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Constant R = 0.08206 L atm mol K 1. (1 pt) Convert 187.2 Torr to atmospheres....
R = universal gas constant = 0.08206 L *atm/mol *K 3. (6 pt) Use this information...
R = universal gas constant = 0.08206 L *atm/mol *K 3. (6 pt) Use this information to answer the following three questions: You have 2.05 mol of nitrogen gas in a flexible, sealed 420 mL container at room temperature (25°C) that has an internal pressure of 542 mm Hg. a. The volume of the container is expanded to 560. mL. What is the new pressure of the container? b. The container is heated to 60°C, what is the new pressure...
The van der Waals equation gives a relationship between the pressure p (atm), volume V(L), and temperature T(K) for a real gas: .2 where n is the number of moles, R 0.08206(L atm)(mol K) is the gas c...
The van der Waals equation gives a relationship between the pressure p (atm), volume V(L), and temperature T(K) for a real gas: .2 where n is the number of moles, R 0.08206(L atm)(mol K) is the gas con- stant, and a (L- atm/mol-) and b (L/mol) are material constants. Determine the volume of 1.5 mol of nitrogen (a .39 L2 atm/mol2. b = 0.03913 L/mol) at temperature of 350 K and pressure of 70 atm.
The van der Waals equation...
R = 0.08206 (L x atm)/(K x mol) 1. What is the pressure in a 580...
R = 0.08206 (L x atm)/(K x mol) 1. What is the pressure in a 580 mL container that has 0.545 moles of oxygen gas at 32.0 °C?
10...11 P_1V_1/T_1 = P_2V_2/T_2 PV = nRT M = mRT/PV R = 0.08206 L middot atm/mol...
10...11
P_1V_1/T_1 = P_2V_2/T_2 PV = nRT M = mRT/PV R = 0.08206 L middot atm/mol middot K A teaching assistant was determining the molar volume of nitrogen gas, N_2(g). (MW: 28.0131 g/mol). at standard temperature and pressure. The TA found that 146 mL of gas was collected at 21.0 degree C and 0.968 atm. The TA determined the volume of this gas sample at STP (1.00 atm and 273 K) is ____ mL. Your answer should be expressed with...
1.Ideal Gas Law PV = nRT with atm: R = 0.0821 L*atm/(K*mol) If I have 4...
1.Ideal Gas Law PV = nRT with atm: R = 0.0821 L*atm/(K*mol) If I have 4 moles of a gas at a pressure of 5.6 atm and a volume of 12 liters, what is the temperature? 2. If I contain 3 moles of gas in a container with a volume of 60 liters and at a temperature of 400 K, what is the pressure inside the container? 3. If I have 7.7 moles of gas at a pressure of 0.09...
25. You’re at the zoo and have a big red 3.20 L helium balloon. The barometric...
25. You’re at the zoo and have a big red 3.20 L helium balloon. The barometric pressure is 790.0 mm Hg. Then you hear the roar of a lion. Startled, you accidently release the balloon. It flies away. By the time it reaches the clouds the atmospheric pressure is only 0.300 atm. What is the new volume of the balloon? a) 6.20 L b) 11.1 L c) 1.06 L d) 8.43 L 26. A gas sample is held at constant...
i need help with the last four questions along with step by step he appropriate gas law to solve questions 1-6. Show work. (2 pts) A certain amount of a gas at a constant temperature has a pressur...
i need help with the last four questions along with
step by step
he appropriate gas law to solve questions 1-6. Show work. (2 pts) A certain amount of a gas at a constant temperature has a pressure of 5.50 atm and a volume of 10.0 mL. If the volume is decreased to 125.0 mL, what is the resulting pressure of the gas? : 924 a4m 125 O P v (2 pts) If 0.722 L of a certain gas at...
Experiment 12: Generating Hydrogen Gas Part B: Molar mass of unknown metal Unknown #: Mass of...
Experiment 12: Generating Hydrogen Gas Part B: Molar mass of unknown metal Unknown #: Mass of unknown metal (X) .29 Volume of H2 gas L mL Temperature of H; gas 20 mm к C Atmospheric pressure (see barometer) Vapor pressure of water mmHg Partial pressure of H; gas mmHg atm Using PV-nRT and your data, calculate the moles of hydrogen gas produced in the experiment: l e epl8 moles H Convert moles of hydrogen gas to moles of the metal...
Q1) Q2) Take R = 0.08206 L atm/mol K or 8.314 J /mol K if you...
Q1)
Q2)
Take R = 0.08206 L atm/mol K or 8.314 J /mol K if you need
Thank you
9.47 g of a polystyrene sample was dissolved in acetone to make 135 mL of solution, and the osmotic pressure was measured to be 10.6 torr at 27°C. a) What is the molarity of the polystyrene solution? [Select] y x104M b) What is the approximate molar mass of the polystyrene? (Select] x 105 g/mol (Correct your answers to 3 sig. fig.)...
1- A sample of carbon dioxide gas at a pressure of 1.03 atm and a temperature...
1- A sample of carbon dioxide gas at a pressure of 1.03 atm and a temperature of 210 °C, occupies a volume of 546 mL. If the gas is cooled at constant pressure until its volume is 443 mL, the temperature of the gas sample will be ______ °C. 2- A sample of nitrogen gas at a pressure of 831 mm Hg and a temperature of 81 °C, occupies a volume of 6.66 liters. If the gas is heated at...
R = universal gas constant = 0.08206 L *atm/mol *K 3. (6 pt) Use this information to answer the following three questions: You have 2.05 mol of nitrogen gas in a flexible, sealed 420 mL container at room temperature (25°C) that has an internal pressure of 542 mm Hg. a. The volume of the container is expanded to 560. mL. What is the new pressure of the container? b. The container is heated to 60°C, what is the new pressure...
The van der Waals equation gives a relationship between the pressure p (atm), volume V(L), and temperature T(K) for a real gas: .2 where n is the number of moles, R 0.08206(L atm)(mol K) is the gas con- stant, and a (L- atm/mol-) and b (L/mol) are material constants. Determine the volume of 1.5 mol of nitrogen (a .39 L2 atm/mol2. b = 0.03913 L/mol) at temperature of 350 K and pressure of 70 atm.
The van der Waals equation...
10...11
P_1V_1/T_1 = P_2V_2/T_2 PV = nRT M = mRT/PV R = 0.08206 L middot atm/mol middot K A teaching assistant was determining the molar volume of nitrogen gas, N_2(g). (MW: 28.0131 g/mol). at standard temperature and pressure. The TA found that 146 mL of gas was collected at 21.0 degree C and 0.968 atm. The TA determined the volume of this gas sample at STP (1.00 atm and 273 K) is ____ mL. Your answer should be expressed with...
i need help with the last four questions along with
step by step
he appropriate gas law to solve questions 1-6. Show work. (2 pts) A certain amount of a gas at a constant temperature has a pressure of 5.50 atm and a volume of 10.0 mL. If the volume is decreased to 125.0 mL, what is the resulting pressure of the gas? : 924 a4m 125 O P v (2 pts) If 0.722 L of a certain gas at...
Experiment 12: Generating Hydrogen Gas Part B: Molar mass of unknown metal Unknown #: Mass of unknown metal (X) .29 Volume of H2 gas L mL Temperature of H; gas 20 mm к C Atmospheric pressure (see barometer) Vapor pressure of water mmHg Partial pressure of H; gas mmHg atm Using PV-nRT and your data, calculate the moles of hydrogen gas produced in the experiment: l e epl8 moles H Convert moles of hydrogen gas to moles of the metal...
Q1)
Q2)
Take R = 0.08206 L atm/mol K or 8.314 J /mol K if you need
Thank you
9.47 g of a polystyrene sample was dissolved in acetone to make 135 mL of solution, and the osmotic pressure was measured to be 10.6 torr at 27°C. a) What is the molarity of the polystyrene solution? [Select] y x104M b) What is the approximate molar mass of the polystyrene? (Select] x 105 g/mol (Correct your answers to 3 sig. fig.)...
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