aye S (s) + 4Pb (s) 4PbS₂ (s) 2N₂ (g) + 50₂(g) → 2N₂O5 (8) 3Cr(NO₂)₂ (aq) + 2Al(s) → 3Cr(s) + 2Al(NO₂)₂(aq) redox reaction? yes reducing agent: oxidizing 0 agent: redox reaction? O yes reducing agent: oxidizing agent: 0 0 redox reaction? O yes reducing agent: no oxidizing 0 agent: no O no

When the following equation is balanced properly under acidic conditions, what are the coefficients of the species shown? NO, + Cl NO2 +| HCIO Water appears in the balanced equation as a (reactant, product, neither) with a coefficient of · (Enter 0 for neither.) Which element is oxidized?

Complete and balance the following redox equations using the smallest whole-number coefficients. The reaction takes place in a BASIC solution. CrO42–(aq) + Cu (s) → Cr(OH)3 (s) + Cu(OH)2 (s)     In the balanced equation, 3 molecules of water are present on the product side.     In the balanced equation, 3 molecules of water are present on the reagent side.     In the balanced equation, 4 OH- are present on the reagent side.     In the balanced equation, 4 OH- are present on the product side.     In the balanced equation, 5 molecules of water are present on the product side.     In the balanced equation, 5 molecules of water are present on the reagent side.

Consider the following balanced redox reaction:              16H+(aq) + 2MnO4-(aq) + 10Cl-(aq) →                                                                  2Mn2+(aq) + 5Cl2(g) + 8H2O(l) What species is the reducing agent? What species is the oxidizing agent?

Decide whether each chemical reaction in the table below is an oxidation-reduction ("redox") reaction. If the reaction is a redox reaction, write down the formula of the reducing agent and the formula of the oxidizing agent.

For the following reaction, determine the number of electrons transferred. If the reaction is not a redox reaction, please enter "0" for your answer. 3CuS(x) + SHNO, (aq) -CuSO (aq) +8NO(g) + 4H₂O(/) electrons

A displacement reaction is an oxidation-reduction reaction in which a free element reacts with a compound, displacing an element from it. This is an example of such reaction: Sn(s) + 2HCI(ag) → SnCla (aq) + H2 (9) b Give the formula of the oxidizing agent. Formula:

Is the reaction below an example of a REDOX reaction? 6 HF(aq} + Al(OH)3[5) + 3 NAOH(aq} → NagAIF¿(s) + 6 H2O[I}

educed. If it is not, select No and leave the following boxes blank. Express your answers as a chemical formulas. Omit st Sc(s) + 3Ag (ag) 3 Ag(s) + Sc+ (aq) a. Redox? Oxidizing Agent Reducing Agent Substance Oxidized Substance Reduced b. HI(g) + NH3 (9) → NH,I(s) Oxidizing Agent Redox? Reducing Agent Substance Oxidized Substance Reduced SiBr. (1) + 2H2 0(1) → 4HB1(aq) + SiO2 (s) с. Oxidizing Agent Redox? Reducing Agent Substance Oxidized Substance Reduced

Which of the following equations represents an oxidation-reduction reaction? A Ca(OH),(s) + H,SO4 (aq) → 2 H,0(1) + CaSO, (s) CaO(s) + H2O(1) → Ca(OH),(s) C Zn(s) + Cu(NO,), (aq) → Zn(NO,),(aq) + Cu(s) -> D AgNO, (aq) + NaCI(aq) AgCl(s) + NaNO3(aq)