KNO3 → KNO2 + O2

For the reaction shown, identify the element oxidized, the element reduced, the oxidizing agent, and the reducing agent.

1. combine iron and copper (ii) sulfate solution. (hint: iron will form the iron (iii) ion) fe + cuso4 → 2. combine lead (ii) nitrate and potassium iodide solutions. pb(no3)2+ kl → 3. combine magnesium metal and hydrochloric acid solution. mg + hcl → 4. electrolysis (splitting) of water. h2o → 5. burning magnesium. mg + o2 →

Layers of rock containing fossils, like the layers illustrated here, are most likely composed of rocks.

Which of the following units is not an official si unit? mole liter kilogram ampere