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A gaseous sample of a compound has a mass of 2.94 grams. This sample occupies a...
What is the molecular weight (in grams per mole) of a gas sample that has a...
What is the molecular weight (in grams per mole) of a gas sample that has a mass of 3.07 g in a 2.248 L flask at a temperature of 27.3 ºC and a pressure of 0.597 atmospheres?
Write a program to determine the mass (in grams) of oxygen gas (formula: O2, molecular weight...
Write a program to determine the mass (in grams) of oxygen gas (formula: O2, molecular weight = 32 grams per mole) in a container. You may assume that the user will provide the volume of the container in units of gallons, the temperature in the container in degrees Celsius, and the pressure in the container in units of atmospheres.
4. What is the molar mass of a compound if a gaseous sample has a density...
4. What is the molar mass of a compound if a gaseous sample has a density of 1.173 g/L at 20 °C and 630 torr? The temperature in Celsius is known to two significant figures. 5. A 1.50-L bulb containing Ne at 125 torr is connected by a valve to a 2.50-L bulb containing CH4 at 650 torr. The valve between the two bulbs is opened and the two gases mix. The initial gas pressures as known to three significant...
molecul Sumber of d with excess A gaseous compound of carbon, hydrogen and chlorine had the...
molecul Sumber of d with excess A gaseous compound of carbon, hydrogen and chlorine had the following composition: C = 24.78% = 2.08 and Cl = 75.14%. A 1.26 g sample of this gas occupies a volume of 435 ml at a pressure of 0.736 atm and temperature of 270C. a) What is the empirical formula of the unknown gas (3 points) show. all setup & work Answer: empirical formula = b) What is the molar mass of the unknow...
draw the Lewis structure of a gaseous DETERMINATION OF THE MOLAR MASS OF A VOLATILE COMPOUND...
draw the Lewis structure of a gaseous
DETERMINATION OF THE MOLAR MASS OF A VOLATILE COMPOUND Post Lab Discussion Questions: How did this lab conform to the 12 Green Principles of Chemistry? Which Principles? 1. 2. What improvements could be made to this lab? Any improvements to make this lab "greener"? Were there any parts to this lab that violated the 12 Principles? If so, which ones and why? 3. Draw the Lewis structure of a gaseous hydrocarbon (2.55 grams...
please help! thank you A certain mass of nitrogen gas occupies a volume of 8.82 L...
please help! thank you
A certain mass of nitrogen gas occupies a volume of 8.82 L at a pressure of 7.80 atm. At what pressure will the volume of this sample be 11.20 L? Assume constant temperature and ideal behavior. A sample of an ideal gas has a volume of 3.60 L at 14.40 °C and 1.60 atm. What is the volume of the gas at 19.80'C and 0.986 atm? V = If 73.5 mol of an ideal gas occupies...
Write a program to determine the mass of oxygen gas (formula: O2, molecular weight = 32...
Write a program to determine the mass of oxygen gas (formula: O2, molecular weight = 32 grams per mole) in units of grams in a container. You may assume that the user will provide the volume of the container in units of gallons, the temperature in the container in degrees Celsius, and the pressure in the container in units of atmospheres. For your test case, you may assume that the user provides 1.25 gallons for the volume of the container,...
A gaseous compound of carbon, hydrogen and chlorine had the following composition: C = 24.78%; H...
A gaseous compound of carbon, hydrogen and chlorine had the following composition: C = 24.78%; H = 2.08 % and Cl = 73.14 %. A 1.26 g sample of this gas occupies a volume of 435 ml. at a pressure of 0.736 atm and temperature of 27°C. a) What is the empirical formula of the unknown gas (3 points) show all setup & work Answer: empirical formula = b) What is the molar mass of the unknow gas (3 points)...
What is the molar mass of a compound if a gaseous sample has a density of...
What is the molar mass of a compound if a gaseous sample has a density of 0.978 g/L at 30 °C and 615 torr? The temperature in Celsius is known to two significant figures.
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.
molecul Sumber of d with excess A gaseous compound of carbon, hydrogen and chlorine had the following composition: C = 24.78% = 2.08 and Cl = 75.14%. A 1.26 g sample of this gas occupies a volume of 435 ml at a pressure of 0.736 atm and temperature of 270C. a) What is the empirical formula of the unknown gas (3 points) show. all setup & work Answer: empirical formula = b) What is the molar mass of the unknow...
draw the Lewis structure of a gaseous
DETERMINATION OF THE MOLAR MASS OF A VOLATILE COMPOUND Post Lab Discussion Questions: How did this lab conform to the 12 Green Principles of Chemistry? Which Principles? 1. 2. What improvements could be made to this lab? Any improvements to make this lab "greener"? Were there any parts to this lab that violated the 12 Principles? If so, which ones and why? 3. Draw the Lewis structure of a gaseous hydrocarbon (2.55 grams...
please help! thank you
A certain mass of nitrogen gas occupies a volume of 8.82 L at a pressure of 7.80 atm. At what pressure will the volume of this sample be 11.20 L? Assume constant temperature and ideal behavior. A sample of an ideal gas has a volume of 3.60 L at 14.40 °C and 1.60 atm. What is the volume of the gas at 19.80'C and 0.986 atm? V = If 73.5 mol of an ideal gas occupies...
A gaseous compound of carbon, hydrogen and chlorine had the following composition: C = 24.78%; H = 2.08 % and Cl = 73.14 %. A 1.26 g sample of this gas occupies a volume of 435 ml. at a pressure of 0.736 atm and temperature of 27°C. a) What is the empirical formula of the unknown gas (3 points) show all setup & work Answer: empirical formula = b) What is the molar mass of the unknow gas (3 points)...
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