Scin 131 - Study guides, Class notes & Summaries

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SCIN 131 Tests and Quizzes 6
  • SCIN 131 Tests and Quizzes 6

  • Exam (elaborations) • 13 pages • 2024
  • SCIN 131 Tests and Quizzes 6 Part 1 of 1 - 100.0 Points Question 1 of 25 4.0 Points `Suppose you have a fixed container containing 2.48 moles of gas. If the container volume is 30.0 L, and the pressure is 2.05 atm, what is the temperature (°C)? (R= 0.0821 L ∙ atm / mol ∙ K) A.302 B.-84 C.189 D.29 Answer Key: D Feedback: Ideal gas law is discussed in 11.8 Question 2 of 25 4.0 Points `I have a pressure cooker in my underground lair that is brewing a diabolical solution. I set...
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SCIN 131 WEEK 4 Exam QUIZ Questions With Answers Latest Graded
  • 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 Complete With Answers Latest Graded 100%
  • SCIN 131 WEEK 4 QUIZ Complete With Answers Latest Graded 100%

  • Exam (elaborations) • 25 pages • 2023
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  • SCIN 131 WEEK 4 QUIZ Complete With Answers Latest Graded 100%. 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 267.37 g/mol. Given this information, wh...
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SCIN 131 WEEK 4 QUIZ (Questions with Answers) Complete Latest Graded 100%
  • SCIN 131 WEEK 4 QUIZ (Questions with Answers) Complete Latest Graded 100%

  • Exam (elaborations) • 25 pages • 2023
  • 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%
  • 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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CHEMISTRY SCIN 131 Week 4 Quizess | Questions with Correct Solutions
  • CHEMISTRY SCIN 131 Week 4 Quizess | Questions with Correct Solutions

  • Exam (elaborations) • 18 pages • 2023
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  • CHEMISTRY SCIN 131 Week 4 Quizess | Questions with Correct Solutions. Eureka! I've discovered a new compound! Yay for me. I have determined that its empirical formula, but in order to determine its actual molecular formula, I need to know which of the following? • A. the number of moles of the compound in a 1.00 g sample of the substance • B. the density of the compound • C. the boiling point and freezing point of the compound • D. the molar mass of the compound. • E. non...
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SCIN 131 Tests and Quizzes 6
  • SCIN 131 Tests and Quizzes 6

  • Exam (elaborations) • 13 pages • 2023
  • SCIN 131 Tests and Quizzes 6 Part 1 of 1 - 100.0 Points Question 1 of 25 4.0 Points `Suppose you have a fixed container containing 2.48 moles of gas. If the container volume is 30.0 L, and the pressure is 2.05 atm, what is the temperature (°C)? (R= 0.0821 L ∙ atm / mol ∙ K) A.302 B.-84 C.189 D.29 Answer Key: D Feedback: Ideal gas law is discussed in 11.8 Question 2 of 25 4.0 Points `I have a pressure cooker in my underground lair that is brewing a diabolical solution. I set...
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SCIN 131 Quizzes (Questions with Solutions) 2023
  • SCIN 131 Quizzes (Questions with Solutions) 2023

  • Exam (elaborations) • 21 pages • 2023
  • 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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