Question

Рассчитайте количество кислорода, необходимое для сжигания 100 г гептана.​

Answer 1

Ответ:

Объяснение:

0.1 кг

Answer 2

Calculating the Amount of Oxygen Required to Burn 100g of Heptane

To calculate the amount of oxygen required to burn 100g of heptane, we can use the balanced chemical equation for the combustion of heptane.

The balanced chemical equation for the combustion of heptane is: C7H16 + 11O2 → 7CO2 + 8H2O

From the balanced chemical equation, we can see that 1 mole of heptane (C7H16) reacts with 11 moles of oxygen (O2) to produce 7 moles of carbon dioxide (CO2) and 8 moles of water (H2O).

Using the molar mass of heptane and oxygen, we can calculate the amount of oxygen required to burn 100g of heptane.

The molar mass of heptane (C7H16) is approximately 100.2 g/mol. The molar mass of oxygen (O2) is approximately 32 g/mol.

Calculation:

1. Calculate the moles of heptane in 100g: moles of heptane = mass of heptane / molar mass of heptane moles of heptane = 100g / 100.2 g/mol

2. Calculate the moles of oxygen required: moles of oxygen = moles of heptane * (11 moles of O2 / 1 mole of C7H16)

3. Convert moles of oxygen to grams: mass of oxygen = moles of oxygen * molar mass of oxygen

Result:

By following the above calculations, the amount of oxygen required to burn 100g of heptane is approximately 374g.