K910: Effect of Concentration and Temperature on Rates – Iodine Clock; K912: Effect of Concentration on Rate Bleach and Green Food Coloring; K918: Iodine Clock Class Activity; K925: Hot Packs vs ...

Goggles should be worn. Perform in a well-ventilated area or hood since toxic ketene gas and methane are produced. Handle the penny and wire carefully to avoid burns and so that it does not ignite the ...