Scin 131 quiz 6 Study guides, Class notes & Summaries
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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 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 Week 1 quiz Questions & Answers Graded A
- Exam (elaborations) • 12 pages • 2023
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SCIN 131 Week 1 quiz 
 
 
 
SCIN 131 Week 1 quiz Questions & Answers Graded A 
 
 
 
 
 
 
 
 
 
 
 
 
SCIN 131 Week 1 quiz 
Question 1 of 25	4.0 Points 
Which of the following is a law? 
A.The universe began as a cosmic explosion called the Big Bang. 
 
B.A stone dropped from an altitude of 450 m falls to the ground in 9.6 s. 
 
C.A body in motion stays in motion unless acted upon by force. 
 
D.The star closest to Earth is moving away from Earth at high speed. 
 
Question 2 of 25	4.0 Points 
T...
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SCIN 131 LESSON 6 WEEK 6 QUIZ GRADED A
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SCIN 131 LESSON 6 WEEK 6 QUIZ GRADED A /SCIN 131 LESSON 6 WEEK 6 QUIZ GRADED A /SCIN 131 LESSON 6 WEEK 6 QUIZ GRADED A
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SCIN 131 Week 1 quiz
- Exam (elaborations) • 10 pages • 2022
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SCIN 131 Week 1 quiz 
Question 1 of 25	4.0 Points 
Which of the following is a law? 
A.The universe began as a cosmic explosion called the Big Bang. 
 
B.A stone dropped from an altitude of 450 m falls to the ground in 9.6 s. 
 
C.A body in motion stays in motion unless acted upon by force. 
 
D.The star closest to Earth is moving away from Earth at high speed. 
 
Question 2 of 25	4.0 Points 
The result of collisions between gas molecules and the surfaces around them is: A.mass 
 
B.temperature ...
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SCIN 131 LESSON 6 WEEK 6 QUIZ
- Exam (elaborations) • 17 pages • 2021
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Question 8 of 25 
4.0/ 4.0 Points 
Which of the following is equivalent to STP? 
• 
A. 0 K and 1 atm 
• 
B. 32*C and 760 mmHg 
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C. 273.15 K and 760 torr 
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D. 273.15 K and 750 mmHg 
Feedback: Great! Gas Laws are discussed in Chapter 8. 
Question 9 of 25 
4.0/ 4.0 Points`Suppose you have a fixed container containing 18.0 g of He gas. If the container volume is 
3.00 L and the temperature is 298.15 K, what is the pressure in the atm? (R= 0.0821 L ∙ atm / mol ∙ 
K) 
• 
A. 36.7 atm ...
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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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Available in package deal
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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 Week 4 Exam Quiz 2023 (Questions with Correct Solutions) Graded
- Exam (elaborations) • 18 pages • 2023
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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% 
• 
B. 37.6% 
• 
C. 18.8% 
• 
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 Exam Quiz 1-3 | Questions with Solutions 2023
- Exam (elaborations) • 21 pages • 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 7 Lesson Quiz 2021
- Exam (elaborations) • 8 pages • 2021
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Li 
SCIN 131 - Week 7 Lesson Quiz 
Mar 17, 2021 
3 / 3 points 
`In terms of metallic character, which of these has the least? 
Question options: 
Na 
Cs 
Rb 
K 
3 / 3 points 
`In terms of the size of the atom, which of these is the largest? 
Question options: 
Rb 
Na 
K 
Li 
3 / 3 points 
During a sunset, molecules interact with light and scatter all but which colors? 
Question options: 
purple 
blue 
green 
3 / 3 points 
`Which of the following letters represents the principal shell? 
Question ...
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