Class Notes for CHEM101 at University of Alberta

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CHEM 101 Lecture 32 Final Exam Review Final Exam: Tuesday Dec. 15 : 9 am to 12 pm Takes place in the Pavilion (Butterdome) Seating Arrangement: Alphabetical Order Each exam has a name and an ID number. You must find your s...

CHEM 101 Lecture 31 Phase Diagrams and Final Review Final: In the pavilion, see eClass for seating number H2O phase diagram Liquid water has a higher density than solid water. This means that ice will float on top of liqui...

CHEM 101 Lecture 30 Changes of State Vaporization: Molecules in the liquid phase have a distribution of speeds and kinetic energy High energy molecules can overcome the IMF and escape the liquid phase, which leads to vapor...

CHEM 101 Lecture 29 Metals THERE WILL BE A MOLECULAR ORBITAL QUESTION ON THE FINAL Bonding in Metals: Metal atoms in a sample pool their valence electrons into a sea of electrons that flows between and around each metal co...

CHEM 101 Lecture 28 Density and Unit Cell Calculations 3 Density = mV expect an answer between 150 g cm bcc r =4 x l or l = 4 x r33 fcc r = 4 x l or l = 4 xr22 3 Ex. Ba crystallizes in a bcc structure and has a density of ...

CHEM 101 Lecture 27 Crystal Packing Packing Efficiency: We assume particles are spheres and not cubes For particles of similar size, the higher coordination, the greater number of particles in a given volume. Hexagonal clo...

CHEM 101 Lecture 26 Crystals We focus on cubic, tetragonal, and orthorhombic crystal lattices. Cubic lattice: All 3 planes are equidistant and mutually perpendic

CHEM 101 Lecture 25 Liquids and Intermolecular Forces Read: 12.4, and 12.6 Practise: Problem Set 6: Can solve questions 15 Nov. 25 lecture is an extremely important lecture to attend (ON FINAL EXAM) Friday Dec. 4 will be a...

CHEM 101 Lecture 23 Van Der Waals Forces Read: 13.1, 12.4, 12.5, 12.6 (in that order) Practise: Problem Set 6 to be posted over the break. Can solve question 1 6 Dipole dipole Attractions: Molecules with permanent dipole m...

CHEM 101 Lecture 22 Intermolecular Forces Ion ion attraction: Ion is attracted by other ions. 400 4000 kJmol Electrostatic attraction (opposite charge) 2 F = k (q1q2 r) The equation tells us that a stronger force means tha...

CHEM 101 Lecture 21 Real Gases Vs. Ideal Gases Diffusion: Mixing of gases Effusion: Passage of a gas through a pinhole into a vacuum When comparing 2 gases, we use Grahams Law of Effusion: Effusion rate is directly proport...

This Guide provides invaluable reference material to anyone who requires readily accessible information concerning the basic principles that underlie this complex science. The Guide carefully references the Periodic Table ...

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permacha srtM PHYSICAL CHEMISTRY Basics Adiabatic process in which no heat is transferred into or out Internal energy The total kinetic and potent...

This Guide serves as a well organized and effective point of entry for anyone embarking upon the study of Chemistry. All fundamental terms are clearly organized in chart form, with illustrative graphics. More complex conce...