561_Physics ProblemsTechnical Physics

561_Physics ProblemsTechnical Physics - Chapter 19 P19.51...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Chapter 19 563 P19.51 (a) ρ = m V and d m V dV =− 2 For very small changes in V and , this can be expressed as ρρ β m V V V T . The negative sign means that any increase in temperature causes the density to decrease and vice versa. (b) For water we have == °− ° =× ° −− T 10000 09997 100 40 51 0 .. . gcm C C C 33 3 ej af . *P19.52 The astronauts exhale this much CO 2 : n m M F H G I K J F H G I K J = sample kg astronaut day g 1 kg astronauts days mol 44.0 g mol 109 1000 37 1 520 . a f bg . Then 520 mol of methane is generated. It is far from liquefaction and behaves as an ideal gas. P nRT V ⋅− × 520 273 45 150 10 657 10 3
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.
Ask a homework question - tutors are online