17. The density of nitrogen at STP is A) 1.60 g/cm B) 0.800 g/L C) 1.25...
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
Calculate the density of nitrogen at 695 Torr and –15°C. A. 1.08 g/L B. 9.07 g/L C. 2.42 g/L D. 1.21 g/L E. 0.605 g/L Show steps please.
The density of nitrogen gas (N2) at standard temperature and pressure (STP, 0°C and about 1atm) is 1.25 kg/m3, while the density of liquid nitrogen at atmospheric pressure is 0.81 x 103kg/m3. Let D denote a typical distance between nitrogen molecules in its gas (i) Assuming that the nitrogen atoms in the liquid are basically touching each other, esti- ii) Using the ideal gas equation of state determine the volume of 1 mole of gas at STP. phase and d...
calculate the molar mass for each of the following gases given the STP density: (a) oxygen, 1.43 g/L (b) phosphine, 1.52 g/L (c) nitrous oxide, 1.97 g/L (d) Freon-12, 5.40 g/L
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
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
12 J dz. 1,26 g/L 16. Oxygen has a density of 1.43 g/L at STP. What is the density of oxygen at -33° C and 650. mm Hg? 17. A partially filled weather balloon contains 1000. cubic feet (ft3) of helium at 23 °C and 1.00 atm. What is the air temperature when the balloon reaches a height where the pressure is 0.660 atm and the volume of the balloon has expanded to 1.20 x 103 cubic feet?! Instructors Initials
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 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?
QUESTION 8 The density of a gas is 1.2 g/L at STP. What is its molar mass? a. 30 g/mol b. 27 g/mol c. 46 g/mol d. 18 g/mol e. 29 g/mol QUESTION 4 What is the oxidation half-reaction for the reaction of zinc with hydrochloric acid? Zn(s) + 2H+ (aq) + 2C1"(aq) → Zn2+(aq) + 2Cl(aq) + H2(8) O a. 2H +(aq) + 2e (aq) → H 2(3)+261 (aq) b. 2H +(aq) + 2e - → H2(g) OC. Zn(...