Determine the effects of different substances such as road salt, calcium chloride, sand, kitty litter, calcium magnesium acetate and Safe Paw (a commercial eco-friendly product) on melting ice while p ...
Determine (a) which of the following chemicals, ammonium chloride, calcium chloride or sodium chloride would be best for lowering the temperature of water in a cold pack and (b) if the amount of the b ...
This science project explores endothermic reactions by comparing the temperature change that results from various chemicals added to water. How do cold packs work In chemistry, what happens during ...
Every chemical reaction that exists is one of two things: endothermic or exothermic. The Greek root thermmeans temperature or heat, which gives us a clue about all reactions: there is energy exchange! ...
On a fall night, you’ve probably seen fireflies glowing in the bushes. Fireflies use chemiluminescence, a very efficient process that converts energy to light. Light sticks use a similar process. Do y ...