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Solid ammonium carbonate, NH4CO2NH2, decomposes at 25 degrees C to ammonia and carbon dioxide. The equilbrium constant for the decompositon at 25 degrees C is 2.3 X 10 ^ -4. At 25 degrees C , 7.5 g of NH4CO2NH2 is sealed in a 10 L flask and allowed to decompose. a. what is the total...
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How many grams of ice could be melted by the energy obtained as 18.0 g of steam is condensed at 100.0 C and cooled to 0.0 C?
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what is the pH of a .095 M chloric acid solution?
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If a current of 2.00 ampere is passed for 48 hours, what mass of aluminum id deposited at the electrode? Assume 100% current efficiency.
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1. Carbon dioxide in water is an example of which solute-solvent combination? a. gas-liquid c. cannot be determined b. liquid-gas d. liquid-liquid
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Find the normality of each solution. (a) 66.4 g Mg(OH)2 in 3.9 L of solution N (b) 2.0 g HBr in 478 mL of solution N (c) 39.7 g H2SO3 in 4.1 L of solution
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Materials -sandwich-sized plastic ziplock bag -graduated cylinder -paper cup -rubber band -measuring spoons -vinegar -baking soda -twist-tie (like the closure for a loaf of bread) Part 1: The Reaction 1.Use the paper cup during this part of the experiment. 2.Measure...
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what is the solubility of NH4Cl at 60 degrees Celcius?
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pleas answer all the questions on my asignemtn i can not do them at all!
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At a certain temperature and pressure 4.2 L of N2 reacts with 6.3 L of O2. If all the N2 and O2 are consumed, what volume of N2O3, at the same temperature and pressure, will be produced?
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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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