Homework Answers
Dichromate ion serve as an indicator wheather alcohol is oxidised or reduced because they exhibit colour change from orange to green if there is any oxidation. The colour change is due to change in oxidation from +6 to +3.
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Which ion serves as an indicator that allows you to identify whether an alcohol was oxidized...
Identify whether the reaction is a redox reaction. If it is, determine which species is oxidized...
Identify whether the reaction is a redox reaction. If it is, determine which species is oxidized and which is reduced. 2Fe^3+(aq) + 3S^2- (aq) rightarrow Fe_2S_3(s) 2FeCl_3(aq) + 3Co(s) rightarrow 2Fe(s) + 3CoCl_2(aq) 2NH_4Cl(aq) + F_2(g) rightarrow 2NH_4F(aq) + Cl_2(aq) H^+(aq) + OH^-(aq) rightarrow H_2O(I) 2HNO_3(aq) + Zn(s) rightarrow Zn(NO3)2(aq) + H_2(g) 2H_2O(I) + 2K(s) rightarrow 2KOH(aq) + H_2(g) 2.
a In the following reaction, identify which element is oxidized and which is reduced by assigning...
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;...
5. When an secondary alcohol is oxidized into a ketone, which a. gain of oxygen atoms...
5. When an secondary alcohol is oxidized into a ketone, which a. gain of oxygen atoms b. loss of oxygen atoms c. gain of hydrogen atoms d. loss of hydrogen atoms 5. When an secondary alcohol is oxidized into a ketone, which of the following is true? a. gain of oxygen atoms b. loss of oxygen atoms c. gain of hydrogen atoms d. loss of hydrogen atoms er found at the end of a carbon chain?
Identify which element is being reduced and oxidized in the following reaction. (For full credit, please...
Identify which element is being reduced and oxidized in the following reaction. (For full credit, please give the oxidation states of each clement or ion below.) 4 Fe (s) + 3 O_2(g) rightarrow 2Fe_2Q_3 (s)
In the batteries you created, identify the substance was oxidized and the substance that was reduced...
In the batteries you created, identify the substance was oxidized and the substance that was reduced (look at the net reaction given in the Background information above substance oxidized aluminum (type the symbol of the element and charge, if applicable) substance reduced (type the symbol of the element and charge, if applicable) Input element symbol, carat, and charge. For example: o2 would be 0*2- Na would be Na+ For the substance that was oxidized, the oxidation number changed fronm to...
EOC Problem 9.055 When oxidized, which alcohol produces the ketone shown below? CH3CH2CCHCH3 CH3 Edit Click if you...
EOC Problem 9.055 When oxidized, which alcohol produces the ketone shown below? CH3CH2CCHCH3 CH3 Edit Click if you would like to Show Work for this question: Open Show Work SHOW HINT LINK TO TEXT
Alcohol dehydrogenase detoxifies ethanol in two steps. First, ethanol is oxidized to acetaldehyde, which is coupled...
Alcohol dehydrogenase detoxifies ethanol in two steps. First, ethanol is oxidized to acetaldehyde, which is coupled with the reduction of NAD' to NADH. Second, acetaldehyde is oxidized to acetate, which process also produces an NADH molecule. Under anaerobic conditions, muscle cells needing extra energy couple the reduction of pyruvate to lactate with the oxidation of NADH to NAD*. The NAD is then shuttled to the anaerobic glycolysis reactions which produce a small amount of ATP. One common side effect of...
17. Which portion of photosynthetic plant leaves serves as a pore & actually allows for the...
17. Which portion of photosynthetic plant leaves serves as a pore & actually allows for the needed gaseous reactants to enter the plant? a. Mesophyll c. Stomata b. Tubers d. Xylem 18. True or False: All cellular organisms contain genetic material (DNA, RNA), ribosomes for protein synthesis, & complex fluid mosaic membrane. a. True b. False 19. What is the biological name for the 1 st step in cellular respiration, where a glucose molecule is split and 2 pyruvate molecules...
a and b please ? a) Identify which species is oxidized and which is reduced in...
a and b please
? a) Identify which species is oxidized and which is reduced in following reation . b) Balance the net ionic ervation. Supply Ho as needed, show how you balance the équation from two 1/2 rons. Mnout S0₂ MnO₂ + Sol + OH
3. In the following reactions, identify which of the elements are oxidized and which are reduced...
3. In the following reactions, identify which of the elements are oxidized and which are reduced and enter the name of the element on the line. (3 points for each equation, 9 points total) a. 2Ca(s) + O2(g) - Cal is oxidized is reduced b. MnO2 (aq) + 4 HBr(aq) -Bra(l) + MnBr2 (aq) + 2 H2O(0) is oxidized is reduced C. Cl2(g) +2 NaBr(ag) 2NaCl(aq) + Br2 () (Here Cl is chlorine) is oxidized is reduced
Identify whether the reaction is a redox reaction. If it is, determine which species is oxidized and which is reduced. 2Fe^3+(aq) + 3S^2- (aq) rightarrow Fe_2S_3(s) 2FeCl_3(aq) + 3Co(s) rightarrow 2Fe(s) + 3CoCl_2(aq) 2NH_4Cl(aq) + F_2(g) rightarrow 2NH_4F(aq) + Cl_2(aq) H^+(aq) + OH^-(aq) rightarrow H_2O(I) 2HNO_3(aq) + Zn(s) rightarrow Zn(NO3)2(aq) + H_2(g) 2H_2O(I) + 2K(s) rightarrow 2KOH(aq) + H_2(g) 2.
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;...
5. When an secondary alcohol is oxidized into a ketone, which a. gain of oxygen atoms b. loss of oxygen atoms c. gain of hydrogen atoms d. loss of hydrogen atoms 5. When an secondary alcohol is oxidized into a ketone, which of the following is true? a. gain of oxygen atoms b. loss of oxygen atoms c. gain of hydrogen atoms d. loss of hydrogen atoms er found at the end of a carbon chain?
Identify which element is being reduced and oxidized in the following reaction. (For full credit, please give the oxidation states of each clement or ion below.) 4 Fe (s) + 3 O_2(g) rightarrow 2Fe_2Q_3 (s)
In the batteries you created, identify the substance was oxidized and the substance that was reduced (look at the net reaction given in the Background information above substance oxidized aluminum (type the symbol of the element and charge, if applicable) substance reduced (type the symbol of the element and charge, if applicable) Input element symbol, carat, and charge. For example: o2 would be 0*2- Na would be Na+ For the substance that was oxidized, the oxidation number changed fronm to...
EOC Problem 9.055 When oxidized, which alcohol produces the ketone shown below? CH3CH2CCHCH3 CH3 Edit Click if you would like to Show Work for this question: Open Show Work SHOW HINT LINK TO TEXT
Alcohol dehydrogenase detoxifies ethanol in two steps. First, ethanol is oxidized to acetaldehyde, which is coupled with the reduction of NAD' to NADH. Second, acetaldehyde is oxidized to acetate, which process also produces an NADH molecule. Under anaerobic conditions, muscle cells needing extra energy couple the reduction of pyruvate to lactate with the oxidation of NADH to NAD*. The NAD is then shuttled to the anaerobic glycolysis reactions which produce a small amount of ATP. One common side effect of...
a and b please
? a) Identify which species is oxidized and which is reduced in following reation . b) Balance the net ionic ervation. Supply Ho as needed, show how you balance the équation from two 1/2 rons. Mnout S0₂ MnO₂ + Sol + OH
3. In the following reactions, identify which of the elements are oxidized and which are reduced and enter the name of the element on the line. (3 points for each equation, 9 points total) a. 2Ca(s) + O2(g) - Cal is oxidized is reduced b. MnO2 (aq) + 4 HBr(aq) -Bra(l) + MnBr2 (aq) + 2 H2O(0) is oxidized is reduced C. Cl2(g) +2 NaBr(ag) 2NaCl(aq) + Br2 () (Here Cl is chlorine) is oxidized is reduced
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