Chem101_Quiz3A_shortkey - Chemistry 101 Section 242 Fall...

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Chemistry 101 Section 242 Fall 2007 Quiz #3 VERSION A October 2, 2007 Required: Scantron form 882-E Instructions: Do not open this quiz until instructed to do so. (1) Write your name on your Scantron Form (2) Write Version A in the box for “Test No.” (3) Answer all questions on your Scantron Form (4) When instructed to do so, check to ensure that your quiz has 20 multiple choice questions
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You may write on this test, but only the Scantron Form will be scored! Answer the questions on your Scantron form. Each question is worth 2 points. Maximum Score: 40 points 1) 1) What pressure will 2.6 x 10 23 molecules of H 2 exert in a 3.9 L container at 45°C? (a) 2.9 atm (b) 4.6 atm (c) 1.7 atm (d) 5.7 atm (e) 3.4 atm 2) What volume will 0.780 moles of He occupy at STP? (a) 43.7 L (b) 15.6 L (c) 22.4 L (d) 17.5 L (e) 70.0 L 3) What volume (in mL) will a sample of F 2 gas occupy in a syringe at 5.5 atm, if the F 2 has a volume of 25.0 mL at 1.2 atm? (a) 17 mL (b) 3.8 mL (c) 11 mL (d) 7.6 mL (e) 5.5 mL 4) What temperature must a balloon, initially at 25 ° C and 2.00 L, be heated in order to have a volume of 6.00 L? (a) 894 K (b) 403 K (c) 75 K (d) 993 K (e) 655 K
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5) A sample of gas initially has a volume of 859 mL at 565 K and 2.20 atm. What pressure will the sample have if the volume changes to 268 mL while the
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This note was uploaded on 06/25/2008 for the course CHEM 1A taught by Professor Nitsche during the Spring '08 term at University of California, Berkeley.

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Chem101_Quiz3A_shortkey - Chemistry 101 Section 242 Fall...

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