
A glass bulb of volume 0.225L contains 1.251 g of gas at 759 torr and 121...
At 21 °C and 759 torr pressure, what will be the volume of 71 mol of NO gas? (Enter your answer in scientific notation.)
A flask with a volume of 1.02 L contains 14.58 g of an unknown gas at 35.1 °C and 846 torr. What is the molar mass of the unknown in g/mol? Report your answer to TWO places past the decimal. Do not include units. The gas constant R = 0.082058 L⋅atm/mol⋅K and 1 atm = 760 torr.
A 125 mL glass bulb contains 0.138 g sample of propane, C3H8, at 22C. What is the pressure of this gas? [R = 0.0821 L atm mol-1 K-1] a. 0.61 atm b. 0.28 atm c. 0.045 atm d. 0.0061 atm e. 0.000045 atm Acetylene can be made by reacting calcium carbide with water: CaC2(s) + 2 H2O(l)→Ca(OH)2(s) + C2H2(g) What is the maximum volume of acetylene that can be obtained from 225 g of calcium carbide at 23C and 645...
A sample of a gas weighs 4.072 g and has a volume of 1020.0 ml at 855.0 torr and 24.0 degree C.what molar mass?
1) What is the temperature in K of an ideal gas where P = 676 torr, n = 0.0362 mol, and V = 735.0 mL? 2) If the mass of the gas in the preceding problem is 29.4 g, what is the molar mass or molecular weight of the gas? 3) At a fixed temperature and number of moles, the initial volume and pressure of a helium gas sample are 238 mL and 685 torr, respectively. What is the final...
A sample of a gas weighs 2.65 g and has a volume of 1061 mL at 705.0 torr and 38.0 °C. What is its molar mass? g/mol
A sample of a gas weighs 4.10 g and has a volume of 896.0 mL at 825.0 torr and 36.0 °C. What is its molar mass?
A sample of gas has a mass of 0.545 g . Its volume is 117 mL at a temperature of 84 ∘C and a pressure of 760 Torr . Find the molar mass of the gas.
A flask with a volume of 3.16 L contains 9.33 g of an unknown gas at 32.0°C and 1.00 atm. What is the molar mass of the gas? (R = 0.08206 L • atm/K • mol) Multiple Choice 18 Ο 776 g/mol Ο 144 g/mol Ο 66.1 g/mol Ο 739 g/mol Ο 81.4 g/mol
A sample of gas has a mass of 0.565 g . Its volume is 115 mL at a temperature of 85 ∘C and a pressure of 760 Torr . Part A Find the molar mass of the gas.