5. An unknown gas has a density of 0.355 g/L at 17 °C and 189 mm Hg. (i) Calculate the molar mass of the gas? (ii)...
4. What is the net ionic equation for the following reaction? (2 Pts.) K2CO3 (aq) + H2SO4 (aq) → K2SO4 (aq) + CO2 (g) + H2O (2) 5. An unknown gas has a density of 0.355 g/L at 17 °C and 189 mm Hg. (i) Calculate the molar mass of the gas? (ii) What is the identity of the gas? (2 pts.)
1. A 1.64-g sample of an unknown gas has a volume of 589 mL and a pressure of 757 mm Hg at 38.6 °C. Calculate the molar mass of this compound. g/mol 2. Calculate the density of methane gas (in g/L) at 584 mm Hg and 36.4 °C. g/L
2. An unknown gas has a density of 0.714 g/L at STP. What is the molar mass of the unknown gas? 3. What is the molar mass of a gas if 0.891 liters at 20.0°C and 1.20 atm weighs 3.17 g? 4. Acetylene gas, CH2, reacts with oxygen gas to produce gaseous carbon dioxide and liquid water. Write the balanced equation for this reaction. What volume of CO2 is produced at STP from 5.00 g 02? 5. What is the...
What is the molar mass of an unknown gas with a density of 2.50 g/L at 1.00 atm and 25.0 °C?
What is the molar mass of an unknown gas with a density of 2.50 g/L at 1.00 atm and 25.0 °C? Convert 2.70 atm to torr STARTING AMOUNT ADD FACTOR ANSWER 0.98692 1 2.70 760 0.00114.70 1000 20.3 1.01325 * 10% 1.01325 2050 101.325 105 0.00355 psi | kPa bar Paatm mm Hgtor
An unknown gas at 75.1 ∘C and 1.00 atm has a molar mass of 30.07 g/mol. Assuming ideal behavior, what is the density of the gas? density: ______ g/L
stion 15 of 17 > A 2.25 g sample of an unknown gas at 61 °C and 1.10 atm is stored in a 2.35 L flask. What is the density of the gas? density: What is the molar mass of the gas? molar mass: g/mol
9. The density of a diatomic gas is 1.634 g/L at 1.50 atm and 40.0°C. Calculate the molar mass of the gas, and use the periodic table to identify the gas (10 pts)
1. A gas with a density of 1.107 g/L is at 301 K and 740.0 mm Hg. What is it's Molar Mass? 2. Phosgene, COCl2, is a deadly gas. What is its density in g/L at 298 K and 1.00 atm? 3. A gas mixture is 5.00 grams of Ne, 10.0 grams of He, and 15.0 grams of Ar gases. A container is kept at -100ºC and 7550 mL. What is the partial pressure due to Argon in mm Hg?
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