Calculate the pressure in atmospheres exerted by 10.0moles of hydrogen gas at 293 kelvins if it is stored in a 7.50 liter container. your value should be a decimal number written to three significant figures. given: r= 0.08205 liter x atmosphere/mole x kelvin

To determine the pressure of the gas, we need an equation which would relate pressure to the values given like the number of moles, temperature and the volume of the system. For simplicity, we can assume that the hydrogen gas is an ideal gas so we use the equation PV=nRT where P is the pressure, V is the volume, n is the number of moles, R is the universal gas constant and T is the temperature. 

PV = nRT
P = nRT / V
P = 10.0 mol  (0.08205 L - atm / mol-K) (293 K) / 7.50 L
P = 32.0542 atm
 Therefore, the pressure of the system would be 32.054 atm

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Iwould you figure it out but you don't have a picture or in your question as to what the physical property you're looking for is