A glass bulb of volume 0.225L contains 1.251 g of gas at 759 torr and 121...
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?
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.
A cylinder of volume 1.00m^3 contains 320 g of oxygen gas (O_2) at a temperature of 27.0 degree C. The atomic mass of oxygen is 16 u. (1u = 1.66 times 10^-27 kg) What is the pressure exerted by the gas on the walls of the container? If the volume of the cylinder is reduced to half its original value by pushing down on a piston and the pressure exerted by the oxygen gas on the walls of the cylinder...
Exercise 6.4 • How many moles of gas will occupy a 750 ml volume at 25°C and 0.42 atm pressure? . 2 If the argon gas in a light bulb exerts a pressure of 0.54 atm at 20°C. what pressure will it exert at 160°C? 3 What is the molar mass of a gas if 0.21 g occupies a 0.13 liter volume at 80°C and 0.92 atm pressure? - How many grams of ammonia gas, NH,, are there in a...