Scin131 Samenvattingen, Aantekeningen en Examens
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AMU SCIN131 exam questions fully solved & updated
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CHEMISTRY IS 
THE SCIENCE OF WHAT MATTER DOES BY STUDYING ATAM AND MOLECULES. 
 
 
 
THEORIES ARE VALIDATEB BY... 
EXPERIMENTS 
 
 
 
A BRIEF STATEMENT THAT SUMMARIZES PAST OBSERVATIONS AND PREDICT FUTURE ONES IS CALLED 
SCIENTIFIC LAW 
 
 
 
THE SCIENTIFIC METHOD EMPHAIZES 
OBSERVATION AND EXPERIMENTATION. 
 
 
 
A THERORY BEFORE IT BECOME WELL ESTABLISHED 
HYPOTHESIS 
 
 
 
THE FIRST STEP IN THE SCIENTIFIC METHOD 
OBSERVE SOME ASPECT OF NATURE 
 
 
 
THE CONNECTION THAT HOLD ATOMS TO EACH OTHE...
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SCIN131_Week_1_Quiz
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SCIN131_Week_1_Quiz
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SCIN131 QUIZ 3 2024 WITH REAL EXAM QUESTIONS AND CORRECT ANSWERS GRADED A+
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SCIN131 QUIZ 3 2024 WITH REAL EXAM QUESTIONS 
AND CORRECT ANSWERS GRADED A+ 
Part 1 of 2 - 56.0/ 60.0 Points 
Question 1 of 25 
4.0/ 4.0 Points 
`If you were to count the numbers of each type of atom in the formula Ca3(PO4)2, what would 
the answer be? 
• 
A. Ca = 3, P = 1, O = 8 
• 
B. none of these 
• 
C. Ca = 3, P = 1, O = 4 
• 
D. Ca = 3, P = 2, O = 4 
• 
E. Ca = 3, P = 2, O = 8 
Feedback: use formula to count. Use naming rules and charge balancing. Topic discussed in 
3.7 and 4.3....
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SCIN131 QUIZ 1 WITH REAL EXAM QUESTIONS AND ANSWERS
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SCIN131 QUIZ 1 WITH REAL EXAM QUESTIONS AND 
ANSWERS 
Question 1 of 25 
4.0/ 4.0 Points 
How many significant figures will be in the final answer of this calculation? 
(3.8 - 0.72) × 12.36 = 
A. 2 
B. 3 
C. 4 
D. 6 
E. none of the above 
Feedback: Good. Significant figures are discussed in Chapter 1. 
Question 2 of 25 
4.0/ 4.0 Points
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SCIN131 QUIZ 4 2024 WITH REAL EXAM QUESTIONS AND ANSWERS SCOREDA+
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SCIN131 QUIZ 4 2024 WITH REAL EXAM QUESTIONS 
AND ANSWERS SCOREDA+ 
Question 1 of 25 
4.0/ 4.0 Points 
`One of the first chemical WMDs, researchers initially produced VX nerve agent for retail sale 
in the 1950s as a pesticide. Thankfully, your likelihood of coming in contact with VX is 
extremely low - the world's stockpiles have been destroyed, including the United States' main 
stockpile in Anniston, AL. The molecular formula for this nerve agent is C11H26NO2PS, and it 
has a molar mass of ...
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SCIN131 QUIZ 6 2024 WITH REAL EXAM QUESTIONS AND 100% CORRECT ANSWERS SCORED A+
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SCIN131 QUIZ 6 2024 WITH REAL EXAM 
QUESTIONS AND 100% CORRECT ANSWERS 
SCORED A+ 
Question 1 of 25 
4.0/ 4.0 Points 
`I'm looking at the barometer in my lab as I type this question. It says the pressure is 760 torr. 
What is this pressure expressed in mm Hg? 
• A. 1 
• B. 760 
• C. 14.7 
• D. 29.92 
Feedback: Great! Gas Laws discussed in Chapter 8. 
Question 2 of 25 
4.0/ 4.0 Points 
I have a sealed cylinder in my lab that contains 250 L of gas. If I keep temperature the same and 
decr...
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SCIN131 QUIZ 3 2024 WITH REAL EXAM QUESTIONS AND CORRECT ANSWERS
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SCIN131 QUIZ 3 2024 WITH REAL EXAM QUESTIONS AND CORRECT ANSWERS
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SCIN131 QUIZ 4 2024 WITH REAL EXAM QUESTIONS AND ANSWERS
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SCIN131 QUIZ 4 2024 WITH REAL EXAM QUESTIONS AND ANSWERS
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SCIN131 QUIZ 1 WITH REAL EXAM QUESTIONS AND ANSWERS
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SCIN131 QUIZ 1 WITH REAL EXAM QUESTIONS AND ANSWERS
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SCIN 131 Week 2 Quiz / SCIN131 Week 2 Quiz: Latest-2022
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SCIN 131 Week 2 Quiz / SCIN131 Week 2 Quiz: Latest-2022SCIN 131 Week 2 Quiz / SCIN131 Week 2 Quiz: Latest-2022SCIN 131 Week 2 Quiz / SCIN131 Week 2 Quiz: Latest-2022SCIN 131 Week 2 Quiz / SCIN131 Week 2 Quiz: Latest-2022SCIN 131 Week 2 Quiz / SCIN131 Week 2 Quiz: Latest-2022