1
Rania is learning about corrosion prevention methods. She learns that electroplating is used to coat a metal with a thin layer of another metal. Which of the following is an example of electroplating?
2
Which process requires activation energy?
3
What is the heat of reaction?
4
Chloe is studying the system and surroundings. She knows that in an exothermic reaction, heat flows from the system to the surroundings. What is the sign of q (heat) for the system?
5
Which reaction needs continuous energy supply?
8
Laura is studying corrosion. She learns that corrosion is the deterioration of metals due to chemical reactions. Which of the following is the most common example of corrosion?