A gaseous compound has a density of 1.60 g/L at 21.2 °C and 1.83 atm. What is the molar mass of the compound?
A gaseous compound has a density of 1.60 g/L at 21.2 °C and 1.83 atm. What...
A gaseous compound has a density of 1.32 g/L at 24.6 °C and 1.59 atm. What is the molar mass of the compound? Molar mass = _______ g/mol
A gaseous compound has a density of 1.76 g/L at 21.3 °C and 1.10 atm. What is the molar mass of the compound? g/mol Molar mass =
A gaseous compound has a density of 1.21 g/L at 23.4 degree C and 1.24 atm. What is the molar mass of the compound? Molar mass = _______
A gaseous sample of a compound has a gas density of 0.647 g/L at 694 torr and 20 °C. What is the 4. molar mass of this compound? If this compound contains only nitrogen and hydrogen, and is 82.2% nitrogen by mass, what is its molecular formula? 5. What is the density in g/L of neon gas at STP?
What is the molar mass of a compound if a gaseous sample has a density of 0.978 g/L at 30 °C and 615 torr? The temperature in Celsius is known to two significant figures.
A gaseous compound has the empirical formula CH2. Its density is 0.426 g/L at 0.465 atm and 373 K. What is the molecular formula of the gas? (R = 0.08206 L·atm/mol·K) A) C2H4 B) C3H6 C) C4H8 D) C5H10 E) C6H12
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...
The density of an unknown element in the gaseous state is 1.60 g at 300 K and 1 atm. Which of the following could be the element? a. He b. Ne c. Ar d.O2 e. Cl2
1. A gaseous hydrocarbon has a density of 0.1310 g/L at -46.4 °C and 0.04532 bar. Calculate the molar mass of the hydrocarbon. Draw a plausible structure for the hydrocarbon. 2. An electron drops from the 8th energy level to the 4th energy level in a hydrogenic ion. Light with a wavelength of 13.50 nm is emitted. What is the formula for the ion?
A gas has a density of 2.63 g L-1 at 46 °C and P = 1.05 atm. What will be its density at 185 °C? Calculate the molar mass of the gas, assuming it obeys the ideal gas law. Density at 185 °C = g L-1 Molar mass = g mol-1