Chemistry 1035 – General Chemistry I Fall Semester‚ 2013 3 hours credit‚ CRN 91627 Office Hours (Randolph 144) Preston Durrill‚ Instructor M 8:00-9:00‚ 1:30-5:00 Randolph Hall‚ Room 144 Tu 9:00-11:00‚ 4:00-5:00 Office phone: 540-231-6774 W 8:00-9:00‚ 1:30-5:00 Home phone: 540-961-5179 Th 9:00-12:00‚ 4:00-5:00 e-mail: pdurrill@vt.edu F 8:00-9:00‚ 1:30-3:00 Class times: 2:00-3:15 Tuesday and Thursday in McBryde 100. Evening help sessions: Wednesdays 5:00-6:30 p.m. in Hancock
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SCH 4U1 FINAL EXAM REVIEW ATOMIC STRUCTURE AND MOLECULAR ARCHITECTURE 1. Describe the wave mechanical model of the atom. 2. Write the ground state electron configuration for Br. 3. Explain why the first ionization energy for Ne is significantly greater than Na. 4. Distinguish between ionization energy and electronegativity. 5. How does VSEPR Theory account for the fact that the bond angle in H2O is less than NH3? 6. Which of the following molecules are polar? Include diagrams
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Chem 1212L-345 Lab report Experiment #20: Temperature Change and equilibrium Woochul Jin Jeeyoon Kong‚ Alla Asmerom Hagos 03/22/2011 Woochul Jin Chem 1212L-345 Experiment #20 Lab Report Temperature change and equilibrium Introduction: In this experiment‚ we will find out how the variation of the value of an equilibrium constant with temperature can be used to determine the enthalpy (heat)‚ entropy (randomness)‚ and free energy (G) changes associated with the system in question
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I am writing to you concerning the recent legislation regarding allowing illegal immigrants to be given amnesty and allowed to apply for work permits and‚ after two years‚ being granted citizenship. This troubles me greatly‚ especially with our unemployment rate being as high as it currently is. This would make it much more difficult for those searching for employment as there would be much more competition. Secondly‚ if an illegal immigrant is allowed to become a U.S. citizen that easily‚ this
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can be agreed need better solutions. But limiting online speech that is done outside of school is not one of them. Limiting online speech especially if it is done outside school. It is jeopardizing 1st amendment freedom of speech rights. Also cyberbullying is not a widespread problem and cyberbullying is not that disruptive in the school environment. Therefore it is necessary to look at all the facts here on limiting online speech. I feel that limiting online speech that happens outside of school
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Tashia & Tobi Lab Report experiemt 5 INTRODUCTION In this experiment we were wanting to find the specific heat of an unknown metal and determining what metal it was by using the formula q=c X m X change of temperature. We did two trials to compare the two and see what we come up with. EXPERIMENTAL First we chose an unknown metal‚ in which our unknown was unknown metal 2‚ the metal was gray and irregular shaped. We setup the calorimeter and got a mass of it just being empty then we got
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3.09 Honors: Here is sample data and how you would do the calculations. Of course‚ you will need to use your data‚ but you can follow along step-by-step. In the lab‚ you must record the following measurements: mass of your empty crucible mass of your crucible and the hydrate (the original chemical) mass of the crucible and chemical after heating(which is the dehydrate) The other two in the data table are calculated (mass of hydrate and mass of dehydrate) SAMPLE DATA – YOU MUST USE YOUR
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Purpose=The purpose of this lab was to combine reactants‚ which we would pick ourself‚ to make 2 grams of Copper Phosphate and another product. Background: Chemistry is the branch of science that deals with the identification of the substances of which matter is composed. Chemistry has to do with many things we use today. For example‚ fireworks are made by the chemical combining magnesium‚ titanium‚ copper‚ aluminum‚ strontium‚ or other periodical elements. Things also like making plastic‚ jewelry
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WS 3.1 The Mole 1. Describe/relate the size of the mole to an everyday object. 2. What is Avogadro’s Number? 3. How many marbles are in a mole of marbles? 4. How many mosquitoes are in a mole of mosquitoes? WS 3.2 Molar Mass Find the molar mass of the following compounds: Show work and include units 1. CO2 2. 3. 4. 5. Fe2O3 6. 7. 8. 9. AgCl 10. 11. 12. 13. Ca3(PO4)2 14. 15. 16. 17. W3(PO3)5 18. 19. 20. 21. Fe(C2H3O2)2 22. 23. 24. 25. Calcium Carbonate 26. 27
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Saint Peter’s Prep Science Department AP Chemistry Alexander D. Canale Term: 2013-2014 AP Chemistry Description The AP Chemistry course is designed to be the equivalent of the general chemistry course usually taken during the first college year. For some students‚ this course enables them to undertake‚ in their first year‚ second-year work in the chemistry sequence at their institution or to register in courses in other fields where general chemistry is a prerequisite. For other
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