SCIN 131 (SCIN131)
American Public University
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SCIN 131 Quizzes 1-3 Questions with Solutions Latest Graded 100% | SCIN 131 WEEK 4 QUIZ Complete With Answers Latest Graded 100% & CHEMISTRY SCIN 131 Week 4 Quizess | Questions with Correct Solutions
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SCIN 131 Quizzes 1-3 Questions with Solutions Latest Graded 100% | SCIN 131 WEEK 4 QUIZ Complete With Answers Latest Graded 100% & CHEMISTRY SCIN 131 Week 4 Quizess | Questions with Correct Solutions
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SCIN 131 Exam Quiz 1-3 (Questions with Answers) Latest 2023 | SCIN 131 WEEK 4 Exam QUIZ Questions With Answers Latest Graded & SCIN 131 Week 4 Exam Quiz 2023 (Questions with Correct Solutions) Graded Complete Study Guide
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SCIN 131 Exam Quiz 1-3 (Questions with Answers) Latest 2023 | SCIN 131 WEEK 4 Exam QUIZ Questions With Answers Latest Graded & SCIN 131 Week 4 Exam Quiz 2023 (Questions with Correct Solutions) Graded Complete Study Guide
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SCIN 131 Quizzes (Questions with Solutions) 2023
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SCIN 131 Quizzes (Questions with Solutions) 2023. 
Aluminum has a specific heat capacity that is about twice that of iron. To balls of each metal, 
both with the same mass, and that have an initial temperature of 95 degrees C, are dropped into a 
completely insulated container that has the same mass of water but an initial temperature of 30 
degrees C. When thermal equilibrium is finally achieved (i.e. temperatures are no longer 
changing), which of these statements will be true? 
A.Both balls w...
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SCIN 131 WEEK 4 QUIZ (Questions With Answers) Latest GRADED A
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SCIN 131 WEEK 4 QUIZ (Questions With Answers) Latest GRADED A. 
What is the empirical formula for a compound if the compound contains 49.97% carbon, 
10.51% hydrogen, and 39.52% fluorine by mass? 
 
A. 
C2H5F2 
 
B. 
C2H5F 
 
C. 
C4H10F2 
 
D. 
C4H10F4 
Feedback: Great! Empirical Formula discussed in Chapter 6.2. 
Question 8 of 25 
4.0/ 4.0 Points 
`One of the compounds listed below represents an empirical formula. Which one? 
 
A. 
C22H34O10 
 
B. 
C5H12O2 
 
C. 
C6H6 
 ...
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SCIN 131 Exam Quiz 1-3 (Questions with Answers) 2023
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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 ...
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SCIN 131 Week 4 Exam Quiz 2023 (Questions with Correct Solutions) Graded
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SCIN 131 Week 4 Exam Quiz 2023 (Questions with Correct Solutions) Graded. A sample of pure lithium carbonate contains 18.8% lithium by mass. What is the % lithium by 
mass in a sample of pure lithium carbonate that has twice the mass of the first sample? 
• 
A. 75.2% 
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B. 37.6% 
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C. 18.8% 
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D. 9.40% 
Feedback:Great! Mass percent discussed in Chapter 6.2. 
Question 11 of 25 
4.0/ 4.0 Points 
`One of the first chemical WMDs, researchers initially produced VX nerve agent for retail sa...
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SCIN 131 WEEK 4 Exam QUIZ Questions With Answers Latest Graded
- Exam (elaborations) • 25 pages • 2023
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SCIN 131 WEEK 4 Exam QUIZ Questions With Answers Latest Graded. 
A sample of pure lithium carbonate contains 18.8% lithium by mass. What is the % lithium by 
mass in a sample of pure lithium carbonate that has twice the mass of the first sample? 
 
A. 75.2% 
 
B. 18.8% 
 
C. 9.40% 
 
D. 37.6% 
Feedback: Mass percent discussed in Chapter 6.2. 
Question 5 of 25 
4.0/ 4.0 Points 
`I have some aliens in my basement who have developed a chemical weapon in an attempt to 
escape. I was able...
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SCIN 131 Exam Quiz 1-3 | Questions with Solutions 2023
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SCIN 131 Exam Quiz 1-3 | Questions with Solutions 2023. 
Express 0.0045 m in scientific notation. 
A.0.45 × 104 m 
B.4.5 × 104 
 m 
C.4.5 × 10-4m 
D.4.5 × 103m 
E.4.5 × 10-3 m 
Answer Key: E 
Feedback: Good. Scientific notation is discussed in section 2.2 of the text. 
Question 5 of 12 4.0/ 4.0 Points 
The correct prefix for the multiplier 10-15 is: 
A.femto. 
B.deci. 
C.tera. 
D.pico. 
E.none of the above 
Answer Key: A 
Feedback: Good. Prefixes are discussed in section 2.5 of the text. 
P...
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SCIN 131 WEEK 4 QUIZ (Questions with Answers) Complete Latest Graded 100%
- Exam (elaborations) • 25 pages • 2023
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SCIN 131 WEEK 4 QUIZ (Questions with Answers) Complete Latest Graded 100%. 
A sample of pure lithium carbonate contains 18.8% lithium by mass. What is the % lithium by 
mass in a sample of pure lithium carbonate that has twice the mass of the first sample? 
 
A. 75.2% 
 
B. 18.8% 
 
C. 9.40% 
 
D. 37.6% 
Feedback: Mass percent discussed in Chapter 6.2. 
Question 5 of 25 
4.0/ 4.0 Points 
`I have some aliens in my basement who have developed a chemical weapon in an attempt to 
escape....
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SCIN 131 Quizzes 1-3 Questions with Solutions Latest Graded 100%
- Exam (elaborations) • 21 pages • 2023
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SCIN 131 Quizzes 1-3 Questions with Solutions Latest Graded 100%. 
According to the scientific method, what is the next step after forming a hypothesis? 
A.developing an experiment 
B.Forming a conclusion 
C.creating a scientific law 
D.forming a theory 
E.none of the above 
Answer Key: A 
Feedback: Good. This is the scientific method. 
Question 2 of 12 4.0/ 4.0 Points 
Who discovered the law of conservation of mass? 
A.Albert Einstein 
B.John Dalton and Antoine Lavoisier 
C.Antoine Lavoisier 
D...
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