assuming the standard values for the atmospheric partial pressure of N2, O2, AND CO2 at sea level, what is the approximate total partial pressure of the remainig atmospheric gases?

To determine the approximate total partial pressure of the remaining atmospheric gases at sea level, we need to subtract the partial pressures of nitrogen (N2), oxygen (O2), and carbon dioxide (CO2) from the total atmospheric pressure.

The standard atmospheric pressure at sea level is commonly accepted as 101.325 kilopascals (kPa) or 1 atmosphere (atm).

The composition of dry air is approximately 78% nitrogen, 21% oxygen, and 0.04% carbon dioxide.

Given this information, we can calculate the partial pressures of nitrogen, oxygen, and carbon dioxide as follows:

Partial pressure of N2 = 0.78 * Total atmospheric pressure
Partial pressure of O2 = 0.21 * Total atmospheric pressure
Partial pressure of CO2 = 0.0004 * Total atmospheric pressure

Now, let's substitute the values:

Partial pressure of N2 = 0.78 * 101.325 kPa ≈ 79.04 kPa
Partial pressure of O2 = 0.21 * 101.325 kPa ≈ 21.27 kPa
Partial pressure of CO2 = 0.0004 * 101.325 kPa ≈ 0.04 kPa

To determine the approximate total partial pressure of the remaining atmospheric gases, we need to subtract the partial pressures of N2, O2, and CO2 from the total atmospheric pressure:

Total partial pressure of remaining atmospheric gases = Total atmospheric pressure - Partial pressure of N2 - Partial pressure of O2 - Partial pressure of CO2

Total partial pressure of remaining atmospheric gases ≈ 101.325 kPa - 79.04 kPa - 21.27 kPa - 0.04 kPa

Total partial pressure of remaining atmospheric gases ≈ 0.015 kPa

Therefore, the approximate total partial pressure of the remaining atmospheric gases is approximately 0.015 kilopascals (kPa).