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j j j Logout S My Workspace LITR201 D003 Fall 16 SCIN131 C002 Fall 16 My Sites Home Announcements Calendar Messages Forums Syllabus Lessons Adobe Connect Resources Assignments Lesson 5 Quiz Part 1 of 3 - 20.0/ 20.0 Points Question 1 of 12 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?
Tests & Quizzes Gradebook Help Roster Campus Lounge APUS Library Policy Answer Key: C Feedback: Good. See KMT in section 11.2 Question 2 of 12 4.0/ 4.0 Points `Suppose you have a helium balloon that is holding 2.00 L of He at a pressure of 15.18 psi. If it's temperature started out as 310.15 K, but was heated to 331.15 K, resulting in an expansion of volume to 3.24 L, what is the ±nal pressure in atm? A
User Guide Feedback: Good. Combined gas law is discussed in 11.6 Question 3 of 12 4.0/ 4.0 Points `If you drop Mg into HCl, you will evolve hydrogen gas. If you perform this reaction over water at a temperature of 298.15 K at a pressure of 0.977 atm, and the vapor pressure of water at this temperature is 0.0313 atm, what is the pressure of hydrogen? A
Feedback: Good. See section 11.10 Question 4 of 12 4.0/ 4.0 Points `The air that we breathe is actually a mixture of several gases. Of those involved, which is the major