13. Chemical Energetics Flashcards

1
Q

What is the process of exothermic?

A
  1. Reactions give out thermal energy to surroundings
  2. Temperature of reaction mixture will increase
  3. container will feel warm
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2
Q

What is the process of endothermic?

A
  1. Reactions absorb thermal energy from surrounding
  2. Temperature of the reaction mixture will decrease
  3. container will feel cool
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3
Q

Does the curve goes up or down for exothermic reaction?

A

goes up

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4
Q

How to determine if reaction has stopped or not from the graph?

A

the maximum or minimum point of the graph

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5
Q

Examples for endothermic reaction?

A
  1. Thermal decomposition
  2. Photosynthesis
  3. Evaporation
  4. Boiling
  5. Melting
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6
Q

Examples of exothermic reaction?

A
  1. Neutralisation
  2. Combustion
  3. Respiration
  4. Freezing
  5. Condensation
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