next time I do this she gains 4.0 lbs. and grows big enough to displace 1.10 gallons. Will she still have the same density? Explain and prove your answer. All work must be shown, labeled, and explained in detail to receive credit. Note that where applicable, superscripts (X2 ) can be written as X^2 and subscripts (X2) can be written as X_2 if it saves you time. Feedback: See section 2.9 Comment: Uh Oh! Did you run out of time? Make sure you pace yourself well so you can complete the quizzes. Question 12 of 12 5.0/ 5.0 Points `IN YOUR OWN WORDS, who was John Dalton, and why is he so important to chemistry? What did he "discover" that is so central to our study of chemistry? Explain why it is important. John Dalton is a British chemist who is responsible for Dalton's Law as well as the atomic theory. He believed that atoms of different elements could be distinguished based on their varying atomic weights. He also became the first scientist to explain the behavior of atoms in terms of the measurement of weight. He is also credited with the discovery of colorblindness. Feedback: See section 1.4 Comment: Good job. QUIZ 2 Part 1 of 3 - 16.0/ 20.0 Points Question 1 of 12 4.0/ 4.0 Points `In which group can the halogens be found? A.8A B.7A C.6A D.2A E.none of the above Answer Key: B Feedback: See section 4.6 Question 2 of 12 4.0/ 4.0 Points `To which family does Rn belong? A.alkaline earth metals B.alkali metals C.halogens D.noble gases E.none of the above Answer Key: D Feedback: See section 4.6 Question 3 of 12 4.0/ 4.0 Points `Of the pairs of names and symbols below, which is incorrect? A.hydrogen, H B.phosphorus, P C.barium, Br D.technetium, Tc E.mercury, Hg