Calculate either [h3o+] or [oh−] for each of the solutions at 25 °c. solution a: [oh−]=3.27×10−7 m solution a: [h3o+]= m solution b: [h3o+]=7.69×10−9 m solution b: [oh−]= m solution c: [h3o+]=0.000681 m solution c: [oh−]= m which of these solutions are basic at 25 °c? solution c: [h3o+]=0.000681 m solution a: [oh−]=3.27×10−7 m solution b: [h3o+]=7.69×10−9 m

Calculate the change in entropy if br2(l) is converted to br2(g). s° for br2(l) = 152.2 j/(mol•k) s° for br2(g) = 245.5 j/(mol•k) s° for br(g) = 175.0 j/(mol•k)

For each of the following compounds, write the formula then predict whether it would be a strong, weak, or non-electrolyte when placed in di water. for the ionic compounds only, put (s) or (aq) after the forrmula formula strong, weak or non electrolyte? a calcium hydroxide b. silver carbonate c. lead(ii) sulfate d. phosphorus trifluoride e. sodium phosphide f barium sulfate g. strontium acetate h. zinc nitrate

One way that radioactive waste is treated is by burying it in repositories. the repositories are found only in states with very low populations. true or false? a. trueb. false(also i meant to put high school but it put down middle school instead)