Name: ______________________________ period: _______
Ch. 9 & 13 stoichiometry & gas test [50 points] Honors Chemistry
1. At STP, 30.0 L CH3 CH2 OH (g) + 10.0 L O2 (g) -> __ grams CO2 (g) + H2 O [15 points]
2. A 1.5 L container at 30.0 ºC has 1.0 g H2 , 10. g N2 , and 25 g O2 . [15 points]
a. What is the total pressure (in atm) in the container ?
b. What is the partial pressure (in atm) of O2 ?
c. What is the mole fraction of O2 ?
3. What is the mass of the precipitate formed by mixing aqueous solutions containing 100.0 g silver nitrate and 100.0 g sodium carbonate ? [10 points]
4. What is the % yield in the chemical reaction: excess N2 + 5.0 g H2 --> 20.0 g NH3 ? [10 points]