Balance by the method of 1/2 reactions: b. O2 (aq) + H2O → OH(aq) + O2(g)
b. O lume + 40 -> OH's + Oxu b. 02 (aq) + H2O → OH(aq) + O2(g) TOCOLOJ5) ULL 5) Balance the following by the method of reactions:
C6H4(OH)2(aq) + H2O2(aq) ----> C6H4O2(aq) + 2 H2O(l) Given the entropies of the reactions below, calculate the entropy of the chemical explosion at 37 C. 2 H2O2 (aq) ------> 2H2O(l) +O2(g) = +0.4501 kj/mole*k C6H4((OH)2(aq) ------> C6H4O2(aq) + H2(g) = + 0.5033 kj/mole*k 2 H2(g) + O2(g) -----> 2 H2O (l) = -0.327.2 kj/mole*k
6) For the reaction 4 HBr(aq) + O2(g) = 2 Br2(aq) + 2 H2O(l), K. -6.7 x 1010. Use this information to calculate the equilibrium constant for each of the following reactions. a) 2 HBr(aq) + 12 O2(g) + Brz(aq) + H2O(1) b) 4 Br2(aq) + 4H2O(l) = 8 HBr(aq) + 2 O2(g)
Which of the following reactions is a redox reaction? (A) NH3(g) + H2O(l) NH4OH(aq) (B) 2 H2O(l) → H30* (aq) + OH- (aq) (C) Mg(OH)2(s) Mg* (aq) + 2 OH- (aq) (E) CO(g) + H2O(g) + CO2(g) + H2(g) (E) 3 HCl(aq) + Na3PO4(aq) H3PO4(aq) + 3 NaCl(aq)
Classify the half‑reactions as reduction half‑reactions or oxidation half‑reactions. H2(g)⟶2H+(aq)+2e−H2(g)⟶2H+(aq)+2e− 12O2(g)+2H+(aq)+2e−⟶H2O(g)12O2(g)+2H+(aq)+2e−⟶H2O(g) Cd(s)+2OH−(aq)⟶Cd(OH)2(s)+2e−Cd(s)+2OH−(aq)⟶Cd(OH)2(s)+2e− 2NiO(OH)(s)+2H2O(l)+2e−⟶2Ni(OH)2(s)+2OH−(aq)2NiO(OH)(s)+2H2O(l)+2e−⟶2Ni(OH)2(s)+2OH−(aq) Fe(s)⟶Fe2+(aq)+2e−Fe(s)⟶Fe2+(aq)+2e− oxidation reduction reduction oxidation reduction
5) Balance the following by the method of reactions: a. SO32- + MnO4 + H+ + SO42- + Mn2+ + H2O b. Oz (aq) + H2O → OH(aq) + O2(8)
1. Write down the equilibrium constant expressions for the following reactions: (a). 4 NO2(g) + O2(g) + 2 H2O(1) 44 HNO3(aq) (b). Zn(s) + Fe2+(aq) — Zn2+(aq) + Fe(s) H2O(1) (c). Mg(OH)2(s) — Mg2+(aq) + 2 OH (aq)
References] Balance each of the following oxidation-reduction reactions by using the oxidation states method. (Use the lowest possible coefficients for all reactions.) Cl2(g)+Ga(s)- Ga3 (aq) CI (aq) a. Ga3 (aq)+ CI (aq) Cl2(9) + Ga(s) O2(9)+ H2O(1)+Sn(s)Sn(OH)2(s) b. H2O (1) + O2(9) + Sn(OH)2 (s) Sn(s) H* (aq)MnO4(aq) +Cr2 (aq ) -Mn2 (aq) +Cr3+ (aq) +H2O(l) с. Cr (aq) H (aq) + MnO4 (aq) + Cr (aq) + Mn2+ (aq) + Н. О(1) 6 item attempts remaining Submit Answer Try...
37. Balance the following equations: a. PbO2(s) —>PbO(s) + O2(g) b. Fe(OH)3(s) —>Fe2O3(s) +H2O(s) C. (NH4)2CO3(s) —>NH3(g)+H20(g) + CO2(g) d. CaCl2(aq) + H2SO4(aq) — CaSO4(s) + HCl(aq) 761
Balance the following equations (stoichiometric reactions): C8H18 + 12.5 ( O2 + 3.76 N2 ) = CO2 + N2 + H2O C12H26 + 18.5 ( O2 + 3.76 N2 ) = CO2 + N2 + H2O C2H4 (OH)2 + O2 = CO2 + H2O 1. Balance the following equations (stoichiometrical reactions): a). C3H18 (8) + 12.5 (02 + 3.76 N2) (8) → CO2 (8) + N2 (9) + H2O (8). b). C12H26 (g) + 18.5 (02 +3.76 N2) (8) +...