Redox Reactions
A reaction involving the transfer of electrons between two species
What is a redox reaction?
The first step in balancing a redox reaction?
What is Assign oxidation numbers
The process in which an atom, ion, or molecule loses electrons.
What is oxidation?
The oxidation state of Cl in NaCl
What is -1
The two types of electrochemical cells.
What is voltaic and electrolytic?
The two components of a redox reaction
What is oxidation (the loss of electrons) and reduction (the gain of electrons)
We add ______ to each side of the half reaction to ________.
What is electrons?
What is balance the charges?
The element that is gaining electrons is being _______.
What is reduced?
The oxidation state of Cu in CuCl2.
What is +2?
The reaction that occurs at the anode.
What is oxidation?
In the reaction between zinc and copper sulfate, ______ is reduced.
What is (Cu²⁺)?
The oxidizing agent in Si + 2F2 --> SiF4
What is Fluorine?
The substance that donates electrons to another substance, thereby reducing it.
What is reducing agent?
The oxidation number of sulfur in H2SO4
What is +6?
The purpose of a salt bridge.
What is, allow the flow of ions to neutralize solutions
The oxidation state of an atom __________during reduction?
What is decreases (it gains electrons)?
The number of moles of electrons that are gained when 5.0 moles of electrons are lost
What is 5 moles?
The effect on an element's charge after being oxidized
What is increases due to loss of electrons
The rule for assigning oxidation numbers to elements in their elemental form.
What is free elements and diatomic molecules have an oxidation state of 0
The direction of the flow of electrons between Sn and Al
A process that requires energy for a non spontaneous redox reaction to occur.
What is electrolysis or electroplating?
The number of electrons lost when a reaction happens between Zn and CuCl2
What is 2?
The metal that is most likely to be oxidized
What is lithium?
The oxidation state of Fe in Fe2O3.
What is +3?
The energy conversion that occurs in a voltaic cell
What is chemical to electrical?