Which of these reactions is a combustion reaction? 1. burning wood 2.decomposition of water 3. production of food by plants with the of the sun's energy 4.rotting of fruits and vegetables

Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.

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

Amixture with the same composition throughout is!