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Identify the Equilibrium Constant Expression for the Following Reaction A)

Question 2

Multiple Choice

Identify the equilibrium constant expression for the following reaction: 2C8H18( g) +25O2( g) f16CO2( g) +18H2O(g) 2 \mathrm { C } _ { 8 } \mathrm { H } _ { 18 } ( \mathrm {~g} ) + 25 \mathrm { O } _ { 2 } ( \mathrm {~g} ) f \quad 16 \mathrm { CO } _ { 2 } ( \mathrm {~g} ) + 18 \mathrm { H } _ { 2 } \mathrm { O } ( \mathrm { g } )


A) [CO2]16[H2O]18[C8H18]2[O2]25\frac { \left[ \mathrm { CO } _ { 2 } \right] ^ { 16 } \left[ \mathrm { H } _ { 2 } \mathrm { O } \right] ^ { 18 } } { \left[ \mathrm { C } _ { 8 } \mathrm { H } _ { 18 } \right] ^ { 2 } \left[ \mathrm { O } _ { 2 } \right] ^ { 25 } }
B) [CO2]16[H2O]13[C8H18]2[O2]25\left[ \mathrm { CO } _ { 2 } \right] ^ { 16 } \left[ \mathrm { H } _ { 2 } \mathrm { O } \right] ^ { 13 } \left[ \mathrm { C } _ { 8 } \mathrm { H } _ { 18 } \right] ^ { 2 } \left[ \mathrm { O } _ { 2 } \right] ^ { 25 }
C) [CO2]16[H2O]18[C8H18]2[O2]25\left[ \mathrm { CO } _ { 2 } \right] ^ { 16 } \left[ \mathrm { H } _ { 2 } \mathrm { O } \right] ^ { 18 } - \left[ \mathrm { C } _ { 8 } \mathrm { H } _ { 18 } \right] ^ { 2 } \left[ \mathrm { O } _ { 2 } \right] ^ { 25 }
D) [CO2]16[H2O]18+[C8H18]2[O2]25\left[ \mathrm { CO } _ { 2 } \right] ^ { 16 } \left[ \mathrm { H } _ { 2 } \mathrm { O } \right] ^ { 18 } + \left[ \mathrm { C } _ { 8 } \mathrm { H } _ { 18 } \right] ^ { 2 } \left[ \mathrm { O } _ { 2 } \right] ^ { 25 }
E) [C8H18]2[O2]25[CO2]16[H2O]18\frac { \left[ \mathrm { C } _ { 8 } \mathrm { H } _ { 18 } \right] ^ { 2 } - \left[ \mathrm { O } _ { 2 } \right] ^ { 25 } } { \left[ \mathrm { CO } _ { 2 } \right] ^ { 16 } - \left[ \mathrm { H } _ { 2 } \mathrm { O } \right] ^ { 18 } }

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