Wo czy wil reg de ser ate tette mit TOTO umy za​

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

Can someone me with 3 and 4 plz. this is for masteries test.

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?