In CaF2, the oxidation number of Ca is , and that of F is . In H2SO4, the oxidation number of H is , that of S is , and that of O is . In CaSO4, the oxidation number of Ca is , that of S is , and that of O is . In HF, the oxidation number of H is , and that of F is .
and that of F is .
In H2SO4, the oxidation number of H is ,
that of S is , and that of
O is .
In CaSO4, the oxidation number of Ca is ,
that of S is , and that of
O is .
In HF, the oxidation number of H is ,
and that of F is .
In CO, the oxidation number of C is , and that of O is . In H2, the oxidation number of H is . In CH3OH, the oxidation number of C is , that of O is , and that of H is .
Describe how oxidation and reduction involve electrons, change oxidation numbers, and combine in oxidation-reduction reactions.
Oxidation is the loss of electrons, which increases oxidation number, while reduction is the gain of electrons, which decreases oxidation number. They occur together in oxidation-reduction reactions as electrons lost by one substance are gained by another.
What is oxidized and what is reduced in this reaction?Cu(s) + 2AgNO3(aq) → Cu(NO3)2(aq) + 2Ag(s)
What is oxidized and what is reduced in this reaction?N2H4(l) + 2H2O2(l) → N2(g) + 4H2O(g)
Which of these reactions are redox reactions? Check all that apply.
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The oxidation number of carbon changes from -1 to +4. The oxidation number of oxygen changes from 0 to -2. Carbon is oxidized. Oxygen is reduced. Electrons are transferred from carbon to oxygen.
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Which explanations did you include in your response? Check all that apply.
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