winter 08 midterm+2+vB+answers

winter 08 midterm+2+vB+answers - v O no r\ ( 6 p oints) A s...

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

View Full Document Right Arrow Icon
vr\ 1. (6 points) A sample of Clz gas is placed into a 3.0 L rigid container, and a pressure of l-.8 atm is measured. The root-means-square speed of the Clz molecules is measured as 489 m s-1. How manv molecules of Clz are in the container? \rtrj 'f tttl) t ( u. o+otos ) :. 6to. K 4 - 5( 1. t,)lrt T= ^pv A"r -r Vtt - 'Ar - 5 Q. rJCl,o) - T cxf{^* 4k ^J{r'9 \a-t c\ l*t"r'\ Lult point s{ ' LoJor c-bq b 5< d+ fie, sirr x( o q, 0".g , C6't , "!,qfi"< w\r-t.l j3: ft{"n*tt, r4.t.(: ## \-tL', \+t = 641 Y^ol Q.otlo $t) (bto ,) 2. (5 points) The melting point of CCl+ ts -22"C. Would you expect the melting point of CBr+ to be -91 'C or 91 "C? Explain your answer (no points awarded without an explanation). {o 4td ,1";> | u } i o'f \^ cC [-{ r (L+.< R"e '+ \es tth, ./ o ru& LuF 5 <,r,t {\^> .. ltil\r, -"/"t0y fotn*. 3. (3 points) Ne and a second unknown noble gas are trapped in a pressurized box. From a pinhole drilled in the side, the unknown gas
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.

Page1 / 4

winter 08 midterm+2+vB+answers - v O no r\ ( 6 p oints) A s...

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