kaylee0424

09.12.2020 • 

Chemistry

Which of the following statements is/are true of combustion of gasoline in O 2 ? 1. The combustion reaction is spontaneous, so the free-energy change is negative.

2. The combustion reaction is spontaneous, so the free-energy change is positive.

3. The free energy of the system increases as the reactants are converted to products.

Ответ:

Ezekielcassese

24.11.2020

Chemistry

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Iron is extracted from iron ore in a huge container called a blast furnace. Iron ores such as haematite contain iron(III) oxide, Fe 2O 3. ... In this reaction, the iron(III) oxide is reduced to iron, and the carbon is oxidised to carbon dioxide.

Explanation:

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