In the reaction H 2O + CO 2 → H 2CO 3, which element was oxidized?
A. |
hydrogen |
|
B. |
carbon |
|
C. |
oxygen |
|
D. |
None of the elements were oxidized. |
Answer is D. None of the elements were oxidised
In both reactants and products, elements does not undergoing oxidation.
Hydrogen +1
Oxygen -2
Carbon +4
In the reaction H 2O + CO 2 → H 2CO 3, which element was oxidized?...
In the following reaction, which species is oxidized? 8NaI + 5H 2SO 4 ® 4I 2 + H 2S + 4Na 2SO 4 + 4H 2O A. oxygen B. sodium C. sulfur D. hydrogen E. iodine
For each reaction, identify the element that gets reduced and the element that gets oxidized. 2 AgCl + Zn +2 Ag + ZnCl, Identify the element that gets reduced. Identify the element that gets oxidized. O chlorine O zinc silver O chlorine silver zinc 4NH, +30, 2N, +6H,O Identify the element that gets reduced. Identify the element that gets oxidized. hydrogen O oxygen O nitrogen hydrogen oxygen nitrogen O Fe,0, +2 Al-A1,0, +2 Fe Identify the element that gets reduced....
For each reaction, identify the element that gets reduced and the element that gets oxidized. 2 AgCl + Zn -- 2 Ag + ZnCl, Identify the element that gets reduced. Identify the element that gets oxidize O silver O zinc chlorine Ochlorine O zinc O silver 4 NH, +30, 2N2 + 6H20 Identify the element that gets reduced. Identify the element that gets oxidized. O nitrogen oxygen hydrogen hydrogen oxygen nitrogen Feo, + 2 AL - ALO, + 2 Fe...
a In the following reaction, identify which element is oxidized and which is reduced by assigning oxidation numbers: Ba(s)S(s)BaS (s) barium is reduced; sulfur is reduced barium is reduced; sulfur is oxidized barium is oxidized; sulfur is oxidized barium is oxidized; sulfur is reduced Submit b In the following reaction, identify which element is oxidized and which is reduced by assigning oxidation number 2Sr(s)02(g)> 2SrO(s) strontium is reduced; oxygen is reduced strontium is oxidized; oxygen is reduced strontium is oxidized;...
2C +02 2Pb + O2 → 2CO) → 2P50) Eqs. 7.1 reactants products CH, + 2O + co, + 2H2O methane oxygen water C: carbon dioxide C: H: 2 x 2 O: 2 + 2 H: 4 4 1 = 4 = 4 O: 2 x 2 = Figure 7.4. A balanced chemical reaction with stoichiometric conventions noted. Question 7.4. Balance the following chemical reactions: a) CH4 +_2_02 _CO2 + 2 H20 b) CH-OH + 02 → CO2 + H2O...
can someone explains this to me?
H2O+C HA+CO In this reaction:(choose one: oxidized, no change, reduced) Carbon is Oxygen is Hydrogen is The oxidation number of carbon before after? If the product carbon monoxide (CO) is oxidized to carbon dioxide, what is the oxidation number for the carbon in carbon dioxide?
In the following chemical reaction, which element is reduced? Cr20-2- + H+ + 1 = Cr3+ + 12 + H20 OA) iodine B) chromium C) hydrogen D) oxygen
Faraday’s Law 1. Hydrogen fuel cells are based on the reaction of hydrogen and oxygen to form water: 2H 2 (g) + O 2 (g) ? 2H 2O (l) In the presence of excess oxygen, a hydrogen fuel cell consumes 0.370 grams of hydrogen per hour at 25°C. Calculate the maximum current that can be produced by this fuel cell. 2. Aluminum is produced by the electrolytic reduction of alumina, Al 2O 3. The overall cell reaction can be written...
6. Magnesium reacts with oxygen to produce magnesium oxide. (a) Which element is oxidized? Which element is reduced? (b) What is the oxidizing agent? Which reactant is the reducing agent? (c) What is the number of electrons exchanged in this reaction?
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