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A rigid tank contains 1.80 moles of helium, which can be treated as an ideal gas, at a pressure of 20.4 atm. While the tank and gas maintain a constant volume and temperature, a number of moles are removed from the tank, reducing the pressure to 4.50 atm. How many moles are removed? 0.397 This is the final number of moles. What is the difference between this and the initial number of moles? mol What If? In a separate experiment beginning from the same initial conditions, including a temperature T, 25.0°C, half the number of moles found in part (a) are withdrawn while the temperature is allowed to vary and the pressure undergoes the same change from 20.4 atm to 4.50 atm. What is the final temperature (in °C) of the gas? 141.53 X °C

A rigid tank contains 1.80 moles of helium, which can be treated as an ideal gas, at a pressure of 20.4 atm. While the tank and gas maintain a constant volume and temperature, a number of moles are removed from the tank, reducing the pressure to 4.50 atm. How many moles are removed? 0.397 This is the final number of moles. What is the difference between this and the initial number of moles? mol What If? In a separate experiment beginning from the same initial conditions, including a temperature T, 25.0°C, half the number of moles found in part (a) are withdrawn while the temperature is allowed to vary and the pressure undergoes the same change from 20.4 atm to 4.50 atm. What is the final temperature (in °C) of the gas? 141.53 X °C

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(a) A rigid tank contains 1.80 moles of helium, which can be treated as an ideal gas, at a pressure of 20.4 atm. While the tank and gas maintain a constant volume and temperature, a number of moles are removed from the tank, reducing the pressure to 4.50 atm. How many moles are removed? 0.397 This is the final number of moles. What is the difference between this and the initial number of moles? mol (b) What If? In a separate experiment beginning from the same initial conditions, including a temperature T; of 25.0°C, half the number of moles found in part (a) are withdrawn while the temperature is allowed to vary and the pressure undergoes the same change from 20.4 atm to 4.50 atm. What is the final temperature (in °C) of the gas? 141.53 X °C Need Help? Read It
Transcribed Image Text:(a) A rigid tank contains 1.80 moles of helium, which can be treated as an ideal gas, at a pressure of 20.4 atm. While the tank and gas maintain a constant volume and temperature, a number of moles are removed from the tank, reducing the pressure to 4.50 atm. How many moles are removed? 0.397 This is the final number of moles. What is the difference between this and the initial number of moles? mol (b) What If? In a separate experiment beginning from the same initial conditions, including a temperature T; of 25.0°C, half the number of moles found in part (a) are withdrawn while the temperature is allowed to vary and the pressure undergoes the same change from 20.4 atm to 4.50 atm. What is the final temperature (in °C) of the gas? 141.53 X °C Need Help? Read It
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