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Write the net ionic equation for the reaction that occurs when an aqueous solution of hydrochloric acid reacts with an aqueous solution of ammonia.and find delta H
Calculate the pH of a buffer composed of .50 M formic acid (HCO2H) and .70 M sodium formate (HCO2-Na+) before and after the addition of 10.0 ml of 1.0 M HCL
What experimental difficulty would you encounter if you had neglected to include a drying step before evaporation
When aluminum is produced by electrolysis we get 5.68 tons of aluminum and 5.04 tons of oxygen. What is the empirical formula of the compound that is being electrolyzed
The analysis was completed by titrating the excess acid with 11.37 mL of 0.1080 M NaOH. How many of these tablets represent a proper dose for patients whose weight is 100 lb (assume that 1 pound, lb, is 0.45 kg).
When an electron in a hydrogen at moves from the n = 6 to the n = 2 shell, a photon is emitted. What is the wavelength
What percentage of the Sr-90 that was formed in the detonation of the first fission bombs in August 1945 is still present in the environment in August 2032?
What mass of H2O is required to form 1.3L of O2 at a temperature of 320K and a pressure of 0.957atm.
percent iron in a sample that is 70.0% iron (II) ammonium sulfate hexahydrate, Fe(NH4)2(SO4)2 x6H2O.
What is the minimum mass of oxygen, in grams, needed to burn 39.7 g C6H6O? Give your answer to three significant figures
At equilibrium 4.41e-02 mol of HCl is found in the reaction mixture. Calculate the equilibrium pressures of all gases in the reaction vessel and the value of KP for the reaction. Pick the correct statement from the multiple choices. Use the value ..
Predict the products of their eliminations, and explain the large difference in the ease of elimination.
The electron microscope has been widely used to obtain highly magnified images of biological and other types of materials
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