Zadanie 20
What is the sum of the coefficients when this equation is balanced with the smallest whole numbers? A. 20 B. 37 C. 47 D. 53
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
Zadanie 20
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
Zadanie 20
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
Zadanie 19
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
Zadanie 5a
Complete combustion turns pentadecane entirely into carbon dioxide and water. Write the corresponding balanced equation.
Zadanie 13a
Write an equation for the complete combustion of ethane.
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…
Zadanie 7b
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:…
Zadanie 16a
Methane, the main component of natural gas, burns in a domestic boiler. State the main form of energy released directly by the combustion reaction.