A 9.98 g of an unknown gas occupies 5.60 L at STP. What is the density and identity of this gas?
A 9.98 g of an unknown gas occupies 5.60 L at STP. What is the density...
5.60 g of an unknown gas at STP fills a 500. mL flask. What is the molar mass of the gas?
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
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...
2.15 g of a gas occupies 0.75 L at STP. What is the molar mass of the gas? 70.1 O 64.2 O 75.0 O 3.07 x 10(-2)
A gas occupies 72.1 L at stp. At what temperature would the gas occupy 85.9 L at a pressure of 93.6 kpa?
An unknown gaseous hydrocarbon consists of 85.63% carbon by mass. A 0.100-g sample of the gas occupies a volume of 0.0533 L at STP. What is the identity of the gas? A. C4H8 B. C3H6 C. C2H4 D. C5H10 E. CH2
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
A sample of argon gas at STP occupies 30.0 L. What mass of argon is present in the container?
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
Problems Section 1. A 0.678 gram sample of gas occupies 0.214 L at standard conditions, what is the molar mass of the gas? PronRT 1 (0,214) = NA 273.15 n = R-273.15 n=104,684 -:675 X=18 2. A sample of gas occupies 250 mL at 37°C and 730. torr, what volume would the gas occupy at standard conditions? ,250L 310k 730 + 20.5 10.0206-310 .216L n=0.0094396539 V nr. 273.15 = 2115 3. A 5.00 mL sample of an unknown liquid is...