AB + CD AD+CB
A: Complete the word equation then
B: Write the complete chemical reaction using formulas.
1) potassium carbonate reacts with nickel (II) chloride yields potassium chloride
K2CO3 + NiCl2 ---> 2KCI + NiCO3
2) ammonium nitrate reacts with copper (I) carbide yields
3) strontium hydroxide reacts with aluminum acetate yields
4) gallium (III) sulfate reacts with sodium oxide yields
5) barium nitride reacts with silver nitrate yields

You mix the pks of succinic acid are 4.21 and 5.64. how many gramsa graduate student at sdsu wants to measure the activity of a particular enzyme at ph 4.0. to buffer her reaction, she will use a buffer system based on one of the acids listed below, which acid is most appropriate for the experiment? of monosodium succinate (fw = 140 g/mol) and disodium succinate (fw = 162 g/mol) must be added to 1 l of water to produce a solution with a ph 5.28 and a total solute concentration of 100 mm? (assume the total volume remains 1 liter, answer in grams monosodium succinate, grams disodium succinate, respectively.) volumes of 0.05 m nah2po4 and 0.05 m na2hpo4 (pk's for phosphoric acid are 2.15, 6.82 and 12.38). which of the following best describes the resulting solution?

Which of the following signs of a chemical reaction are observed in the reaction of potassium with water? precipitate formed temperature change smell produced gas produced color change

Identify arrows pointing to bonding electrons. done h-0-0-h ) intro