JMU CHEM 132 Exam 4 Questions with
Guaranteed Pass Solutions Rated A+(2025-
2026) Update.
reduction _______ of electrons - Answer gain
oxidation ________ of electrons - Answer loss
oxidizing agent - Answer substance that undergoes reduction
reducing agent - Answer substance that undergoes oxidation
What is the oxidation number for elements in their elemental form? - Answer 0
What is the oxidation number for atoms in group 1A? - Answer +1
What is the oxidation number for atoms in group 2A? - Answer +2
What is the oxidation number for hydrogen with a nonmetal? - Answer +1
What is the oxidation number for hydrogen with metals or boron? - Answer -1
What is the oxidation number for oxygen in peroxides? - Answer -1
What is the oxidation number for for oxygen in all other compounds but O and F? - Answer -2
What is the oxidation number for fluorine? - Answer -1
What is the oxidation number for 7A? - Answer -1 in combinations with metals, nonmental,
and other halogen lower in the group
, How do you balance a redox reaction in acidic solution? - Answer -balance all atoms except O
and H
-balance O with water
-balance H with H+
-balance charge with e-
How do you balance a redox reaction in a basic solution? - Answer -balance all atoms except O
and H
-balance O with water
-balance H with H+
-balance H+ by adding OH- to both sides
-balance charge with e-
What is electrochemistry? - Answer conversion between chemical energy and electrical energy
How is electrochemistry done? - Answer through a electrochemical cell
What are the two types of electrochemical cells? - Answer -voltaic (galvanic) cell
-electrolytic cell
What characterizes a voltaic cell? - Answer -chemical to electrical energy
-spontaneous reaction
-∆°G <0 converted into electrical energy
-"E°" cell potential is always positive
What characterizes a electrolytic cell? - Answer -electrical energy to chemical energy
-nonspontaneous
-forcing to occur by using an outside source of energy
-∆G° (+), E°(-)
Define electrode - Answer solid surface at which the reaction takes place (conducts electricity
easily)
Guaranteed Pass Solutions Rated A+(2025-
2026) Update.
reduction _______ of electrons - Answer gain
oxidation ________ of electrons - Answer loss
oxidizing agent - Answer substance that undergoes reduction
reducing agent - Answer substance that undergoes oxidation
What is the oxidation number for elements in their elemental form? - Answer 0
What is the oxidation number for atoms in group 1A? - Answer +1
What is the oxidation number for atoms in group 2A? - Answer +2
What is the oxidation number for hydrogen with a nonmetal? - Answer +1
What is the oxidation number for hydrogen with metals or boron? - Answer -1
What is the oxidation number for oxygen in peroxides? - Answer -1
What is the oxidation number for for oxygen in all other compounds but O and F? - Answer -2
What is the oxidation number for fluorine? - Answer -1
What is the oxidation number for 7A? - Answer -1 in combinations with metals, nonmental,
and other halogen lower in the group
, How do you balance a redox reaction in acidic solution? - Answer -balance all atoms except O
and H
-balance O with water
-balance H with H+
-balance charge with e-
How do you balance a redox reaction in a basic solution? - Answer -balance all atoms except O
and H
-balance O with water
-balance H with H+
-balance H+ by adding OH- to both sides
-balance charge with e-
What is electrochemistry? - Answer conversion between chemical energy and electrical energy
How is electrochemistry done? - Answer through a electrochemical cell
What are the two types of electrochemical cells? - Answer -voltaic (galvanic) cell
-electrolytic cell
What characterizes a voltaic cell? - Answer -chemical to electrical energy
-spontaneous reaction
-∆°G <0 converted into electrical energy
-"E°" cell potential is always positive
What characterizes a electrolytic cell? - Answer -electrical energy to chemical energy
-nonspontaneous
-forcing to occur by using an outside source of energy
-∆G° (+), E°(-)
Define electrode - Answer solid surface at which the reaction takes place (conducts electricity
easily)
