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Rank the following compounds in order of increasing acid strength (1 = weakest, 4 = strongest) HClO HClO3 HClO2 HClO4
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Draw the structure of the diacetylferrocene you would obtain if ferrocene were diacetylated.
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How much heat is given off when 24.0g of methane is burned in air?
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Assuming that the reaction SO2(g) + H2O(l) --> H2SO3(l)is quantitative, how much sulfurous acid is formed when 100.0 g of sulfur dioxideare mixed with 60.0 g of water?
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Explain how to correct for the partial of water vapor when calculating the partial pressure of a dry gas is collected over water?
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How much heat is needed to heat 6.93 grams of ice fro -13 degrees celsius to 25 degrees celsius?
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2 Cu (s) + S (s) Cu2S (s) S (s) + O2 (g) SO2 (g) Cu2S (s) + 2 O2 (g) 2 CuO (s) + SO2 (g) Overall reaction: Heat of formation for CuO (s)
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a mixture contains 76.5% NaCl
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what is the acid dissociation constant of a weak acid if a concentration of 0.3 M gives a hydrogen ion concentration of 0.001M?
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why must a balanced chemical equation be used when determining Keq?
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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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