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What are the market opportunities of expanding a daycare from one location to multiple locations?
the energy levels the electron can occupy in the h atom can be calculated using the energy level equation. calculate
Question- Assuming its concentration in air is 2.0 ppb, calculate the molar solubility of SO2 in raindrops whose pH is fixed (by the presence of strong acids) to be 4.0, 5.0, and 6.0.
Calculate the molar mass of the acid. After 11.7 mL of base had been added during the titration, the pH was determined to be 5.17. What is the Ka of the unknown acid
ethylene oxide polyol that has been generated from pentaerythritol with hexamethylene di-isocyanate, where the ratio of hydroxyl groups to isocyanate groups
Explain when heated, calcium carbonate decomposes to yield calcium oxide and carbon dioxide gas via the reaction CaCO3(s)?CaO(s)+CO2(g)
What is the purpose of washing the alkyl halide with aqueous sodium bicarbonate (NaHCO3)? Write the reactions that are expected to occur when the sodium bicarbonate is added to the test tube. Why is it important to add the sodium bicarbonate slowl..
Calculate the ratio of CH3NH2 to CH3NH3Cl required to create a buffer with pH = 10.10 [CH3NH2]/[CH3NH3CL] = ? I know that the answer is 0.34 but is not wright to write it in this way in mastering chemistry and they are errors in the submission
consider the following equalibrium: C2H6(g) + C5H12(g) CH4(g) + C6H14(g); Kp = 9.57 at 500K. Suppose 14.2 g each of CH4,C2H6,C5H12 and C6H14 are placed in a 25.0-l reaction vessel at 500 K. What is the value of Qp
Aluminum reacts with chlorine gas to form aluminum chloride via the following reaction: You are given 30.0 of aluminum and 35.0 of chlorine gas. Part A If you had excess chlorine, how many moles of of aluminum chloride could be produced from 30.0 ..
why is the presence of non-atomic species, such as metal oxides, detrimental to an analysis using atomic spectroscopy. which type(s) of atomizers can suffer from this effect and why.
Calculate the molarity of a hydrofluoric acid, HF, solution if 50.0 ml of the solution is neutralized by 18.5 mL of 0.400 M NaOH.
what is the pH of a solution made by mixing 30.00mL of .10M acetic acid with 40.00 mL 0f .10M KOH? Assume the volumes are additive and Ka=1.8*10^-5 for CH3CO2H
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