Scott collected 6.60L of methane at 745torr qnd 25°C , which weighed 4.24g a. convert the...
Scott collected 6.60L of methane at 745torr qnd 25°C ,
which weighed 4.24g
a. convert the pressure to atm
b. convert the temperature to K
c. calculate the molar mass of methane
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Scott collected 6.60L of methane at 745torr qnd 25°C ,
which weighed 4.24g
a. convert the...
question 9,10 Page 5 of 6 9. Scott collected 6.60 L of methane at 745 torr and 25 °C, which weighed 4.24 a) (2 pts)...
question 9,10
Page 5 of 6 9. Scott collected 6.60 L of methane at 745 torr and 25 °C, which weighed 4.24 a) (2 pts) Convert the pressure to atm. b) (2 pts) Convert the temperature to K. c) (6 pts) Calculate the molar mass of methane. 10. (10 pts) Terrence finds that all gases exhibit virtually the same behavior in response to temperature and pressure changes, no matter what the gaseous compound's formula mass or shape. The physical properties...
A sample of methane gas collected at a pressure of 0.840 atm and a temperature of...
A sample of methane gas collected at a pressure of 0.840 atm and a temperature of 285 K is found to occupy a volume of 830. milliliters. How many moles of CH4 gas are in the sample?___ mol
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...
A sample of methane gas collected at a pressure of 463 mm Hg and a temperature...
A sample of methane gas collected at a pressure of 463 mm Hg and a temperature of 300 K has a mass of 13.5 grams. The volume of the sample is____ L.
What is the density (in g/L) of methane at 25°C and 1.2 atm of pressure?
What is the density (in g/L) of methane at 25°C and 1.2 atm of pressure? The value of R = 0.0821 L atm mor-1 K-1? 0.785 1.20 9.9 4.90 * 10-2
6. ) A sample of methane gas, CH4, at 322.0 degrees celcius and a pressure of...
6. ) A sample of methane gas, CH4, at 322.0 degrees celcius and a pressure of 662 mmHg had a volume of 36.4 L. What would be the volume of the gas at STP 7.) The CO2 gas that was evolved during the fermentation of sugar was collected. After purification its volume was measured as 25.0 L at 22.5 Celcius and 702 mm Hg. How many moles of the CO2 gas were collected ? 8.) Commercially, compressed oxygen is sold...
Constant R = 0.08206 L atm mol K 1. (1 pt) Convert 187.2 Torr to atmospheres....
Constant R = 0.08206 L atm mol K 1. (1 pt) Convert 187.2 Torr to atmospheres. 2. (2 pts) Calculate the pressure of 1.64 mol of a perfect gas that occupies a volume of 21.4 L at room temperature (25°C). 3. (2 pts) What is the molar mass of a 28.0 g sample of a perfect gas that occupies a volume of 22.4 L at a pressure of 1.00 atm and at a temperature of 0°C? Name (print): Section No....
0.760 mol sample of methane gas at a temperature of 29.0 °C is found to occupy...
0.760 mol sample of methane gas at a temperature of 29.0 °C is found to occupy a volume of 25.8 liters. The pressure of this gas sample is mm Hg. A sample of oxygen gas collected at a pressure of 632 mm Hg and a temperature of 298 K has a mass of 18.5 grams. The volume of the sample is
1.21 mol sample of helium gas at a temperature of 26.0 °C is found to occupy...
1.21 mol sample of helium gas at a temperature of 26.0 °C is found to occupy a volume of 21.2 liters. The pressure of this gas sample is mm Hg. A sample of methane gas collected at a pressure of 227 mm Hg and a temperature of 296 K has a mass of 16.4 grams. The volume of the sample is L. A 6.62 gram sample of methane gas has a volume of 999 milliliters at a pressure of 2.67 atm. The...
Lab partner: Molar Mass of Butane Prelab 1. Convert a pressure reading of 875 mm Hg...
Lab partner: Molar Mass of Butane Prelab 1. Convert a pressure reading of 875 mm Hg into atm. (1 atm = 760 mmHg) 2. Look up the chemical formula for butane and calculate its molar mass? 3. A pure gas sample has a volume of 109 mL, a pressure of 723 mm Hg, and a temperature of 23.5°C. Use the ideal gas law (Eq. 1) to calculate how many moles of gas are present in this sample? (Be sure you...
question 9,10
Page 5 of 6 9. Scott collected 6.60 L of methane at 745 torr and 25 °C, which weighed 4.24 a) (2 pts) Convert the pressure to atm. b) (2 pts) Convert the temperature to K. c) (6 pts) Calculate the molar mass of methane. 10. (10 pts) Terrence finds that all gases exhibit virtually the same behavior in response to temperature and pressure changes, no matter what the gaseous compound's formula mass or shape. The physical properties...
Constant R = 0.08206 L atm mol K 1. (1 pt) Convert 187.2 Torr to atmospheres. 2. (2 pts) Calculate the pressure of 1.64 mol of a perfect gas that occupies a volume of 21.4 L at room temperature (25°C). 3. (2 pts) What is the molar mass of a 28.0 g sample of a perfect gas that occupies a volume of 22.4 L at a pressure of 1.00 atm and at a temperature of 0°C? Name (print): Section No....
0.760 mol sample of methane gas at a temperature of 29.0 °C is found to occupy a volume of 25.8 liters. The pressure of this gas sample is mm Hg. A sample of oxygen gas collected at a pressure of 632 mm Hg and a temperature of 298 K has a mass of 18.5 grams. The volume of the sample is
Lab partner: Molar Mass of Butane Prelab 1. Convert a pressure reading of 875 mm Hg into atm. (1 atm = 760 mmHg) 2. Look up the chemical formula for butane and calculate its molar mass? 3. A pure gas sample has a volume of 109 mL, a pressure of 723 mm Hg, and a temperature of 23.5°C. Use the ideal gas law (Eq. 1) to calculate how many moles of gas are present in this sample? (Be sure you...
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