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10 Nov 2019
What element is being oxidized in the following redox reaction? C_3H_gO_2(aq) + K_2Cr_2O_7(aq) rightarrow C_3H_4O_4(aq) + Cr^+3(aq) A) C B) H C) O D) K E) Cr Balance the following redox reaction if it occurs in acidic solution. What are the coefficients in front of H^+ and Fe^3+ in the balanced reaction? Fe^2+(aq) + MnO4^-(aq) rightarrow Fe^3+(aq) + Mn^2+(aq) A)H^+ = 2, Fe^3+ = 3 B) H^+ = 8, Fe^3+ = 5 C) H^+ = 3, Fe^3+ = 2 D) H^+ = 5, Fe^3+ = 1 E) H^+ = 8, Fe^3+ = 1 Balance the following redox reaction if it occurs in basic solution. What are the coefficients in front of CIO_2 and H_2O in the balanced reaction? H_2O_2(I) + CIO_2(aq) rightarrow CIO_2^-(aq)+ O_2(8) A) CIO_2 = 1, H_2O = 1 B)CIO_2 = 1, H_2O = 2 C) CIO_2 = 4, H_2O = 3 D) CIO_2 = 4, H_2O = 2 E) CIO_2 = 2, H_2O = 2 In a voltaic cell, the anode is defined as A) a metal contact. B) the more positively charged electrode. C) the positive terminal of the power source. D) the more negatively charged electrode.
What element is being oxidized in the following redox reaction? C_3H_gO_2(aq) + K_2Cr_2O_7(aq) rightarrow C_3H_4O_4(aq) + Cr^+3(aq) A) C B) H C) O D) K E) Cr Balance the following redox reaction if it occurs in acidic solution. What are the coefficients in front of H^+ and Fe^3+ in the balanced reaction? Fe^2+(aq) + MnO4^-(aq) rightarrow Fe^3+(aq) + Mn^2+(aq) A)H^+ = 2, Fe^3+ = 3 B) H^+ = 8, Fe^3+ = 5 C) H^+ = 3, Fe^3+ = 2 D) H^+ = 5, Fe^3+ = 1 E) H^+ = 8, Fe^3+ = 1 Balance the following redox reaction if it occurs in basic solution. What are the coefficients in front of CIO_2 and H_2O in the balanced reaction? H_2O_2(I) + CIO_2(aq) rightarrow CIO_2^-(aq)+ O_2(8) A) CIO_2 = 1, H_2O = 1 B)CIO_2 = 1, H_2O = 2 C) CIO_2 = 4, H_2O = 3 D) CIO_2 = 4, H_2O = 2 E) CIO_2 = 2, H_2O = 2 In a voltaic cell, the anode is defined as A) a metal contact. B) the more positively charged electrode. C) the positive terminal of the power source. D) the more negatively charged electrode.
Hubert KochLv2
25 Apr 2019