Molecules expressions.

Chemistry Level 2

a H X 2 + b O X 2 → c H X 2 O \ce { aH2 + bO2 -> cH2O }

d N X 2 + e H X 2 → f N H X 3 \ce { dN2 + eH2 -> fNH3 }

Balance the two chemical reactions above. Submit your answer as the smallest possible product of integers a , b , c , d , e , f . a,b,c,d,e,f .


The answer is 24.

. . by . . , 14, South Korea

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1 solution

. .
Mar 30, 2021

Answer : 2 H X 2 + O X 2 → 2 H X 2 O \ce { 2H2 + O2 -> 2H2O } , and N X 2 + 3 H X 2 → 2 N H X 3 \ce { N2 + 3H2 -> 2NH3 } .

So, a b c d e f = 2 × 1 × 2 × 1 × 3 × 2 = 24 abcdef = 2 \times 1 \times 2 \times 1 \times 3 \times 2 = \boxed { 24 } .

The coefficient 1 1 is usually not shown.

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