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What is the volume of 137g H2O vapor at 125 degrees C and 1.00 atm?
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3NO2+H2O>2HNO3+NO equals how many kJ mol-1
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If two particles with different masses are traveling at the same speed, which one would have the shorter wavelength?
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how many grams of water can be heated from 20 degrees to 75 degrees using 14700 joules
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Determine the total number of moles of solid sodium hydroxide required to react with 649.00mL of 0.8600M phosphoric acid (H3PO4)
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1.50 g of nh3 react with 2.75g of o2 which is the limiting reactant
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2 KMnO4(s) + 16 HCl(aq) 2 KCl(aq) + 2 MnCl2(aq) + 5 Cl2(g) + 8 H2O(l) a) Chlorine is prepared by the reaction shown above. What mass of KMnO4 is required to react with excess HCl to produce 2.55 L of Cl2 at 715 mm Hg and 43.5 C? Use molar masses with at least as many significant figures as...
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5. Find the Density of the water. * Density = Mass/Volume * Here is some information you will need. The data has been collected for you. Item Mass Empty graduated cylinder 41.6 grams...
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Samples of the following volatile liquids are opened simultaneously at one end of a room. If you are standing at the opposite end of this room, which species would you smell first? [Assume that your nose is equally sensitive to all these species. Answer ethyl acetate (CH3COOC2H5)...
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A solution is prepared by dissolving 15.0 g ammonium sulfate in enough water to make 100.0 mL of stock solution. A 13.00 mL sample of this stock solution is added to 56.00 mL of water. Calculate the concentration of ammonium ions and sulfate ions in the final solution.
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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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