Electrochemistry - SCH4C Actual Exam Questions And Correct Detailed Answers.
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Course
AC HPAT
Institution
AC HPAT
electrochemistry - correct answer study of relationship between chemical reactions and movement of electrons or ions
3 areas of focus in electrochemistry - correct answer 1. chemical reactions that produc...
electrochemistry - correct answer study of relationship between chemical
reactions and movement of electrons or ions
3 areas of focus in electrochemistry - correct answer 1. chemical reactions that
produce a current
2. chemical reactions that need a current to occur ex. electroplating
3. controlling reactions that are spontaneous but undesirable (ex. corrosion)
during an electrochemical reaction - correct answer chemical energy is
converted into electrical energy
load - correct answer uses the flow of electrons to do some meaningful work,
ex. light a lightbulb
direct current (DC) - correct answer type of electricity created during an
electrochemical reaction; flows from negative to positive
DC appliances - correct answer flashlights, toys, portable music players
single displacement reactions - correct answer also known is electrochemical
reactions/REDOX
element that undergoes oxidation - correct answer loses electrons
element that undergoes reduction - correct answer gains electrons
oxidation state of oxygen - correct answer always -2 except as a peroxide,
where it is -1
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