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What is the final molar concentration of every species remaining in aqueous solution of the following reaction?
2 HCl + Na2CO3 -----> 2 NaCl + H20 + CO2
If 50 g of Na2CO3 is added to 1 L of 1.00 M of HCl
Enough of a monoprotic acid is dissolved in water to produce a 0.0166 M solution. The pH of the resulting solution is 2.38. Calculate the Ka for the acid.
Technetium-99 is a long-live radioactive isotope of technetium. Each nucleus decays by emitting one beta particle. What is the product nucleus?
What range of accelerating voltages would be required to cover the mass range between 16 and 625, for singly charged ions, if the field strength is held constant?
The activation energy of a certain reaction is 35.3 . At 20 , the rate constant is . At what temperature would this reaction go twice as fast?
Products at Home Containing Organic Molecules, Find two or more products in the home that contain organic molecules. From these products, make a list of 10 organic compounds present in the products.
determine how many grams of oxygeno2 would be used when 10.82 litres nitric oxide nog is formed at the temperature of
What is the minimum number of conversions that need to be done across a peak to achieve a reproducibility (relative standard deviation) of less than 1% for repeated measurements of the same peak
the formation of so3 from so2 and o2 is an intermediate step in themanufacture of sulfuric acid and it is also
draw the structure of a compound C5H8O that reacts with 2,4-dinitrophenylhydrazine, decolorizes bromine in dichloromethane, but does not give a positive iodoform test.
The density of benzene at 25.0 degrees C is 0.879g/cm3. What is the volume in liters of 2.5 kg benzene
a specific brand of gourmet chocolate candy contains 7.00 g of dietary fat in each 22.7-g piece. how many kilograms of
the temperature of the resulting solution rises from 25.00°C to 37.90°C. If the specific heat of the solution is 4.18 J/(g · °C), calculate ?H for the reaction, as written.
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