12. (3 pts) Combine half-reactions from the yellow page to write a balanced chemical equation for...
Study this chemical reaction: Cr+12 → Cr12 Then, write balanced half-reactions describing the oxidation and reduction that happen in this reaction. oxidation: reduction:
Write the balanced chemical equation for each of the reactions. Include phases. When aqueous sodium hydroxide is added to a solution containing lead(II) nitrate, a solid precipitate forms. equation: 2 NaOH + Pb(NO3)2 + Pb(OH), + 2NaNO, However, when additional aqueous hydroxide is added, the precipitate redissolves, forming a soluble (Pb(OH),12- (aq) complex ion. equation: Pb(OH), +20H (Pb(OH) 2 -
Name Classwork: Ch. 4 Chemical Reactions 1. Write the balanced ionic equation and net ijonic equation for the following molecular equation. 000H +bos be)os H + 8 2. Write the balanced molecular equation, ionie equation, and net ionic equation for the following reaction. Iron(III) sulfate is added to sodium sulfide to produce iron(II) sulfide and sodium sulfate. 3. Balance the following redox reaction, identify the oxidation states of each element, identify which elements are oxidized and which are reduced, write...
Page 6 of 12 BG5.3 Precipitation Reactions in Aqueous Solutions 4. Write a balanced total ion reaction occurred. Sin equations in all lanced total ionic equation for one cell in each row of the table. Pick a cell in which a ccurred. Since there were no reactions in two of the rows, you should write seven BG5.3 Precipitation Reactions in Aqueous Solutions Page 7 of 12 3. Write a balanced net ionic equation for one cell in each of the...
Study this chemical reaction: Then, write balanced half-reactions describing the oxidation and reduction that happen in this reaction. oxidation: reduction: 1つ
Write a balanced equation for the oxidation of benzoin to benzil. Sow the half reactions.
Study this chemical reaction: Ni+ 2Cl2 = NiCl4 Then, write balanced half-reactions describing the oxidation and reduction that happen in this reaction. Oxidation: Reduction:
(10 pts.) (10 pts.) (10 pts.) (10 pts.) 2. Balance the following redox reactions. In all cases, identify the oxidation states of elements, write the half-reactions and then combine the half-reactions to write the whole reaction. (a) PbO2) - Pb2+ + 0, (b) Fe2+ + MnO213) - Fe2+ + Mn2 (C) CH0(aq) + NO; + HCO; + N2 + CO2(g) 3. Soils in the rice paddies of Mekong delta have been continuously submerged and used for growing rice. These soils...
Study this chemical reaction: Cu+C2 CuCl2 Then, write balanced half-reactions describing the oxidation and reduction that happen in this reaction. oxidation: reduction:
Write a balanced chemical equation and a balanced net ionic equation for each of the reactions between the two chemicals: A) 0.1 M MgSO4 with 0.1 M NaC2H3O2 B) 0.1 M NH4Cl with 0.1 M Ca(NO3)2