Calculate the mass of each gas sample at STP. 174 mL CO2 157 mL O2 1.21...
A sample of carbon dioxide gas occupies 10,903 mL at STP. What is the mass of the sample? QUESTION 2 A 598 mL sample of carbon dioxide gas, CO2, is collected at 1.72 atm and 36.7 °C. What is the mass of the carbon dioxide?
a 40.0 mg sample of a gas occupies 25.00 mL at STP. calculate the molar mass.
Use the molar volume to calculate each of the following at STP. A. Calculate the number of moles of CO2 in 1.30 L of CO2 gas. B. Calculate the volume, in liters, occupied by 0.150 mol of He gas. C. Calculate the volume, in liters, occupied by 3.30 g of O2 gas. D. Calculate the number of grams of Ne contained in 31.9 L of Ne gas.
Use the molar volume to calculate each of the following at STP. 1) Calculate the number of moles of CO2 in 6.90 L of CO2 gas. 2)Calculate the volume, in liters, occupied by 0.380 mol of He gas. 3)Calculate the volume, in liters, occupied by 6.90 g of O2 gas. 4)Calculate the number of grams of Ne contained in 35.7 L of Ne gas.
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 ....
6. ) A sample of methane gas, CH4, at 322.0 degrees celcius and a pressure of 662 mmHg had a volume of 36.4 L. What would be the volume of the gas at STP 7.) The CO2 gas that was evolved during the fermentation of sugar was collected. After purification its volume was measured as 25.0 L at 22.5 Celcius and 702 mm Hg. How many moles of the CO2 gas were collected ? 8.) Commercially, compressed oxygen is sold...
14. A 251 mL sample of a gas at STP is heated to 45°C. The final pressure of the gas is 1.86 atm. Calculate the volume of the gas under the new conditions. A. 22.2 mL B. 116 mL C. 8630 mL D. 157 mL E. 105 mL 15. Which of the following how the lowest vapor pressure? A. HO B. HCI C. NF D. O, E. CH 16. What is the major attractive force in CO? A. dipole dipole...
26) Which of the following samples has the greatest density at STP? A) O2 B) SF6 C) Xe D) CO2 E) All of these samples have the same density at STP.
QUESTION 1 0.5 points Save Answer A 567.6 mL sample of carbon dioxide gas, CO2, is collected at 1.41 atm and 22.3 °C. What is the mass of the carbon dioxide? QUESTION 2 0.5 points Save Answer What will be the pressure of 27.8 grams of oxygen gas in a glass container with a volume of 5 L at 28.8 °C? QUESTION 3 0.5 points Save Answer Consider the reaction between hydrogen gas and oxygen gas to form water: 2...