In the reaction _S +3O2 → 2SO3, what coefficient should be placed in front of the S to balance the reaction? i need the answer.
2 answers:
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Answer:
48 + 18√13 cm²
Step-by-step explanation:
HC = BC/2 = 4m/2 = 2 m
AC = √AH² + HC² = √9 + 4 = √13
A = 2×A(ABC) + 2×A(ACFD) + A(BCFE)
= 2×AH×BC/2 + 2×AC×CF + BC×CF
= 2×3×4/2 + 2×√13×9 + 4×9
=12 + 18√13 + 36
= 48 + 18√13 cm²
When f(x) = 0,
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Answer : x = 5 or -5
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Answer : x = 5 or -5
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