
5(a-b). Determine the volume of 10.0 g of CH4 gas at 25°C and 750 mm Hg....
What volume of oxygen gas at 423 K and pressure of 750 mm Hg is produced by the decomposition of 84.5 g of Barium peroxide (BaO2 (s)) to BaO (s) and O2 (g)? BaO2 (s) --> BaO (s) + O2 (g) (not balanced) (R=0.082 (L.atm) /(mol.K))
At a temperature of 25 degree C and a pressure of 750 mm Hg, 3.00 g of cyanogen gas occupies 0.714 L. What is the Molar Mass of the Molecule, cyanogen What is the molecular formula of cyanogen if Cyanogen is a gas which contains 46.2% C and 53.8% N by mass.
A sample of CH4 gas has a volume of 367 mL, has a pressure of 704 mm Hg, and is at a temperature of 7.50 °C. Calculate the amount (in moles) of CH4 in the gas sample. ____mol
The pressure inside a 1.0 L balloon at 25°C was 750 mm Hg. What is the pressure (in mmHg) inside the balloon when it is cooled to -95°C and expands to 1.8 L in volume?
What is the volume of Co, produced at 25°C and 1.6 atm when 6.1 g of glucose are used up in the reaction: (MM CH,06 = 180 g/mol; R = 0.0821 L.atm/mol.k) CH,20 () + 60,(9) - 600,(9) + 6H,00) Select one O a. 1.3L Ob.7.4L c.3.12 d. 31 O e. 4.7L The stock solution is 0.02M and the final volume for solutions 1-5 is 50 ml. What are the concentrations that will fill in the A, B, and C...
3.A sample of a pure gas at 20 °C and 670 mm Hg occupies a volume of 562 cm3. How many moles of gas are in this sample? 4.An unknown compound contains only carbon and hydrogen. What is the volume (in L) of 1 mol of this gas at 100 °C and 760 mm Hg? 5.The same 1 mol sample of gas from the previous problem has a vapor density of 2.550 g/L. If the empirical formula of the compound...
2. Methyl alcohol, CH,OH, has a vapor pressure of 203 mm Hg at 35°C. If 5.00 g CH2OH is sealed in a 10.0 L flask, what mass will remain in the liquid phase when equilibrium is established at 35°C? (760 mm Hg = 1 atm, R = 0.0821 L.atm/mol K) a. 0.00 g b. 1.62 g c. 2.08 g d. 2.27 g e. 4.69 g
Question 5 Determine the density of NH3 gas at 435 K and 760 mm Hg. R = 0.08206 Latm/mol K; 1 atm - 760 mm Hg O 2.24 g/L O 0.477 g/L 0.851 g/L 2.10 g/l
At 570. mm Hg and 25 °C, a gas sample has a volume of 2270 mL. What is the final pressure (in mmHg) at a volume of 125 mL and a temperature of 17.5 °C?
At 25°C, the vapor pressure of benzene is 96.0 mm Hg; 30.3 mm Hg for toluene, and 23.76 mm hg). 1. What is: (i) the vapor pressure of a mixture of 10.0 g of benzene and 20.0 g toluene at 25 oC, and; (ii) the mole fraction benzene and toluene in the vapor of the solution? 2. What is the vapor pressure of a solution of 15.0 g of NaNO3 in 50.0 g of water at 25° Please answer all...