A sample of O2 with volume of 20.0 L at 25°C and 1.00 atm is reacted with excess N2 to produce NO. The equation for the reaction is O2(g) + N2(g)=2NO(g) how many grams of NO are produced?
7.0 L of O2 at 1.0 atm is mixed together with 8.0 L of N2 at 7.0 atm at a constant temperature of 25 C in a 25.0 L vessel. What is the mole fraction of N2 in the 25.0 L vessel? Assume the gases behave ideally. Express your answer as a unitless mole fraction using at least three significant figures.
You have a 3.00-liter container filled with N2 at 25°C and 1.75 atm pressure connected to a 2.00-liter container filled with Ar at 25°C and 2.85 atm pressure. A stopcock connecting the containers is opened and the gases are allowed to equilibrate between the two containers. What is the density of the final gas mixture? Assume ideal behavior.
1- A mixture of hydrogen and argon gases, in a 8.69 L flask at 77 °C, contains 0.477 grams of hydrogen and 7.10 grams of argon. The partial pressure of argon in the flask is ____ atm and the total pressure in the flask is ____ atm. 2- A mixture of methane and carbon dioxide gases is maintained in a 7.86 L flask at a pressure of 1.93 atm and a temperature of 39 °C. If the gas mixture contains...
Nitric oxide is formed in automobile exhaust when nitrogen and oxygen in air react at high temperatures. N2(g) + O2(g) <--> 2NO(g) The equilibrium constant Kp for the reaction is 0.0025 at 2127°C. If a 2.00 L container is charged with 5.00 atm of nitrogen and 5.00 atm of oxygen and the mixture is allowed to reach equilibrium, (i) what will be the equilibrium partial pressure of nitrogen, PN2, and (ii) how many grams of O2(g) are present at equilibrium?...
5. Consider the phase change of cesium: Cs(l)Cs(g) Calculate the temperature (in °C) at which the vaporization of cesium occurs at 1 atm assuming ΔΗ and AS are nearly temperature independent. 6. Consider the reaction N2(g) + 02(g) 2NO(g) (a) Calculate ΔG° for the reaction at 25°C. (b) Calculate AG of the reaction at 259C if the equilibrium mixture contains 0.0200 M N2, 0.0425 M O2 and 0.00625 M NO.
GAS LAWS 1. The initial volume of a gas at a pressure of 3.2 atm is 2.9 L What will the volume be if the pressure is increased to 4.0 atm? 2. A balloon is filled with 35 O L of helium in the morning when the temperature is 20.00. By noon the temperature has risen to 45.00. What is the new volume of the balloon? 3. A helium balloon with an internal pressure of 1.00 atm and a volume of 4.50 L...
Consider the reaction N2(g)+O2(g)↽−−⇀2NO(g)N2(g)+O2(g)↽−−⇀2NO(g) that has an equilibrium constant, ?cKc, fof 4.10×10−44.10×10−4 at 17001700 °C. What percentage of O2O2 will react to form NO if 0.4850.485 mol N2N2and 0.4850.485 mol O2O2 are added to a 0.6870.687 L container and allowed to come to equilbrium at 17001700 °C?
3. A 4.37-g sample of a certain diatomic gas occupies a volume of 3.00 L at 1.00 atm and a temperature of 45°C. Identify this gas. a. O2 b. F2 d. H2 e. N2 c. Cl2 4. When 7.0 g of helium and 14.0 g of argon were mixed in a flask the total pressure in the flask was found to be 712 atm. What is the partial pressure of helium in atm? a. 56 b. 593 c. 833 d....
1. A gas has a volume of 1.57 L at 2.95 atm. What pressure is required to reduce the volume to 1.25 L at the same temperature? at ga 2. A gas has a volume of 3.75 liters at 12°C, what is the volume at 25 C if the pressure remains constant? wil 3. What is the pressure of a gas in a 375 mL container, if it has a pressure of 219 Torr in a 525 mL container at...