Given each of the following sets of values for an ideal gas, calculate the unknown quantity. a. P 782 mm Hg; V ?; n 0.210 mol; T 27 C b. P ? mm Hg; V 644 mL; n 0.0921 mol; T 303 K c. P 745 mm Hg; V 11.2 L; n 0.401 mol; T ? K

General Chemistry B Week Two: 9/5 – 9/11 1. Stoichiometry: a. Based on the conversation of mass b. Depends on the property balanced equation i. Balance the equation: H 2 O à 2 O 2 ii. Answer: H +2O à 2H O 2 c. Rules: i. Write the complete chemical reaction ii. Count the total amount of each atom on each side a. i.e. H:2 O:2 à H:2 (4) O:1 (2) iii. balance the elemtents one at a time a. start with elements OTHER than C, O, and H b. balance C,O, and H last c. use whole number coefficiants d. i.e. 2H not 2.345H iv. Edit pre