How many moles of an ideal gas exert a gauge pressure of 0.876 atm in a volume of 5.43 L at a temperature of 22.2 C?
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How many moles of an ideal gas exert a gauge pressure of
0.876 atm in a volume of 5.43 L at a temperature of 22.2 C?
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- (a) How many molecules are present in a sample of an ideal gas that occupies a volume of 1.90 cm³, is at a temperature of 20°C, and is at atmospheric pressure? molecules -11 (b) How many molecules of the gas are present if the volume and temperature are the same as in part (a), but the pressure is now 1.50 x 10¯ Pa (an extremely good vacuum)? moleculesGas is contained in a 6.00-L vessel at a temperature of 18.0°C and a pressure of 8.00 atm. (a) Determine the number of moles of gas in the vessel. 2.00 mol (b) How many molecules are in the vessel? 1.205 X A mole of objects is equal to how many objects? moleculesA welder using a tank of volume 7.60×10−2 m3m3 fills it with oxygen (with a molar mass of 32.0 g/molg/mol) at a gauge pressure of 2.95×105 PaPa and temperature of 36.0 ∘C∘C. The tank has a small leak, and in time some of the oxygen leaks out. On a day when the temperature is 22.9 ∘C∘C, the gauge pressure of the oxygen in the tank is 1.60×105 PaPa. Find the initial mass of oxygen. Express your answer in kilograms. Find the mass of oxygen that has leaked out. Express your answer in kilograms.
- A fixed amount of a particular ideal gas at 25°C and a pressure of 1.75 ✕ 105 Pa occupies a volume of 2.55 m3. If the volume is increased to 4.2 m3 and the temperature is raised to 26.2°C, what will be the new pressure (in Pa) of the gas?Problem 3. The viral coefficients of a gas at 20 °C and 11.5 bar are B = -138 cm³ mol¹ and C=7222 cmº mol². Calculate the V (molar volume) Z (compressibility factor) of the gas. Use the equation below (R = 83.14 cm³ bar mol-¹ K-¹). PV 2 = ² = (1 + = + =) Z RTA sealed 99 m3 tank is filled with 6000 moles of ideal oxygen gas (diatomic) at an initial temperature of 270 K. The gas is heated to a final temperature of 320 K. The atomic mass of oxygen is 16.0 g/mol. The mass density of the oxygen gas, in Sl units, is closest to:
- 2.40 moles of an ideal gas is initially at 40.0 oC and 1.35 atm. a) What is its volume under these conditions?b) If it is then compressed to one third of its initial volume and its pressure increases to 2.0 atm, what, in Centigrade degrees, will be its temperature?A cylinder of cross sectional area 0.0287 m^2 is filled with an ideal monoatomic gas. A mass of 47.4 kg is placed on top of the piston which is free to move without friction. The piston starts 0.61m above the base of the cylinder. The gas in the piston is initially at a temperature of 454.0 K and the pressure in the lab is 100kPa.How many moles of gas are in the cylinder?