73. Silicon carbide, an abrasive, is made by the reaction of silicon dioxide with graphite.
SiO2 + 3C SIC + 2CO
If 100 g of SiO2 and 100 g of C are reacted as far as possible,
which one of the following statements will be correct? (Atomic
weight (g/mol): C =12, 0 =16, Si = 28)
A. 111 g of SiO2 will be left over.
B. 44 g of SiO2 will be left over.
C. 82 g of C will be left over.
D. 40 g of C will be left over.

> b takes place in the gas phase in an isothermal tubular reactor. the feed is one mole of a per one mole of c, an inert. the entering temperature and pressure are 427°c and 10 atm, respectively. the gas constant r = 0.08206 atm · l/mol · k.

it was spontaneous.

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