Chemistry Chemistry Practice Problems Solutions Library

Partial Pressure Solutions Library

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109 solutions

Partial Pressure

Q. Consider this molecular-level representation of a gas.If the partial pressure of the diatomic gas is 0.480 atm, what is the total pressure?

Solved • Mar 30, 2020

Partial Pressure

Q. Consider this molecular-level representation of a gas.If the partial pressure of the diatomic gas is 0.810 atm, what is the total pressure?

Solved • Mar 20, 2020

Partial Pressure

Q. Calculate the vapor pressure (in torr) at 298 K in a solution prepared by dissolving 32 g of the non-volatile non-electrolye glucose in 186 g of me...

Solved • Dec 12, 2019

Partial Pressure

Q. A gas sample contains 3.50 moles of argon, 2.08 moles of neon and 1.22 moles of nitrogen. If the total pressure of the sample is 3.66 atm, what is ...

Solved • Nov 29, 2019

Partial Pressure

Q. The partial pressures of CH4, N2, and O2 in a sample of gas were found to be 155 mmHg, 476 mmHg, and 669 mmHg, respectively. What is the mole fract...

Solved • Nov 21, 2019

Partial Pressure

Q. Part 1. A closed system with a volume of 2.0 L contains radon gas and liquid water, and the container is allowed to equilibrate at 27°C until the t...

Solved • Aug 25, 2019

Partial Pressure

Q. A heliox deep-sea diving mixture contains 2.0 g of oxygen to every 98.0 g of helium. What is the partial pressure of oxygen when this mixture is de...

Solved • Aug 8, 2019

Partial Pressure

Q. Air is about 78.0% nitrogen molecules and 21.0% oxygen molecules. Several other gases make up the remaining 1% of air molecules. What is the partia...

Solved • Aug 8, 2019

Partial Pressure

Q. During a persons typical breathing cycle, the CO2 concentration in the expired air rises to a peak of 4.6% by volume.Calculate the partial pressure...

Solved • Dec 3, 2018

Partial Pressure

Q. At 63.5oC the vapor pressure of H2O is 175 torr, and that of ethanol (C2H5OH) is 400 torr. A solution is made by mixing equal masses of H2O and C2H...

Solved • Dec 3, 2018

Partial Pressure

Q. At 20 oC the vapor pressure of benzene C6H6 is 75 torr and that of toluene C7H8 is 22 torr. Assume that benzene and toluene form an ideal solution....

Solved • Dec 3, 2018

Partial Pressure

Q. In a system for separating gases a tank containing a mixture of hydrogen and carbon dioxide is connected to a much larger tank where the pressure i...

Solved • Oct 31, 2018

Partial Pressure

Q. How is the partial pressure exerted by N2 gas affected when some O2 is introduced into a container if the temperature and volume remain constant?

Solved • Oct 31, 2018

Partial Pressure

Q. Consider the following samples of gases:If the three samples are all at the same temperature, rank them with respect to total pressure (Pt).

Solved • Oct 31, 2018

Partial Pressure

Q. Assume that an exhaled breath of air consists of 74.7 % N2, 15.4 % O2, 3.8 % CO2, and 6.1 % water vapor.If the total pressure of the gases is 0.990...

Solved • Oct 31, 2018

Partial Pressure

Q. Assume that an exhaled breath of air consists of 74.7 % N2, 15.4 % O2, 3.8 % CO2, and 6.1 % water vapor.If the total pressure of the gases is 0.990...

Solved • Oct 31, 2018

Partial Pressure

Q. Assume that an exhaled breath of air consists of 74.7 % N2, 15.4 % O2, 3.8 % CO2, and 6.1 % water vapor.If the total pressure of the gases is 0.990...

Solved • Oct 31, 2018

Partial Pressure

Q. A sample of 1.43 g of helium and an unweighed quantity of O2 are mixed in a flask at room temperature. The partial pressure of helium in the flask ...

Solved • Oct 31, 2018

Partial Pressure

Q. What is the mole fraction of O2 in a mixture of 15.1 g of O2, 8.18 g of N2, and 2.47 g of H2?

Solved • Oct 31, 2018

Partial Pressure

Q. What is the mole fraction of H2 in a mixture of 15.1 g of O2, 8.18 g of N2, and 2.47 g of H2?

Solved • Oct 31, 2018

Partial Pressure

Q. The atmospheric concentration of CO2 gas is presently 390 ppm (parts per million, by volume; that is, 390 L of every 106 L of the atmosphere are CO...

Solved • Oct 31, 2018

Partial Pressure

Q. Consider the apparatus below, which shows gases in two containers and one empty container.When the valves are opened and the gases are allowed to m...

Solved • Oct 31, 2018

Partial Pressure

Q. The drawing below represents a mixture of three different gases.Rank the three components in order of decreasing partial pressure. 

Solved • Oct 31, 2018

Partial Pressure

Q. Consider a mixture of two gases, A and B, confined in a closed vessel. A quantity of a third gas, C, is added to the same vessel at the same temper...

Solved • Oct 31, 2018

Partial Pressure

Q. Consider a mixture of two gases, A and B, confined in a closed vessel. A quantity of a third gas, C, is added to the same vessel at the same temper...

Solved • Oct 31, 2018

Partial Pressure

Q. A mixture of CH4 (g) and C2 H6 (g) has a total pressure of 0.54 atm . Just enough O2 (g) is added to the mixture to bring about its complete combus...

Solved • Oct 31, 2018

Partial Pressure

Q. A gas mixture contains 75.2% nitrogen and 24.8% krypton by mass.What is the partial pressure of krypton in the mixture if the total pressure is 776...

Solved • Oct 31, 2018

Partial Pressure

Q. A mixture of 8.1 g CH4 and 8.1 g Xe is placed in a container and the total pressure is found to be 0.45 atm .Find the partial pressure of CH4.

Solved • Oct 31, 2018

Partial Pressure

Q. A heliox deep-sea diving mixture contains 2.0 g of oxygen to every 98.0 g of helium.What is the partial pressure of oxygen when this mixture is del...

Solved • Oct 31, 2018

Partial Pressure

Q. A gas mixture contains an equal number of moles of He and Ne. The total pressure of the mixture is 6.0 atm .What is the partial pressure of He?

Solved • Oct 31, 2018

Partial Pressure

Q. A gas mixture contains an equal number of moles of He and Ne. The total pressure of the mixture is 6.0 atm .What is the partial pressure of Ne?

Solved • Oct 31, 2018

Partial Pressure

Q. A 2.00-L sample of O2(g) was collected over water at a total pressure of 785 torr and 25°C. When the O2(g) was dried (water vapor removed), the gas...

Solved • Oct 18, 2018

Partial Pressure

Q. A 1.00-L gas sample at 100.°C and 600. torr contains 50.0% helium and 50.0% xenon by mass. What are the partial pressures of the individual gases?

Solved • Oct 18, 2018

Partial Pressure

Q. A tank contains a mixture of 52.5 g oxygen gas and 65.1 g carbon dioxide gas at 27°C. The total pressure in the tank is 9.21 atm. Calculate the par...

Solved • Oct 18, 2018

Partial Pressure

Q. Consider the three flasks in the diagram below. Assuming the connecting tubes have negligible volume, what is the partial pressure of each gas and ...

Solved • Oct 18, 2018

Partial Pressure

Q. Consider the flask apparatus below, which now contains 2.00 L H  2 at a pressure of 360. torr and 1.00 L N2 at an unknown pressure. If the total pr...

Solved • Oct 18, 2018

Partial Pressure

Q. Consider the flasks in the following diagram. What are the final partial pressures of H 2 and N2 after the stopcock between the two flasks is opene...

Solved • Oct 18, 2018

Partial Pressure

Q. Consider the flasks in the following diagrams.c. Solve for the final pressure in terms of the original pressures of helium and neon. Assume tempera...

Solved • Oct 18, 2018

Partial Pressure

Q. Consider the flasks in the following diagrams.b. Assuming the connecting tube has negligible volume, draw what each diagram will look like after th...

Solved • Oct 18, 2018

Partial Pressure

Q. Determine the partial pressure of each gas as shown in the figure below. Note: The relative numbers of each type of gas are depicted in the figure.

Solved • Oct 18, 2018

Partial Pressure

Q. A sample of a compound of xenon and fluorine was confined in a bulb with a pressure of 18 torr. Hydrogen was added to the bulb until the pressure w...

Solved • Oct 17, 2018

Partial Pressure

Q. A sample of gas isolated from unrefined petroleum contains 90.0% CH4, 8.9% C2H6, and 1.1% C3H8 at a total pressure of 307.2 kPa. What is the partia...

Solved • Oct 17, 2018

Partial Pressure

Q. A cylinder of a gas mixture used for calibration of blood gas analyzers in medical laboratories contains 5.0% CO2, 12.0% O2, and the remainder N2 a...

Solved • Oct 17, 2018

Partial Pressure

Q. A 36.0–L cylinder of a gas used for calibration of blood gas analyzers in medical laboratories contains 350 g CO2, 805 g O2, and 4,880 g N2. At 25 ...

Solved • Oct 17, 2018

Partial Pressure

Q. An equimolar mixture of Ne and Xe is accidentally placed in a container that has a tiny leak. After a short while, a very small proportion of the m...

Solved • Oct 16, 2018

Partial Pressure

Q. A mixture of CO2 and Kr weighs 35.0 g and exerts a pressure of 0.708 atm in its container. Since Kr is expensive, you wish to recover it from the m...

Solved • Oct 16, 2018

Partial Pressure

Q. Containers A, B, and C are attached by closed stopcocks of negligible volume.If each particle shown in the picture represents 106 particles, (c) If...

Solved • Oct 16, 2018

Partial Pressure

Q. Three equal volumes of gas mixtures, all at the same  T, are depicted below (with gas A red, gas B green, and gas C blue):(a) Which sample, if any,...

Solved • Oct 16, 2018

Partial Pressure

Q. A gas mixture with a total pressure of 700 mmHg contains each of the following gases at the indicated partial pressure: 126 mmHg CO2, 220 mmHg Ar a...

Solved • Oct 5, 2018

Partial Pressure

Q. A mixture of hydrogen and neon gases, at a total pressure of 658 mm Hg, contains 0.147 grams of hydrogen and 1.59 grams of neon. What is the partia...

Solved • Sep 12, 2018

Partial Pressure

Q. A mixture of krypton and nitrogen gases at a total pressure of 950 mm Hg contains krypton at a partial pressure of 450 mm Hg. If the gas mixture co...

Solved • Sep 11, 2018

Partial Pressure

Q. A mixture of hydrogen and oxygen gases contains hydrogen at a partial pressure of 441 mm Hg and oxygen at a partial pressure of 486 mm Hg. What is ...

Solved • Sep 11, 2018

Partial Pressure

Q. A mixture of He, Ne, and Ar has a pressure of 29.9 atm at 28.0°C. If the partial pressure of He is 2.03 atm and that of Ar is 2.36 atm, what is the...

Solved • Sep 5, 2018

Partial Pressure

Q. Container A holds 767 mL of ideal gas at 2 30 atm. Container B holds 129 mL of ideal gas at 4.20 atm, If the gases are allowed to mix together, wha...

Solved • Sep 5, 2018

Partial Pressure

Q. A sample of experimental welding gas composed of 56 g N2, 4.6 g O2, and 2 g Ar. What is the partial pressure exerted by O2 if the total pressure is...

Solved • Sep 5, 2018

Partial Pressure

Q. A sample of nitrogen gas was collected via water displacement. Since the nitrogen was collected via water displacement, the sample is saturated wit...

Solved • Sep 3, 2018

Partial Pressure

Q. Part AIf the partial pressure of nitrogen is 592 mmHg, oxygen is 160 mmHg, argon is 7 mmHg, and trace gas is 1 mmHg, what is the atmospheric pressu...

Solved • Aug 27, 2018

Partial Pressure

Q. A gaseous mixture contains 431.0 Torr of H2(g), 328.3 Torr of N2(g), and 81.7 Torr of Ar(g). Calculate the mole fraction, X, of each of these gases.

Solved • Aug 13, 2018

Partial Pressure

Q. Enter your answer in the provided box.What mole fraction of O2 is necessary for the partial pressure of O2 to be 2.80 atm when the total pressure i...

Solved • Aug 7, 2018

Partial Pressure

Q. Be sure to answer all parts.A mixture of gases contains 0.310 mol CH4, 0.240 mol C2H6, and 0.300 mol C3H8. The total pressure is 1.25 atm. Calculat...

Solved • Aug 1, 2018

Partial Pressure

Q. A gas mixture contains each of the following gases at the indicated partial pressures: N2, 211 torr; O2, 107 torr; and He, 149 torr. What is the to...

Solved • Jul 30, 2018

Partial Pressure

Q. A gas mixture contains 1.23 g N2 and 0.92 g O2 in a 1.68-L container at 24°C. Calculate the mole fraction of N2. Express your answer using two sign...

Solved • Jul 25, 2018

Partial Pressure

Q. What is the pressure of the gas in this mercury manometer if h = 77 mm and atmospheric pressure is 777 mmHg?

Solved • Jul 25, 2018

Partial Pressure

Q. A gas mixture with a total pressure of 760 mmHg contains each of the following gases at the indicated partial pressures: 124 mmHg CO2, 213 mmHg Ar,...

Solved • Jul 24, 2018

Partial Pressure

Q. A gas mixture consists of equal masses of methane (molecular weight 16.0) and argon (atomic weight 40.0). If the partial pressure of argon is 200. ...

Solved • Jul 17, 2018

Partial Pressure

Q. A gas mixture, with a total pressure of 300. torr, consists of equal masses of Ne (atomic weight 20) and Ar (atomic weight 40). What is the partial...

Solved • Jul 17, 2018

Partial Pressure

Q. What is the pressure in a 7.50-L flask after 0.15 mol of carbon dioxide is added to 0.33 mol of oxygen in the flask? The temperature of the mixture...

Solved • Jul 17, 2018

Partial Pressure

Q. A mixture of three gases has a pressure of 1380 mmHg at 298 K. The mixture is analyzed and is found to contain 1.27 mol CO2, 3.04 mol CO, and 1.50 ...

Solved • Jul 17, 2018

Partial Pressure

Q. Hellox is helium-oxygen mixture that may be used in scuba tanks for divers working at great depths. It is also used medically as a breathing treatm...

Solved • Jul 16, 2018

Partial Pressure

Q. A container with total Pressure of 2.9 atm contains 3 Gases: A, B, and C. The partial pressures of Gas A is 0.357 atm and the partial pressure of G...

Solved • Jul 10, 2018

Partial Pressure

Q. A sealed glass container contains partial pressures of 0.24 atm O 2 gas and 0.46 atm H2 gas. What is the mole fraction of H 2 in the glass container? 

Solved • Jul 3, 2018

Partial Pressure

Q. A gas mixture contains 75 2% nitrogen and 24 krypton by mass.What is the partial pressure of krypton in the mixture if the total pressure is 846 mm...

Solved • Jun 26, 2018

Partial Pressure

Q. A 7.70-L container holds a mixture of two gases at 27 °C. The partial pressures of gas A and gas B. respectively, are 0.306 atm and 0.574 atm. If 0...

Solved • Jun 25, 2018

Partial Pressure

Q. The picture below shows two bulbs connected by a stopcock. The large bulb, with a volume of 6.00 L, contains nitric oxide at a pressure of 0.850 at...

Solved • Jun 25, 2018

Partial Pressure

Q. Container A holds 712 mL of ideal gas at 2.20 atm. Container B holds 124 mL of ideal gas at 4.20 atm. If the gases are allowed to mix together, wha...

Solved • Jun 25, 2018

Partial Pressure

Q. A 7.40-L container holds a mixture of two gases at 51°C. The partial pressures of gas A and gas B. respectively, are 0.336 atm and 0.854 atm. lf 0....

Solved • Jun 12, 2018

Partial Pressure

Q. A solution contains 4.90 moles of water, 1.05 moles of sucrose (C12H22O11), and 1.50 moles of glucose. Sucrose and glucose are nonvolatile. What is...

Solved • Jun 5, 2018

Partial Pressure

Q. Part A: What is the mole fraction of oxygen gas in air (see table 5.3 in the textbook)? Express your answer using two significant figures. Part B: ...

Solved • May 27, 2018

Partial Pressure

Q. A mixture of H2(g) and Cl2(g) exerts a total pressure of 2.50 atm. If the mole fraction of H2 is 0.490, what is the partial pressure (in atm) of H2...

Solved • May 27, 2018

Partial Pressure

Q. A sample of 5.10 mL of diethylether (C2H5OC2H5; density = 0.7134 g/mL) is introduced into a 6.50 -L vessel that already contains a mixture of N2 an...

Solved • May 27, 2018

Partial Pressure

Q. A mixture of 0.164 moles of C is reacted with 0.117 moles of O2 in a sealed, 10.0 L vessel at 500 K, producing a mixture of CO and CO2. [See reacti...

Solved • May 21, 2018

Partial Pressure

Q. A mixture of 0.220 moles CO, 0.350 moles H 2 and 0.640 moles He has a total pressure of 2.95 atm. What is the pressure of H2 (in atm)?a. 1.56 atmb....

Solved • Mar 23, 2018

Partial Pressure

Q. Chlorine gas reacts with fluorine gas to form chlorine trifluoride. Cl2(g) + 3F2(g) → 2ClF3(g) A 2.00 L reaction vessel, initially at 298 K, cont...

Solved • Mar 19, 2018

Partial Pressure

Q. A gas mixture contains CO, Ar and H 2. What is the total pressure of the mixture, if the mole fraction of H2 is 0.350 and the pressure of H 2 is 0....

Solved • Mar 15, 2018

Partial Pressure

Q. A mixture of 0.220 moles Co, 0.350 moles H 2 and 0.640 moles He has a total pressure of 2.95 atm. What is the pressure of H2? 

Solved • Mar 15, 2018

Partial Pressure

Q. In a container containing CO, H2, and O2, what is the mole fraction of CO if the H 2 mole fraction is 0.22 and the O2 mole fraction is 0.58?

Solved • Mar 15, 2018

Partial Pressure

Q. A gaseous mixture of O 2 and N2 contains 40.8 % nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 58...

Solved • Mar 8, 2018

Partial Pressure

Q. A solution contains a mixture of pentane and hexane at room temperature. The solution has a vapor pressure of 256 torr. Pure pentane and hexane hav...

Solved • Mar 2, 2018

Partial Pressure

Q. Chloroform and methanol form an ideal solution. The solution boils at 22°C and 0.255 atm. At 22°C the vapor pressures of methanol and chloroform ar...

Solved • Jan 20, 2017

Partial Pressure

Q. A vessel contains 0.1 mol H2 gas, 0.1 mol N2 gas, and 0.3 mol NH3 gas. The total pressure is 1000 torr. What is the partial pressure of the H2 gas...

Solved • Jan 17, 2017

Partial Pressure

Q. A mixture of 10.0 g of Ne and 10.0 g Ar have a total pressure of 1.6 atm. What is the partial pressure of Ne? A) 1.3 atm B) 1.1 atm C) 0.80 atm ...

Solved • Sep 19, 2016

Partial Pressure

Q. Determine the vapor pressure of a solution at 25°C that contains 76.6 g of glucose (C6H12O6) in 250.0 mL of water. The vapor pressure of pure water...

Solved • Sep 14, 2016

Partial Pressure

Q. A 100 L balloon is blown up with a mixture of gases. The mixture contains 2.1 moles of oxygen, 3.5 moles of nitrogen, and 1.8 moles of helium. Find...

Solved • Aug 24, 2016

Partial Pressure

Q. A mixture of 0.50 moles of Ne and 0.25 moles of Ar has a total pressure of 1.6 atm. What is the partial pressure (in atm) of Ne? A. 1.1 atm B. 1....

Solved • Aug 8, 2016

Partial Pressure

Q. Calculate the vapor pressure at 25◦C of a mixture of benzene and toluene in which the mole fraction of benzene is 0.650. The vapor pressure at 25◦C...

Solved • Jul 29, 2016

Partial Pressure

Q. A flask at room temperature contains exactly equal amounts (in moles) of nitrogen and xenon. a. Which of the two gases exerts the greater partial ...

Solved • Jun 3, 2016

Partial Pressure

Q. A heliox deep-sea diving mixture contains 2.0 g of oxygen to every 98.0 g of helium. What is the partial pressure of oxygen when this mixture is de...

Solved • Jun 3, 2016

Partial Pressure

Q. What is the vapor pressure of a solution with a benzene to octane molar ratio of 2:1? (A) 120 mmHg (B) 320 mmHg (C) 400 mmHg (D) 680 mmHg

Solved • May 6, 2016

Partial Pressure

Q. In a mixture of N 2 and O2 gases, the mol fraction of N 2 is found to be 0.700. The total pressure of the mixture is 1.42 atm. What is the partial ...

Solved • Apr 25, 2016

Partial Pressure

Q. A flask at equilibrium contained 1.00 mol of N 2 gas, 2.00 mol of H2 gas, and 3.00 mol of He gas. The total pressure in the container was 1.00 atm....

Solved • Mar 10, 2016