: Given the following reaction: Na2S2O3 + AgBr NaBr + Na3[Ag(S2O3)2]a. How many moles of Na2S2O3 are needed to react completely with 42.7 g of AgBr? b. What is the mass of NaBr that will be produced from 42.7 g of AgBr?

Match the acid base pairs by arranging the acid name with the conjugate base formula. hydrogen carbonate hydrogen phosphate carbonic acid read water sulfuric acid phosphoric acid a. co32- b. hso4- c. hco3- d. po43- e. h2po4- f. oh-

According to periodic trend, which of the following most likely has the highest ionization energy? kr be ni sc

Consider the following reactions. (note: (s) = solid, (l) = liquid, and (g) = gas.) mg(s) + ½o2(g) → mgo(s) + 146 kcal/mole h2(g) + ½o2(g) → h2o(g), δh = -57.82 kcal/mole what type of reaction is represented by the previous two examples?