Scin131 quiz 6 Study guides, Class notes & Summaries

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...

SCIN131 QUIZ 6 2024 WITH REAL EXAM QUESTIONS AND 100% CORRECT ANSWERS

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

Question 6 of 25 4.0/ 4.0 Points `My kids love balloons. It's weird, really. If one of their He balloons contained exactly 1 mol of He, and I also gave them a balloon containing exactly 1 mol of oxygen gas (I know, great parenting, right?), and the atmospheric conditions were equal to standard temperature and pressure (STP), which of these statements about the balloons is true?  A. Their volumes will be the same.  B. Their masses will be equal.  C. Their volumes AND their masse...

Question 9 of 25 4.0/ 4.0 Points `Think back to Lesson one when we talked about density. Now think about it--my kids love balloons, and then are always laying around the house. Suppose one was laying by the window at night when they went to bed, but the next day, when the sun came up, it warmed the gas (air) that was in the balloon. What would be true about the density of the air in the balloon?  A. It will increase.  B. It will remain the same.  C. It will decrease.  D. it ...

SCIN131 QUIZ 6 2024 WITH REAL EXAM QUESTIONS AND 100% CORRECT ANSWERS

SCIN131 – Week 2 Lesson Quiz (92%) Part 1 of 3 - 36.0/ 40.0 Points Question 1 of 25 4.0/ 4.0 Points `Isotopes of two different elements could not have A. different number of protons. B. the same number of neutrons C. different number of electrons D. different number of neutrons E. it is possible they could have any of these Feedback: Topic discussed in Chapter 2 Question 2 of 25 4.0/ 4.0 Points `If a silicon atom contains 16 neutrons, what is it...

SCIN131 – Week 2 Lesson Quiz (92%) Part 1 of 3 - 36.0/ 40.0 Points Question 1 of 25 4.0/ 4.0 Points `Isotopes of two different elements could not have A. different number of protons. B. the same number of neutrons C. different number of electrons D. different number of neutrons E. it is possible they could have any of these Feedback: Topic discussed in Chapter 2 Question 2 of 25 4.0/ 4.0 Points `If a silicon atom contains 16 neutrons, what is it...

SCIN131 Week 2 Lesson Quiz 2 Week 2 Lesson Quiz Part 1 of 3 - 36.0/ 40.0 Points Question 1 of 25 4.0 / 4.0 Points To which family does krypton belong? • A. alkaline earth metals • B. alkali metals • C. halogens • D. noble gases • E. none of the above Feedback:Topic discussed in Chapter 3.6 Question 2 of 25 4.0 / 4.0 Points An aluminum ion, Al3+, has: • A. 13 protons and 13 electrons • B. 10 protons and 13 electrons...

SCIN131 – Week 2 Lesson Quiz (92%) SCIN131 – Week 2 Lesson Quiz (92%) Part 1 of 3 - 36.0/ 40.0 Points Question 1 of 25 4.0/ 4.0 Points `Isotopes of two different elements could not have A. different number of protons. B. the same number of neutrons C. different number of electrons D. different number of neutrons E. it is possible they could have any of these Feedback: Topic discussed in Chapter 2 Question 2 of 25 4.0/ 4.0 Poi...