1. Boron trichloride (BCI3) gas can be fed into a gas stream and for doping silicon. The simplest reaction (not the only one) is 4BC13 + Si → 3Siclą + 4B If all the BCI3 not reacted is recycled, what is the mole ratio of recycle to SiCl4 exiting the separator? The conversion on one pass through the reactor is 87% and 1 mole per hour of BCI3 is fed to the reactor.

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Steady State Model

The steady-state model typically states that the entire universe is always enlarging, although it balances a fixed average density and matter that is being constantly generated to make new galaxies, star forms at a similar rate that the previous ones get indistinguishable due to the growing range and velocity of recession.