1)What is the molar mass of a gas if 1.07 grams of the gas in a 0.539 L flask at 296 K has a pressure of 1.275 atm?
Use R = 0.08206 Latm/molK
2)A 8.7 L cylinder contains a sample of gas at 15.7 atm. What pressure would the gas be in a 6.7 L cylinder at this same temperature?
Report your answer in atmospheres to the correct number of significant figures.
Question 16 Hydrochloric acid is prepared by bubbling hydrogen chloride gas through water. What is the molarity of a solution prepared by dissolving 219 L of HCl(g) at 37°C and 8.91 atm in 5.99 L of water? Question 17 What is the molar mass of a gas if 1.33 grams of the gas in a 0.497 L flask at 425 K has a pressure of 1.59 atm? Use R = 0.0821 Latm/molK Question 19 A 60.3 gram piece of lead...
1) What is the final pressure (expressed in atm) of a 3.05 L system initially at 724 mm Hg and 298 K that is compressed to a final volume of 2.51 L at 273 K? 1) 2) What is the pressure of a 1.0 L flask containing 0.60% of He at 25°C? (R-0.0821 L atm/mol K) 3) What is the volume of 28.0 g of nitrogen gas at STP? 3) 4) What is the final pressure of a system (atm)...
will be exene 16. Gases are sold in large cylinders for laboratory use. What pressure, in atmospheres, will be ex by 2500 g of oxygen gas (O2) when stored at 22°C in a 40.0 L cylinder (R=0.08206 L'atm-K--moll)? A) 3.55 atm B) 1510 atm C) 47.3 atm D) 7.56 x 104 atm E) 10.2 atm 17. Assuming ideal behavior, what is the density of argon gas at STP (standard Temperature and Pressure), in g/L (R = 0.08206 L'atm-K--moll)? [Formula: d...
Calculate the volume of the gas when the pressure of the gas is 2.00 atm at a temperature of 298 K. There are 110. mol of gas in the cylinder. The value for the universal gas constant R is 0.08206 L⋅atm/(mol⋅K) . Express your answer numerically to four significant figures.
Class-work ch.6 and ch. 10 Name 1) What is the final pressure (expressed in atm) of a 3.05 L system initially at 7wHg and 2 that is compressed to a final volume of 2.51 L at 273 K 1) 2) What is the pressure of a 1.0 L flask containing 0.60g of He at 25°C? (R-0.0821 L atm/mol K) 3) What is the volume of 28.0 g of nitrogen gas at STP? 3) 4) What is the final pressure of...
Calculate the ratio of the effusion rate of oxygen (O2) to that of carbon dioxide gas (CO2). Express your answer in decimal form and calculate your answer to at least four sig figs. 4.690 Graham's Law of Effusion is: rate/ratez - (M/M)2 where M - molar mass A cylinder with a moveable piston contains 92g of Nitrogen. The external pressure is constant at 1.00 atm. The initial temperature is 200K. When the temperature is decreased by 70 K, by putting...
Question 13 (1 point) What is the molar mass of a gas if a flask with a volume of 3.16 L contains 9.33 grams of the gas at 32.0°C and 1.00 atm?
If a gas cylinder with a volume of 22.00 L contains 21.1 moles of argon gas at 298 K, what is the pressure of the gas in the cylinder in atmospheres? Express the answer to 3 significant figures.
A cylinder contains 27.5 L of oxygen gas at a pressure of 1.6 atm and a temperature of 296 K, How many moles of gas are in the cylinder?
A cylinder contains 30.5 L of oxygen gas at a pressure of 2.0 atm and a temperature of 320 K. How much gas (in moles) is in the cylinder? Express your answer using two significant figures.