Chem 102 Final Exam Questions with Correct Answers

P=F/A - ANSWER-pressure equals force divided by area Boyle's Law - ANSWER-they volume of a fixed quantity of gas at constant temperature is INVERSELY proportional to the pressure Boyle's Law equation - ANSWER-PV=K Charles's Law - ANSWER-The volume of a fixed amount of gas at a constant pressure is directly proportional to its absolute temperature Charles's Law Equation - ANSWER-V/T=K Avogadro's Law - ANSWER-The volume of a gas at constant temperature and pressure is directly proportional to the number of moles of the gas Avogadro's Law Equation - ANSWER-V=Kn Combined Gas Law - ANSWER-(P₁V₁)/T₁=(P₂V₂)/T₂ Ideal Gas Law - ANSWER-PV=nRT Calculating Gas Density - ANSWER-d=PM/RT where d is density and M is molar mass Calculating Molar Mass of gas - ANSWER-M=dRT/P Partial Pressure of a Gas - ANSWER-the pressure exerted by a particular component of a mixture of gases Dalton's Law of Partial Pressures - ANSWER-the total pressure of a mixture of gases equals the sum of the pressures that each would exert if it were present alone Dalton's Law Equation - ANSWER-Ptotal=P₁+P₂+P₃+... Mole Fractions - ANSWER-Xi=(number of moles i)/(total moles) Mole fraction and partial pressure - ANSWER-Pi=mole fraction x total pressure Pi= Xi · Pt Effusion - ANSWER-the process of a gas escaping from a container by passing through a small opening