Complete combustion equations

Write balanced equations for the complete combustion of hydrocarbons, alcohols and other organic compounds, and of reactive metals and non-metals in oxygen, giving carbon dioxide and water as the products for organic fuels.

Tę umiejętność sprawdza 9 zadań wzorowanych na arkuszach IB z lat 2023–2026.

Zadania sprawdzające tę umiejętność: 9 Otwórz w wyszukiwarce z filtrami

Chemia IBPaper 1A, maj 2026, TZ1wzorowane1 pktzamknięteśrednie (szac.)

Zadanie 16

What is the sum of the coefficients when this equation is balanced with the smallest whole numbers? $\ce{\_CH3CH(CH3)CH2CH2CH3 + \_O2 -> \_CO2 + \_H2O}$ A. 20 B. 37 C. 47 D. 53

Chemia IBPaper 1A, maj 2026, TZ2wzorowane1 pktzamkniętełatwe (szac.)

Zadanie 17

Ethane burns in a limited supply of oxygen. Which product is formed by incomplete combustion but not by complete combustion? A. CO₂ B. CO C. H₂O D. SO₂

Chemia IBPaper 1A, maj 2025, TZ2wzorowane1 pktzamkniętełatwe (szac.)

Zadanie 17

What is the coefficient of oxygen when the equation for the complete combustion of butan-1-ol is balanced using the smallest whole numbers? The unbalanced equation is C₄H₉OH + O₂ → CO₂ + H₂O. A. 4 B. 6 C. 7 D. 13

Chemia IBPaper 1A, listopad 2025, TZ3wzorowane1 pktzamkniętełatwe (szac.)

Zadanie 15

When the equation for the complete combustion of 1 mol of pentan-1-ol, C₅H₁₁OH, is balanced, what is the sum of all the coefficients? Unbalanced equation: C₅H₁₁OH(l) + O₂(g) → CO₂(g) + H₂O(l) A. 19 B. 19.5 C. 20 D. 39

Chemia IBPaper 2, specimen 2025wzorowane1 pktotwartełatwe (szac.)

Zadanie 4a

Write an equation for the complete combustion of C₁₉H₄₀.

Chemia IBPaper 3, maj 2024, TZ1wzorowane1 pktotwartełatwe (szac.)

Zadanie 10a

Ethane forms a solid compound with water, ethane hydrate, which looks like ice but burns when ignited because the ice-like cages release ethane gas. In an idealized sample the formula is (C₂H₆)₃(H₂O)₂₃ and the molar mass is…

Chemia IBPaper 3, maj 2023, TZ1wzorowane2 pktotwarteśrednie (szac.)

Zadanie 6b

Sucrose, C₁₂H₂₂O₁₁, and the triglyceride glyceryl tripalmitate, C₅₁H₉₈O₆, can both be completely oxidized in the body to carbon dioxide and water. Write balanced equations for the complete oxidation of each compound. C₁₂H₂₂O₁₁:…

Chemia IBPaper 2, maj 2023, TZ2wzorowane4 pktobliczenioweśrednie (szac.)

Zadanie 6d

(i) Write the equation for the complete combustion of propan-1-ol, CH₃CH₂CH₂OH. (ii) Determine the enthalpy change, in kJ mol⁻¹, for the combustion of gaseous propan-1-ol to give gaseous carbon dioxide and gaseous water, using bond…

Chemia IBPaper 3, maj 2023, TZ2wzorowane1 pktotwartełatwe (szac.)

Zadanie 12a

Methane, the main component of natural gas, burns in a domestic boiler. State the main form of energy released directly by the combustion reaction.

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