Question

select the correct compound. reactants undergo chemical reaction to form products. this chemical equation represents one such reaction. the coefficient for one of the reactants or products is incorrect. which part of the chemical equation is incorrect?
2c₄h₁₀ + 10o₂ → 8co₂ + 10h₂o

Explanation:

Step1: Analyze Carbon Atoms

Left side: \(2\) moles of \(C_4H_{10}\), so C atoms: \(2\times4 = 8\).
Right side: \(8\) moles of \(CO_2\), so C atoms: \(8\times1 = 8\) (balanced for C).

Step2: Analyze Hydrogen Atoms

Left side: \(2\) moles of \(C_4H_{10}\), H atoms: \(2\times10 = 20\).
Right side: \(10\) moles of \(H_2O\), H atoms: \(10\times2 = 20\) (balanced for H).

Step3: Analyze Oxygen Atoms

Left side: \(10\) moles of \(O_2\), O atoms: \(10\times2 = 20\).
Right side: \(8\) moles of \(CO_2\) (\(8\times2 = 16\) O) + \(10\) moles of \(H_2O\) (\(10\times1 = 10\) O) = \(26\) O.
Oxygen is unbalanced. The coefficient of \(O_2\) should be calculated:
Total O needed: \(16 + 10 = 26\), so \(O_2\) moles: \(\frac{26}{2}=13\). Thus, \(10O_2\) is incorrect.

Answer:

The incorrect part is \(10O_2\) (the coefficient of \(O_2\) in reactants).