110224_Quiz2_answer

110224_Quiz2_answer - Your Name . Quiz 1 Feb 25, 2011 [...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Your Name . [ / 1 0 ] Chem340 Physical Chemistry for Biochemists Quiz 1 Feb 25, 2011 Q1. Calculate S if the temperature of 1 mol of an ideal gas with C V,m = 3/2 R is increased from 150 K to 350 K under conditions of constant volume . Choose the correct formula. (a) ) / ln( K K R 350 150 2 3 (b) ) / ln( K K R 350 150 2 (c) ) / ln( K K R 350 150 2 5 (d) ) / ln( K K R 150 350 2 3 (e) ) / ln( K K R 150 350 2 (f) ln 2 5 R (350K/150K) Q2. Which relationship is correct for an irreversible process? Choose all correct answer(s). (a) T Dq le irreversib 0 (b) 0 dS (c) T Dq dS le irreversib (d) T Dq dS le irreversib (e) T Dq dS le irreversib (f) T Dq dS le irreversib (g) 0 dS (h) T Dq dS le irreversib (i) T Dq le irreversib 0 Q3. One mole of N 2 at 300K and 6.0 bar undergoes a transformation to the state described by 150K and 2.0 bar. Choose that most appropriate formula that represents Δ S for 1 1 m p, C mol JK K T B A . Assume that the unit is JK -1 . (a)    ) 150 ) 150 / 300 ln( bar 2.0 bar 6.0 ln B A R (b)     ) 150 ) 300 / 150 ln( bar 6.0 bar 2.0 ln B A R (c)     ) 150 ) 300 / 150 ln( bar 2.0 bar 6.0 ln B A R (d)
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 03/06/2011 for the course CHEM 340 taught by Professor Staff during the Spring '08 term at Ill. Chicago.

Page1 / 2

110224_Quiz2_answer - Your Name . Quiz 1 Feb 25, 2011 [...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online