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 A 1.20 g sample of dry ice is added to a 755 ml flask containing nitrogen gas at a room temperature of 25.0oC and a pressure of 725 mmHg. The dry ice is allowed to sublime (convert from solid to gas) and the mixture is allowed to return to 25.0 oC. What is the total pressure in the flask?

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Iris Mandia
Iris MandiaLv9
14 Jan 2021

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Related questions

1.)To prevent tank rupture during deep-space travel, an engineering team is studying the effect of temperature on gases confined to small volumes. What is the pressure of 4.00 mol of gas D measured at 251 ∘C in a 1.75-L container assuming real behavior?

2.) A 1.15 −g sample of dry ice is added to a 750 −mL flask containing nitrogen gas at a temperature of 25.0 ∘C and a pressure of 735 mmHg . The dry ice is allowed to sublime (convert from solid to gas) and the mixture is allowed to return to 25.0 ∘C.What is the total pressure in the flask?

SHOW WORK for points.

1. A 1.20 g sample of dry ice is added to a 755 mL flask containing N2 gas at 25.0 °C and 725 mmHg. If all of the dry ice sublimes (converts from a solid to a gas) and the temperature in the flask then returns to 25.0 °C, what is the total pressure in the flask?

2. A mixture of gasses contains 1.25 g N2 and 0.85 g O2 in a 1.55 L flask at 18 °C. Calculate the mole fraction and partial pressure of each component in the gas mixture.

3. CH3OH is synthesized via the following reaction: CO (g) + 2H2 (g) ïƒ CH3OH (g) . If the reaction occurs at 748 mmHg and 25 °C , what volume of H2 gas (in L) is necessary to synthesize 25.8 g CH3OH? What volume (L) of CO gas is required?

4. Hydrogen gas can be formed by the reaction of methane and water according to the following equation: CH4 (g) + H2O (g) ïƒ CO (g) + 3H2 (g) . In one reaction, 25.5 L of methane gas (at P = 732 Torr, T = 25 °C) is mixed with 22.8 L of water vapor (at P = 702 Torr, T = 125 °C). The reaction produces 26.2 L hydrogen gas at STP. What is the percent yield of the reaction?

A 65.56 g quantity of dry ice (solid carbon dioxide) is allowed to sublime (evaporate) in a position like apparatus. Calculate the expansion work done against external pressure of 0.956 atm and at a constant temperature of 22C. Assume that the initial volume of dry ice id negligible and the CO2 behaves as an ideal gas (1L•atm=101.3J)

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