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# scan0002 - tier n RT 7 ll 1 w”;— 9 M V(V ﬂki’ Page...

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Unformatted text preview: tier. -, n RT 7 ll 1 w”;— 9 M, . ? V (V : ﬂki’ Page 2/2 3. Fill in the blanks (6 points total, 1 point each) 1 7: 1:! Use the ideal gas law for this series of questions. " 9‘ ———-—Howidees—the—variableénquestien—ehangergivemthecaonéitions—fogthaatheneonst—ants—Tl—In—the blanks, write “increases,” “decreases,” or “stays the same” - _ P . constant i increases m or car ES 4 increases i constant mum at c. S constant h ' 1 9 " 5‘15 increases ., J ' increases GEM ' ’ 5* SQ s constant in. are as g, S constant increases 1 (1! acre at Q S ‘ increases constant ' f!) 4. Multiple choice (6 points total 2 points each) Use the van der Waals equation for gases, as given here to answer the following questions: (P-i—(an2/V2))(V- nb)_ - nRT For the following multiple choice questions, circle all that apply I) What does a correct for? ”N a. ttractions b.repn151ons c. moles (1. volume 4* (ll) What does correct for? r ‘ ,, 'a. attractions pulsions c.11101es Wolume i (III) For ammonia, given a = 4.225 atmL2 rnol'z, and b : 3.707 L mol’l, calculate T when P: l ' atm, V: 50L, and n: 3 moles. , ( 1 + or?" 'U—hb) q-.ZZS(3‘)% I ‘- (LteL (H WM 30:.” Mt nil , 31.20311 1 b. 156K @60K d. 198K 3 ( 03205 ) 5. Calculation / Short answer (6 points) 2" ' 7 {)9 For a given. system, the root—mean—square velocity is given bythe equation on your equation sheet. If the molar’nlass changes by a factor of 4, how does the vmS change with respect to the original? Show all calculations. Write your answer in the form of a ratio and a deis'cgiption of the comparison in. ’5 (1 wiﬂwqfdsogless} is, ii’ M 3 1 11" may, lions: ”M: 9 1,; H: 4 )1”: mo W» B 0 rm? «r 1%“? ' ' . .. _ [WM {41, 9 \$5 \$2] bccwttvrm : 3(' 68205)? (100): 4.1g' Vrmé " E'Lfg «M11761»??? ‘5“ M as flat rmaihr ”a yrs-1&5 15.1 ' ((7 By signing below I assert that I have taken this quiz without the use of any outside aid and certify that all work shown 11 this quiz is my own. date: 12-0I—09 ...
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