Exam 1 Tuesday 9/29 6:10-8:00 pm CHEM 1650 Bring a non-programmable calculator You will be provided the last two pages of the course pack Practice problems posted on website Exam ethics Exam Topics
Through lab TOMORROW Homework answer key posted Scientific definitions (fact, law, etc.) Scientific method Unit conversions; significant figures Mole Atoms (historical experiments, subatomic particles, size, orbitals, electron configurations) Elements, molecules
Periodic table (trends) Next Chemical Scholarship Assignment Work in new group Presented in Section on Wednesday 10/5 Briefing on chemically modified food Goals
Explore use of chemistry in food Tie examples to class topics Determine most controversial and most beneficial Topics
Trans fats MSG Nitrates Homogenized milk Vitamin D in OJ Fluoride in water Fortified flour Iodized salt Brief
What is the modification (chemical structures as appropriate) Why it is done? How it the food modified?
What food products does it appear in? Tie in some aspect of this chemistry course (elements, periodic trends, bonding, intermolecular forces, thermochemistry) A brief history (how, when, and where did it all get started?) Is it FDA approved? Summarize the modification advantages and disadvantages Brief us on any debate surrounding the modification (explain the positions that people hold and why they hold them). How heated is the debate? Cite data from at least one scientific study Misc. 7 minutes total
Whos talking? Background Debate Answers to questions Questions Power point available Grading (20 points)
4 points (what, how, where, when) 4 citations including scientific study and results 4 debate 2 tie to chemistry studied in class 2 (1 point each) question answered 2 (1 point each) question asked 2 presentation (volume, clarity, effectiveness) Exam 2
Tuesday, October 25 6:10-8:00 pm CHEM 1650 Lewis structures; VSEPR Bonding; Polarity Intermolecular forces Thermochemistry Calorimetry Phase change Heats of formation; enthalpy of reactions Aqueous Solutions concentration units colorimetry precipitation
Group Evaluations September (everyone got 9 in-class points) October: Total points out of total possible*food briefing grade (9/9) Returned today in discussion Note 75 possible in-class points to date Exam 2 18 16
20-25 25-30 30-35 35-40 If assigning grades.. Slide down a grade A 550/700 B 475/700
C 400/700 D 325/700 Intermolecular Forces Lewis Structures Common answers: Thermochemistry Heat out of ice Water 21.3 to 0oC Water to ice (heat of fusion) Ice 0.0 to 22oC
How much propane would you have to burn to get the same amount of heat C3H8 + 5O2 3 CO2 + 4 H2O What is H of reaction? kJ/mol C3H8 to grams C3H8 Team problem qice = - qbeer qice = Melt ice + raise temp of water qbeer = 6 bottles + ethanol + water
Reference: CIBSE TM 43 - Fan Coil Units. CO. 2. emissionsA 'sustainability' rating in terms of kg CO. 2 / m2 TFA as derived from SBEM analysis. Fan coil systems + Boiler. Water Chiller. Primary AHU. Fan coil unit. Air-side...
Einblicke in die Welt des Saturn Rainer Gerhards Agenda Einige Fakten Saturn Ringe Monde kurze Geschichte der Saturn-Entdeckung Einige Fakten Zweitgrößter Planet nach Jupiter Durchmesser ca. 10 mal größer als der der Erde (ca. 120.000km) Einige Fakten Zweitgrößter Planet nach...
The Quartus10.0 altera_mf altshift_taps_component was missing a VHDL generic "ram_block_type". Quartus 10.1 has fixed this issue, so we will recompile the 10.1 altera_mf library, follow the same steps from slide 14 above, except point to the 10.1 directory structure. Another...
ORDEAL BY CHECK An introductory activity about the Nature of Science Elizabeth Nagy-Shadman and Mike Rivas California State University Northridge Students should become familiar with the nature of science (NOS) There is a single scientific method agreed upon and used...
Internet Tasks and Projects in Ethnic Schools Robert Debski The University of Melbourne [email protected] Aims To explain how the Internet can be used to implement tasb and project-based learning To provide a linguistic and pedagogical rationale for Internet-based tasks and...
Disaster epidemiology and risk assessment in SEE countries Elisaveta Stikova, Ronald LaPorte, Faina Linkov, David Piposzar, Stebbins Samuel * * Hazard incidence shows flood is more frequent in the country, while more deaths were caused by technological (transport accident) hazards.
Crown Holdings Inc. (CCK) is one of the world's leading producer of metal packaging products. The company manufactures beverage cans, metal food cans, closures, and aerosol cans. Beverage cans are the main business segment for the company as it makes...
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