The blank is the energy difference between reactants and products in a chemical reaction

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

What is the ph of a 0.0010 m hno3? 1.0 3.0 4.0 5.0

Is 9 correct? and can someone me with 10? it’s due tomorrow, you