Determine the density of O2 gas molecules at STP in mg/L. (Hint: use 1.0 mol of O2).
Determine the density of O2 gas molecules at STP in mg/L. (Hint: use 1.0 mol of O2).
QUESTION 1 is 1.34 g/L at STP The density of {Hint: these molecules have different molar masses.} NO co Ne F2 CH4 QUESTION 2 The density (in g/L) of CO2 at 1157.5 torr and 65.3 °C is 12.5 0,0238 0.0548 1830 2.41 QUESTION 3 g/L The density of nitric oxide (NO) gas at 0.866 atm and 29.8 °C is 1.05 0.354 0.957 10.6 0,0348
1.) A gas is found to have a density of 3.165 g/L at STP. What is its molar mass? Which of the following gases is it most likely to be? Molar Mass: _________ a. NH3 b. O2 c. Cl2 d. SF6 2.) Calculate the pressure exerted by 5.05 moles of NCl3 gas in a 20.00-L container at -205°C for a real gas. (for xenon: a= 42.63 atm·L2/mol2 and b= 0.2450 L/mol) 3.) Which of the following is NOT true in...
Calculate the density of oxygen, O2, under each of the following conditions: STP 1.00 atm and 35.0 ∘C Express your answers numerically in grams per liter. Enter the density at STP first and separate your answers by a comma. To identify a diatomic gas (X2), a researcher carried out the following experiment: She weighed an empty 4.8-L bulb, then filled it with the gas at 1.40 atm and 30.0 ∘C and weighed it again. The difference in mass was 7.5 g ....
-n Avogadro's Law and Molar Volume at STP (1.00 mole of any gas-22.4 L at STP) 11. ゴog Na × mol -1.78 mol n, 50.0 g of nitrogen (N2) has a volume of-一liters at STP. 18 met I mo V= 39.9 L 12. 1.00 x 10 g of oxygen (O2) is added to the gas in Question 11. What is the volume of the combined gases at STP? 13· What is the density of carbon dioxide at STP in grams...
If the density of an unknown gas is 1.95 g/L at STP what is the molar mass of the gas? (R = 0.0821 atmL/molek) A) 11.4 g/mol B) 22.4 g/mol C) 23.8 g/mol D) 43.7 g/mol E) 139 g/mol
Consider a 1.0-L container of neon gas at STP. Will the average kinetic energy, average velocity, and frequency of collisions of gas molecules with the walls of the container increase, decrease, or remain the same under the following condition: The temperature is decreased to -50°C.
The density of a gas is 1.25 g/L at STP. What is its molar mass? A) 22.4 g/mol B) 17.9 g/mol C) 28.0 g/mol D) 37.6 g/mol E) 41.6 g/mol please show work
* At STP, which sample contains twice the number of molecules found in 4.00 L of hydrogen gas? * What is the volume of 3.00 mol of neon gas at STP? * The mass of 5.6 liters of a gas at STP is 11 g. Find the identity of the gas. * Find the volume of 6.00 g of hydrogen at 1.50 atm and 273 K? * At which pressure would a 2.60 mol sample of gas at 20.0°C have...
The density of a gas is 0.803 g/L at STP. What is its molar mass? PICK ONE A 22.4 g/mol B 27.9 g/mol C 18.0 g/mol D 24.1 g/mol E 26.7 g/mol
5. The density of hydrogen gas, H.(8), at STP has been measured to be 0.08988 g/L (a) Calculate the molar volume of this gas at STP. (b) Calculate the per cent deviation of this value from the molar volume of an ideal gas, 22.414 L. (C) Assuming Charles' law to be valid, calculate the molar volume of this gas at 1.000 atm and 25.00°C. (d) Assuming the molecules of the gas "occupy equal fractions of the total gas volume, and...