18 days ago

(a) Triply charged uranium-235 and uranium-238 ions are being separated in a mass spectrometer. (The much rarer uranium-235 is u

sed as reactor fuel.) The masses of the ions are 3.90x10—25 kg and 3.95x10—25 kg , respectively, and they travel at 3.00x105 m/s in a 0.250-T field. What is the separation between their paths when they hit a target after traversing a semicircle? (b) Discuss whether this distance between their paths seems to be big enough to be practical in the separation of uranium-235 from uranium-238.

Physics

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A system expands from a volume of 1.00 l to 2.00 l against a constant external pressure of 1.00 atm. what is the work (w) done b

Keith_Richards [3271]

The amount of work performed by a system at consistent pressure is defined by the following equation:
$W=p \Delta V = p (V_f - V_i)$
where
p represents pressure
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Plugging the values given in this case into the formula gives us
$W=p (V_f -V_i)=(1.00 atm)(2.00 L-1.00 L)=1.00 L\cdot atm$

Considering that $1 atm \cdot L = 101.3 J$ , the result for the work done becomes
$W= 1.00 atm \cdot L = 101.3 J$

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