If 20 L of O2 burns completely a sample of carbon disulfide, how many liters of carbon dioxide are produced, how many liters of carbon dioxide are required? How did you get 16?

Would you like to rework the problem. It makes no sense as written.

To determine the amount of carbon dioxide produced when 20 L of O2 burns completely a sample of carbon disulfide, we need to first consider the balanced chemical equation for the reaction.

The balanced equation for the combustion of carbon disulfide (CS2) in the presence of oxygen (O2) is as follows:

CS2 + 3O2 -> CO2 + 2SO2

From the equation, we can see that for every 1 mole of CS2, it reacts with 3 moles of O2 to produce 1 mole of CO2. Therefore, the stoichiometric ratio of CS2 to CO2 is 1:1.

To determine the volume of carbon dioxide produced, we need to convert the given volume of oxygen (O2) to the volume of carbon dioxide (CO2) using the stoichiometric ratio.

Now, to find the number of liters of carbon dioxide produced, we can use the following steps:

Step 1: Convert the given volume of O2 (20 L) to the amount in moles. To do this, we need to know the conditions of temperature and pressure since gases obey the ideal gas law.

Step 2: Once we know the moles of O2, we can use the stoichiometric ratio to determine the moles of CO2 produced since the ratio is 1:1.

Step 3: Convert the moles of CO2 to liters using the ideal gas law or molar volume at standard conditions (usually 22.4 liters/mol at 0°C and 1 atm pressure).

Without more information given about the temperature and pressure, it would be challenging to determine the exact amount of CO2 produced from the given 20 L of O2. However, if we assume standard conditions, we can obtain an approximate value by using the molar volume of 22.4 liters/mol.

For every 1 mole of CO2, it occupies 22.4 liters at standard conditions. Therefore, if we assume complete combustion, the 20 liters of O2 would produce approximately 20 liters of CO2.

Regarding the value of 16 liters that you mentioned, without further information or clarification, I cannot determine how that value was obtained or if it is relevant to the given question.