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Show the mechanism that leads to the major organic product in the following reaction. Make sure to take any stereospecificity into account in your answer.
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the decomposition of phosphine half life at 550 degrees celsius is 81.3 seconds. How long does it take for 89% to decompose?
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Hg2Cl2
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Calculate the density of propanol C3H8O if you know that there are 1.069 1025 molecules of propanol in 1.35 L. 1. 0.0131 g/mL 2. 0.789 g/mL 3. 1.27 g/mL 4. 13.1 g/mL 5. 0.234 g/mL 6. 1.23 g/mL
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How many moles are in 63.0 g of (NH4)2Cr2O7? 1. 1.00 mol 2. 4.00 mol 3. 0.250 mol 4. 0.500 mol
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Calculate the percentage composition of bar- ium nitrate (Ba(NO3)2). Choose the correct percentages for Ba, N, and O. 1. 52.55% Ba, 10.72% N, 36.73% O 2. 11.11% Ba, 22.22% N, 66.67% O 3. 10.72% Ba, 52.55% N, 36.73% O 4. 50.00% Ba, 10.00% N, 40.00% O 5. 56.54% Ba, 12.54% N, 30.92% O
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500 mL of 2Mhydrochloric acid is mixed with 100 mL of 3 M calcium hydroxide. What is in this reaction vessel (in significant amounts) after the reaction has run to completion? 1. water, calcium chloride, Ca2+, and OH 2. water, calcium chloride, HCl molecules, H3O+, and Cl 3. water,...
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How many milliliters of a stock solution of 10.8 M HNO3 would you have to use to prepare 0.500 L of 0.450 M HNO3? Please show work!
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Select the correct Lewis structures for the following species, including all resonance forms for CH2NO2-
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What is the temperature of 10.0 g of oxygen gas at a pressure of 740 mm Hg and a volume of 5600 mL?
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Sample Questions
- 1. For organic chemistry, what is a concerted shift? How do things like acids or heat affect them? What other factors affect them?
- 2. Which of the following reactions is an acid-base neutralization reaction? Why are the rest of the answers incorrect?
- A. AgNo3 (aq) + NaI (aq) --> AgI (s) + NaNO3 (aq)
- B. S8(s) + 8O2 (g) --> 8SO2(g)
- C. Na3PO4 (s) + 2H2O (l) --> H2 (g) + 2NaOH (aq)
- D. Ca (OH)2 (aq) + 2HI (aq) --> CaI2(aq) + 2H2O (l)
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