1)A flask containing oxygen has a volume of 3.5 dm at a pressure of 3.5 bar....
1)A flask containing oxygen has a volume of 3.5 dm at a pressure of 3.5 bar. Another flask with a volume of 5.0 dm contains neon at a pressure of 5.0 bar. These two flasks are
connected and the two gases mix isothermally. Calculate the partial pressures of the two gases and the total pressure of the mixture.
2)Calculate the molar mass of an unknown gas with a mass of 0.462 grams that occupies a volume of 0.798 dm at temperature of 173.85 C and a pressure of 0.7 bar.
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1)A flask containing oxygen has a volume of 3.5 dm at a pressure
of 3.5 bar....
1) Calculate the root mean square speed for nitrogen gas at a temperature of 35.000C. 2)A...
1) Calculate the root mean square speed for nitrogen gas at a temperature of 35.000C. 2)A perfect gas sample contains 6.2 x 1022 molecules per cubic meter at 205 K. Calculate the pressure of this gas and express the answer in units of Pascals, bar, atm, and mmHg. 3)A flask containing oxygen has a volume of 3.5 dm at a pressure of 3.5 bar. Another flask with a volume of 5.0 dm contains neon at a pressure of 5.0 bar....
2)Calculate the molar mass of an unknown gas with a mass of 0.462 grams that occupies...
2)Calculate the molar mass of an unknown gas with a mass of 0.462 grams that occupies a volume of 0.798 dm at temperature of 173.85 C and a pressure of 0.7 bar.
Two flasks of equal volume and at the same temperature contain different gases. One flask contains...
Two flasks of equal volume and at the same temperature contain different gases. One flask contains 10.0 g of Neand the other flask contains 10.0 g of He. Which of the following statements are correct? Check all that apply. Check all that apply. The densities of the gases are the same. The flask that contains helium has a higher pressure than the flask that contains neon. Both flasks contain the same number of atoms. The pressures in the flasks are...
1. A 125mL Erlenmeyer flask has a measure volume of 152 mL. A 0.177 g sample...
1. A 125mL Erlenmeyer flask has a measure volume of 152 mL. A 0.177 g sample of an unknown vapor occupies the flask at 97.8°C a pressure of 748 torr. Assume ideal gas behavior. a. How many moles of vapor are present? b. What is the molar mass of the vapor? 2. a) If the volume of the flask is mistakenly recorded as 125mL in Question 1, what is the reported molar mass of the vapor? b) What is the...
At a particular temperature, Kp-0.39 for the reaction below. N204(g) 2 NO2(g) (a) A flask containing only N204 at an initial pressure of 4.8 atm is allowed to reach equilibrium. Calculate the equi...
At a particular temperature, Kp-0.39 for the reaction below. N204(g) 2 NO2(g) (a) A flask containing only N204 at an initial pressure of 4.8 atm is allowed to reach equilibrium. Calculate the equilibrium partial pressures of the gases. N2O4 NO2 atm (b) A flask containing only NO2 at an initial pressure of 9.6 atm is allowed to reach equilibrium. Calculate the equilibrium partial pressures of the gases. No2 (e) From your answers to parts (e) and (b), does it matter...
A gas mixture is made by combining 6.7 g each of Ar, Ne, and an unknown...
A gas mixture is made by combining 6.7 g each of Ar, Ne, and an unknown diatomic gas. At STP, the mixture occupies a volume of 15.88 L. What is the molar mass of the unknown gas? molar mass: g/mol Identify the unknown gas. ON OOOO A 7.20 L container holds a mixture of two gases at 49 °C. The partial pressures of gas A and gas B, respectively, are 0.180 atm and 0.662 atm. If 0.230 mol of a...
Section 11 (48pts total/&pts per question) partial credit given for work shown, AND work is required for credit...
Section 11 (48pts total/&pts per question) partial credit given for work shown, AND work is required for credit, even if correct answer is given. You are required to show the appropriate chemical equations for all problems involving reactions. 2.1. An instrument, maintained at 120 °C, has two separate flasks that contain different gases. If the flasks are opened so that the gases are able to mix, what is the molar mass of the final gas mixture? Flask Gas Pressure Volume...
A flask containing only N204 at an initial pressure of 4.5 atm is allowed to reach...
A flask containing only N204 at an initial pressure of 4.5 atm is allowed to reach equilibrium. Calculate the equilibrium partial pressures of the two gases, given Kp 0.25 at a particular temperature for the following reaction. Show your work in the space provided. 3. Noode) 2 NO2(g)
A 30.0 L vessel contains a mixture of carbon dioxide, sulfur trioxide, oxygen, and neon gases...
A 30.0 L vessel contains a mixture of carbon dioxide, sulfur trioxide, oxygen, and neon gases at 25.0°C and 2.75 atm. The mole fraction of each gas is 0.25. What mass of each gas is present? Answer 2. Fluorine diffuses 3.45 times faster than gas Q. Calculate the molar mass of gas Q. Answer 3. 1.500 g of a gas collected over H.O at 29.0°C and 740.9 mm Hg occupies a volume of 217.2 mL. The vapor pressure of H.O...
At 100 K and a pressure of 1 bar, the molar volume of molecular oxygen O2...
At 100 K and a pressure of 1 bar, the molar volume of molecular oxygen O2 is experimentally measured to be 8.148 dm3. Use the molar volume of an ideal gas to determine the second virial coefficient B2v(100 K).
1. A 125mL Erlenmeyer flask has a measure volume of 152 mL. A 0.177 g sample of an unknown vapor occupies the flask at 97.8°C a pressure of 748 torr. Assume ideal gas behavior. a. How many moles of vapor are present? b. What is the molar mass of the vapor? 2. a) If the volume of the flask is mistakenly recorded as 125mL in Question 1, what is the reported molar mass of the vapor? b) What is the...
At a particular temperature, Kp-0.39 for the reaction below. N204(g) 2 NO2(g) (a) A flask containing only N204 at an initial pressure of 4.8 atm is allowed to reach equilibrium. Calculate the equilibrium partial pressures of the gases. N2O4 NO2 atm (b) A flask containing only NO2 at an initial pressure of 9.6 atm is allowed to reach equilibrium. Calculate the equilibrium partial pressures of the gases. No2 (e) From your answers to parts (e) and (b), does it matter...
A gas mixture is made by combining 6.7 g each of Ar, Ne, and an unknown diatomic gas. At STP, the mixture occupies a volume of 15.88 L. What is the molar mass of the unknown gas? molar mass: g/mol Identify the unknown gas. ON OOOO A 7.20 L container holds a mixture of two gases at 49 °C. The partial pressures of gas A and gas B, respectively, are 0.180 atm and 0.662 atm. If 0.230 mol of a...
Section 11 (48pts total/&pts per question) partial credit given for work shown, AND work is required for credit, even if correct answer is given. You are required to show the appropriate chemical equations for all problems involving reactions. 2.1. An instrument, maintained at 120 °C, has two separate flasks that contain different gases. If the flasks are opened so that the gases are able to mix, what is the molar mass of the final gas mixture? Flask Gas Pressure Volume...
A flask containing only N204 at an initial pressure of 4.5 atm is allowed to reach equilibrium. Calculate the equilibrium partial pressures of the two gases, given Kp 0.25 at a particular temperature for the following reaction. Show your work in the space provided. 3. Noode) 2 NO2(g)
A 30.0 L vessel contains a mixture of carbon dioxide, sulfur trioxide, oxygen, and neon gases at 25.0°C and 2.75 atm. The mole fraction of each gas is 0.25. What mass of each gas is present? Answer 2. Fluorine diffuses 3.45 times faster than gas Q. Calculate the molar mass of gas Q. Answer 3. 1.500 g of a gas collected over H.O at 29.0°C and 740.9 mm Hg occupies a volume of 217.2 mL. The vapor pressure of H.O...
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