The graph below shows the ideal gas law relationship (PV nRT) between pressure (

Question

The graph below shows the ideal gas law relationship (PV nRT) between pressure (P) and volume (V). If the tank is filled with 5 grams of oxygen (formula, O2 molecular weight, 32 grams per mole), what is the temperature of the tank in units of degrees Celsius? Click the icon to view the graph of the ideal gas law relationship. Click the icon to view conversion formulas for temperature scales. Click the icon to view the value and units of gas constant R for Ideal Gas Law. The temperature of the tank is 117 (Round your answer to the nearest whole number)

Explanation / Answer

PV = nRT

T = PV/(nR)

n = masS/MW = 5/32 = 0.15625 mol

from the equatino

PV = 8

T = PV/(nR)

T = 8/(0.15625 *0.082) = 624.3 K

T = 624.3-273

T = 351.3 °C

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