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Working on a lab report and need to answer the question: why would any insoluble hydroxide tend to dissolve in acidic solution?
Cryolite, Na3AlF6(s), an ore used in the production of aluminum, can be synthesized using aluminum oxide. Balance the equation.
Calculate the molar mass of X. 2.Identify the element symbol for X F2+2XBr -----> Br2+2XF
a 55.0g piece of copper wire is heated, and the temperature of the wire changes from 19.0C to 86.0C. The amount of heat absorbed is 1.4 kilojoules. What is the specific heat of copper?
Calculate the pH of 0.103 M phosphoric acid (H3PO4, a triprotic acid). Ka1 = 7.5 x 10^-3, Ka2 = 6.2 x 10^-8, and Ka3 = 4.8 x 10^-13.
We have learned that valence bond theory helps us to predict s and p bonding in molecules. All of the following statements about molecular bonding are true, but which statement best summarizes the most basic premise for bonding in a molecule?
Write the balanced formula unit equation for the reaction of hydrobromic acid with magnesium hydroxide. What is the sum of the coefficients?
A total of 2.00 moles of a compound is allowed to react in a foam coffee cup that contains 127g of water. The reaction caused the temperature of the water to rise from 21.0 to 24.7 celcius .
An aqueous solution contains 0.455 M dimethylamine ((CH3)2NH) How many mL of 0.385 M perchloric acid would have to be added to 150 mL of this solution in order to prepare a buffer with a pH of 10.800.
In May 1990 the French TGV train traveled the distance from Paris to Lille, France (127 miles) in .819 hours. What was the speed of the TGV in m/s?
Draw the two possible products of the reaction between benzaldehyde and methylethylketone.
What was the molar solubility of CaCO3 in this solution (Kb1(CO32-) = 1.8 × 10-4)
which portion of the titration curve are you in to reach pH = 7? Show your calculations to prove that dilution of 10,000 gal aniline requires 0.58 gal of this acid.
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