1. A 1.64-g sample of an unknown gas has a volume of 589 mL and a...
1.
A 1.64-g sample of an unknown gas has a volume
of 589 mL and a pressure of 757
mm Hg at 38.6 °C. Calculate the molar mass of this
compound.
g/mol
2.
Calculate the density of methane gas (in g/L)
at 584 mm Hg and 36.4
°C.
g/L
Homework Answers
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1.
A 1.64-g sample of an unknown gas has a volume
of 589 mL and a...
A sample of gas has a mass of 0.560 g. Its volume is 119 mL at...
A sample of gas has a mass of 0.560 g. Its volume is 119 mL at a temperature of 86 °C and a pressure of 757 Torr. Part A Find the molar mass of the gas. 0 AEO ? & mol-1 Submit Request Answer
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...
A sample of an unknown compound is vaporized at 170. "C. The gas produced has a...
A sample of an unknown compound is vaporized at 170. "C. The gas produced has a volume of 1750. mL. at a pressure of 1.00 atm, and it weighs 1.54 g Assuming the gas behaves as an ideal gas under these conditions, calculate the molar mass of the compound. Round your answer to 3 significant digits. mol
A sample of an unknown compound is vaporized at 200. °C. The gas produced has a...
A sample of an unknown compound is vaporized at 200. °C. The gas produced has a volume of 2410. mL at a pressure of 1.00 atm, and it weighs 2·11 g. Assuming the gas behaves as an ideal gas under these conditions, calculate the molar mass of the compound. Round your answer to 3 significant digits mol
An experiment shows that a 113 mL gas sample has a mass of0.161 g at a...
An experiment shows that a 113 mL gas sample has a mass of0.161 g at a pressure of 717 mm Hg and a temperature of 26°C Part A What is the molar mass of the gas? B? Molar Mass g/mol Request Answer Submit
A sample of an unknown compound is vaporized at 100. °C. The gas produced has a...
A sample of an unknown compound is vaporized at 100. °C. The gas produced has a volume of 1840. ml. at a pressure of 1.00 atm, and it weighs 6.26 g. Assuming the gas behaves as an ideal gas under these conditions, calculate the molar mass of the compound. Round your answer to 3 significant digits. E mol х 5 ?
A sample of an unknown compound is vaporized at 160 °C. The gas produced has a volume of 1160. ml. at a pressure of...
A sample of an unknown compound is vaporized at 160 °C. The gas produced has a volume of 1160. ml. at a pressure of 1.00am, and it weighs 1.65 Assuming the gas behaves as an ideal gas under these conditions, calculate the molar mass of the compound. Round your answer to 3 significant digits. 0 - -
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Suppose you are performing a gas-producing reaction to experimentally determine the molar volume of the gas...
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A sample of gas has a mass of 0.560 g. Its volume is 119 mL at a temperature of 86 °C and a pressure of 757 Torr. Part A Find the molar mass of the gas. 0 AEO ? & mol-1 Submit Request Answer
A sample of an unknown compound is vaporized at 170. "C. The gas produced has a volume of 1750. mL. at a pressure of 1.00 atm, and it weighs 1.54 g Assuming the gas behaves as an ideal gas under these conditions, calculate the molar mass of the compound. Round your answer to 3 significant digits. mol
A sample of an unknown compound is vaporized at 200. °C. The gas produced has a volume of 2410. mL at a pressure of 1.00 atm, and it weighs 2·11 g. Assuming the gas behaves as an ideal gas under these conditions, calculate the molar mass of the compound. Round your answer to 3 significant digits mol
An experiment shows that a 113 mL gas sample has a mass of0.161 g at a pressure of 717 mm Hg and a temperature of 26°C Part A What is the molar mass of the gas? B? Molar Mass g/mol Request Answer Submit
A sample of an unknown compound is vaporized at 100. °C. The gas produced has a volume of 1840. ml. at a pressure of 1.00 atm, and it weighs 6.26 g. Assuming the gas behaves as an ideal gas under these conditions, calculate the molar mass of the compound. Round your answer to 3 significant digits. E mol х 5 ?
A sample of an unknown compound is vaporized at 160 °C. The gas produced has a volume of 1160. ml. at a pressure of 1.00am, and it weighs 1.65 Assuming the gas behaves as an ideal gas under these conditions, calculate the molar mass of the compound. Round your answer to 3 significant digits. 0 - -
Suppose you are performing a gas-producing reaction to experimentally determine the molar volume of the gas at STP. Mg(s) + 2 HCl(aq) + MgCl2 (aq) + H2(g) A sample of 0.0883 g of Mg, which has a molar mass of 24.31 g/mol, produces 82.5 mL of H2 gas. The gas is collected over water at an atmospheric pressure of 774.5 mm Hg at 22 °C, at which the vapor pressure of water is 19.8 mm Hg. What is the experimental...
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