Clearly state all assumptions and show your work, including unit cancellations R

Question

Clearly state all assumptions and show your work, including unit cancellations Report answers in metric units and use scientific notation where appropriate Work alone or in small groups. Each student must submit their own work. Given a temperature in degrees Celsius, the equilibrium vapor pressure of water can be approximated in Torr by the Antoine equation: log_10 P = (A - B/C+ T) Where A = 8.07131, B = 1730.63, and C = 233.426 The percent relative humidity is defined as: Relative humidity = actual vapour pressure/equlibrium vapour pressure Times 100% If all the molecules of water vapor in this classroom were condensed into liquid water, what volume would the liquid occupy? The current mole fraction of carbon dioxide in air is 0.000402. What is the total mass of CO_2 in this classroom?

Explanation / Answer

To obtain the total mass of CO2 in the classroom
according to the National Center for Atmospheric Research
The total mean mass of the atmosphere is 5.1480×1018 kg.
Thus, the total weight of CO2 = 0.000402 x 5.1480 x 1015 tonnes.
Therefore the total mass of CO2 in the classroom is 2.106 tones.

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