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How do I draw the Lewis dot structure and show the brackets and their charge on LDS for ions,for Aluminium io, Fluoride ion, Hydrogen ion, Chloride ion, Silver ion, Silicon ion, Sulfide ion, Cesium ion, Gallium ion, oxide ion, Potassium ion, Carbide ion, Bromide ion, Zinc ion, Barium ion.
Consider barium hydroxide, Ba(OH)2, a white powdery substance. Student A prepares a solution of Ba(OH)2 by dissolving 4.23 g of Ba(OH)2 in enough water to make 455 ml of solution.
which of the following would have the lowest freezing point?a. 1 m cano3b. 0.1 m kno3c. 0.1 m hcld. 0.1 m sucrosee. 0.2
explain how le chateliers principle affects the extent of the dissociation of acetic acid in a buffer that is 0.10 m
A buffered solution is made by adding 50.0 g NH4Cl to 1.00 L of a 0.75 M solution of NH3. Calculate the pH of the final solution. (Assume no volume change.)
The next three (3) problems deal with the titration of 461 mL of 0.501 M carbonic acid (H2CO3) (Ka1 = 4.3 x 10-7, Ka2 = 5.6 x 10-11) with 1.1 M NaOH. What is the pH of the solution at the 2nd equivalence point
consider the normal freezing point of water. what are the signspositive or negative of deltas and deltah for the
2 solution are mixed: 100 ml of 0.0020 M HBr(aq) with 100.00 ml of 0.0015 M Ca(OH)2(aq). What is the pH of the resulting solution
A piston has an external pressure of 8.00 atm. How much work has been done if the cylinder goes from a volume of 0.170 liters to 0.530 liters.
Consider a Hydrogen atom with the electron in the n = 6 shell. What is the energy of this system? (The magnitude of the ground state energy of the Hydrogen atom is 13.6 eV.)
you have 100 mL graduated cylinder containing 50 mL of water. you drop a 154 g piece of brass (d= 8.56 g/cm3) into the water. how high does the water rise in the graduated cylinder?
What is the pH and the [OH-] of the solutions with the following [H3O+]? a) 2.3 x10-4 , b) 4.8 x10-8, c) 6.3 x10-2
What does the structure of isopinocampheol (the product of a hydroboration-oxidation reaction of (1R)-(+)-alpha-Pinene) indicate about the mechanism of the reaction in terms of regioselectivity and stereoselectivity
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