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. 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.
4)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.
Homework Answers
Q(1) the root mean square
speed given as follows
Q(3)
Q(4)
Add Answer to:
1) Calculate the root mean square speed for nitrogen gas at a
temperature of 35.000C.
2)A...
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...
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...
Question 1 1 pts A 1.50L glass flask contains Ar gas at a pressure of 745 torr. Nitrogen (N2) gas is added to this...
Question 1 1 pts A 1.50L glass flask contains Ar gas at a pressure of 745 torr. Nitrogen (N2) gas is added to this container and the pressure was measured to be 875 torr. What is now the partial pressure of N2 gas in this container? Use this information to answer Q2-5. Flask A is a 1.50 L glass flask containing Ar gas at a pressure of 652 torr. Flask B is a 2.50 L glass flask containing He gas...
A perfect gas sample contains 6.2*^22 molecules per cubic meter at 205 k. calculate the pressure...
A perfect gas sample contains 6.2*^22 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.
Part 1. The air in a bicycle tire is bubbled through water and collected at 25∘C. If the total volume of gas collected i...
Part 1. The air in a bicycle tire is bubbled through water and collected at 25∘C. If the total volume of gas collected is 5.60 L at a temperature of 25∘C and a pressure of 760 torr, how many moles of gas were in the bicycle tire? - Part 2. A 295-mL flask contains pure helium at a pressure of 755 torr . A second flask with a volume of 480 mL contains pure argon at a pressure of 714...
LR Terences 1 pt TUTOR Partial Pressures 1 pt A sample of a gas mixture contains...
LR Terences 1 pt TUTOR Partial Pressures 1 pt A sample of a gas mixture contains the following quantities of three gases. 1 pt 1 pt compound СО CO2 mass 1.32 g 3.14 g 3.27 g 1 pt 1 pt 1 pt The sample has: 1 pt volume = 2.50 L temperature = 16.6 °C What is the partial pressure for each gas, in mmHg? What is the total pressure in the flask? 1 pt 1 pt CO mmHg 1...
1.Carbon monoxide gas reacts with hydrogen gas to form methanol via the following reaction: CO(g)+2H2(g)→CH3OH(g)CO(g)+2H2(g)→CH3OH(g) A...
1.Carbon monoxide gas reacts with hydrogen gas to form methanol via the following reaction: CO(g)+2H2(g)→CH3OH(g)CO(g)+2H2(g)→CH3OH(g) A 1.65 LL reaction vessel, initially at 305 KK, contains carbon monoxide gas at a partial pressure of 232 mmHg and hydrogen gas at a partial pressure of 395 mmHg. Identify the limiting reactant and determine the theoretical yield of methanol in grams. Express your answer with the appropriate units. 2. What is the pressure in a 12.0-LL cylinder filled with 39.5 g of oxygen...
Physical Chemistry Ideal Gas Problems 1.(20pts). What is the approximate mass of the earth's atmosphere. Recall...
Physical Chemistry
Ideal Gas Problems 1.(20pts). What is the approximate mass of the earth's atmosphere. Recall Newton's 2 law is F=mass x acceleration and that the Area of a sphere is 4xr? Data: The radius of the earth is 6.37 x 10 m. Take the average pressure at the surface of the earth to be 1.00 atm, and the average acceleration due to gravity as 9.80665 m/s. List any additional assumptions that you make. 2.(20pts) (@) At 500.0°C and 699...
1) Given the following data, calculate the temperature of the gas in Kelvin, the pressure of the ...
1) Given the following data, calculate the temperature of the gas in Kelvin, the pressure of the gas in atm, the mass of the condensed liquid, the volume of the gas in L, the moles of gas in the flask and then calculate the molar mass of the unknown liquid Mass of empty flask and foil 78.639g 99.3°C 14.4 psi 79.118g Temperature of hot water atm Pressure in lab Mass of flask, foil and condensed unknown liquid AFTER heating and...
Question 1 1 pts A 1.50L glass flask contains Ar gas at a pressure of 745 torr. Nitrogen (N2) gas is added to this container and the pressure was measured to be 875 torr. What is now the partial pressure of N2 gas in this container? Use this information to answer Q2-5. Flask A is a 1.50 L glass flask containing Ar gas at a pressure of 652 torr. Flask B is a 2.50 L glass flask containing He gas...
LR Terences 1 pt TUTOR Partial Pressures 1 pt A sample of a gas mixture contains the following quantities of three gases. 1 pt 1 pt compound СО CO2 mass 1.32 g 3.14 g 3.27 g 1 pt 1 pt 1 pt The sample has: 1 pt volume = 2.50 L temperature = 16.6 °C What is the partial pressure for each gas, in mmHg? What is the total pressure in the flask? 1 pt 1 pt CO mmHg 1...
Physical Chemistry
Ideal Gas Problems 1.(20pts). What is the approximate mass of the earth's atmosphere. Recall Newton's 2 law is F=mass x acceleration and that the Area of a sphere is 4xr? Data: The radius of the earth is 6.37 x 10 m. Take the average pressure at the surface of the earth to be 1.00 atm, and the average acceleration due to gravity as 9.80665 m/s. List any additional assumptions that you make. 2.(20pts) (@) At 500.0°C and 699...
1) Given the following data, calculate the temperature of the gas in Kelvin, the pressure of the gas in atm, the mass of the condensed liquid, the volume of the gas in L, the moles of gas in the flask and then calculate the molar mass of the unknown liquid Mass of empty flask and foil 78.639g 99.3°C 14.4 psi 79.118g Temperature of hot water atm Pressure in lab Mass of flask, foil and condensed unknown liquid AFTER heating and...
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