UB Chemistry

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Week 4 – Counting Particles

Please post any questions you may have in the comments. http://www.ck12.org/chemistry/Molar-Mass/ http://www.ck12.org/chemistry/Conversions-between-Moles-and-Mass/ https://www.khanacademy.org/science/health-and-medicine/lab-values/v/the-mole-and-avogadro-s-number?ref=chemistry_staff_picks Homework: due Wednesday, July 5 Lab Packet: LabPacket – Week 3 Week 3 Practice: Practice – Week 3 – energy bar graphs…

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Week 3 – Moving Particles

Tuesday:  We observed the diffusion of perfume in air.  We concluded that the diffusion must be occurring because particles of air are moving, they bump into the scent particles, which cause them to spread out…

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Week 2 – Mass & Volume Relationships

  Monday: Volume = the amount of space an object takes up. Volume can be measured using a graduated cylinder (for fluids) or water displacement (for irregular solids).  For regular geometric solids, you can calculate…

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Week 1 – Models of Mass

Exploding Can Demo: Students observed a can containing natural gas as it was lit, as the gas burned, and finally the can “exploded.”  They then drew diagrams on a whiteboard of their models for understanding…