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2Fe2 aq Sn2 aq 2Fe2 aq Sn4 aq Which of these definitions best describes the equivalence point when Fe3 is titrated with Sn2 according to the following reaction?
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what is the relationship between Ionic strength and equilibrium constant in aqueous solution???
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How do you draw a model to represent a reaction?
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Empirical formula for N2O4
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A chemist wants to make 6.0 of a 0.350 solution.
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Consider the following reaction: 2HI(g) <--> H2(g) + I2(g). At 298 K, Kc = 1.3 x 10-3, whereas at 783 K, Kc = 2.2 x 10-2. Which of the following is true? The reaction is exothermic. Kp = Kc at both temperatures. At 298 K, Kp = 3.2 x 10-2. At 298 K, the reaction is...
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How many calories are given off when 150 grams of coffee cools from 95 degrees celsius to 88 degrees celcius?
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lewis dot structure for Ag
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56.4 g of sodium oxide is added to enough water to make a solution wiht a volume of 300 ml what is the molarity of the OH- in the final solution
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Initial system Starting from the initial system, the volume of the container is changed to 2 and the temperature to 395 . Starting from the initial system, a combination reaction occurs at constant volume and temperature. Starting from the initial system, the gas reacts completely to...
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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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