Week 15: Tuesday, May 16 - Thermchemistry
Based on the diagrams above, what is the difference between and ENDOthermic and an EXOthermic reaction?
Still looking at the energy graphs above, which type of reaction has more energy at the end of the reaction?
The graph has "Direction of Reaction" on the x axis. This means that:
reactants are changing into products
products are changing into reactants
List two exothermic reactions.
List an endothermic reaction or process.
Entropy is the amount of disorder in a system. When ice melts, what happens to the amount of entropy?
it increases because the water molecules are less ordered
it decreases because the process of melting is enothermic since the ice absorbs heat energy to melt
it stays the same because there are the same number of water molecules
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