3. (4 pts) Under slightly basic conditions, the manganate ion (MnO2) will disproportionate. In the box below, write...
151-Experiment 6-10 (4 pts) Circle the correct answers to complete the sentences below: 2. Mr MnO/ 2.1) When MnO acts as an oxidizing agent in an acidic medium, it becomes MnO), which is ( colorless / green / purple) 2.2) When MnO acts as an oxidizing agent in a very basic (pH> 14) medium, it becomes (Mn/ MnO, / MnO) , which is ( colorless /green / purple) (4 pts) Under slightly basic conditions, the manganate ion (MnO) will disproportionate....
5. (4 pts) Metabisulfite (S203) dissolves in water to form bisulfite (HSO3). In the box below, write a balanced net ionic equation to illustrate the oxidation half-reaction when bisulfite functions as a reducing agent in an acidic medium.
(4) (22 pts) Gold metal dissolves in aqua regia, which is a mixture of concentrated hydrochloric and concentrated nitric acids, but gold does not dissolve in either acid separately. (You may write net ionic equations in this problem.) (a) (6 pts) Write a balanced chemical equation for the reaction of gold and nitric acid to produce Au(aq) and nitric oxide. Calculate the standard emf (in V) for this reaction. Is this reaction spontaneous under standard conditions at 25°C? (b) (6...
(4) (22 pts) Gold metal dissolves in aqua regia, which is a mixture of concentrated hydrochloric and concentrated nitric acids, but gold does not dissolve in either acid separately. (You may write net ionic equations in this problem.) (a) (6 pts) Write a balanced chemical equation for the reaction of gold and nitric acid to produce Aut(aq) and nitric oxide. Calculate the standard emf (in V) for this reaction. Is this reaction spontaneous under standard conditions at 25°C? (b) (6...
Question 3 44 pts Given the reactants below: Write the products of the reaction, and indicate the physical state of each reactant and product. 2. Balance the Equation 3. Write the balanced complete ionic and netion 4. Strike out/highlight the spectator ions ic equations AI(NO3)3 ( ). + NaOH
1. (4 pts) Write the complete, balanced equations for the following metathesis reaction. Include the notations (s) and (a?) where appropriate. BaCl2 (aq) +KCo, (aq) ? a. molecular equation b. total ionic equation c. net ionic equation 2. (I pt) If a solution of AgNO, (ag) was mixed with a solution of Mg(NO) (ag) would a reaction be observed? Explain. 3. (I pt) If a solution of AgNO, (ag) was mixed with a solution of KCl (ae) would a reaction...
1. Write the balanced net ionic equation for the reaction between Al2(SO)(aq) and Hg(NO3)2 (aq). (4 pts) Ali , 100+ H IM. Tom > HaiSOA. HAIN
Question 2 44 pts Given the reactants below: 1. Write the products of the reaction, and Indicate the physical state of each reactant and product. 2. Balance the Equation 3. Write the balanced complete lonic and net lonic equations (with charges) 4. Strike out/highlight the spectator ions, K SO4 (aq) + BaCl2
44 pts Question 2 iven the reactants below: 1. Write the products of the reaction, and hdicate the physical state of each reactant and product. 2. Balance the Equation 3. Write the balanced complete lonic and net lonic equations (with charges). 4. Strike out/highlight the spectator lons K2SO4 (aq)+ BaCl2()
u. -4 3) Convert the following equations below to a net ionic equation and write it in the space provided. H2SO4 (aq.) + NaOH(aq.) → Na2SO4(aq.) + 2H2O(1) 4) Label the oxidation, reduction processes and oxidizing and reducing agents in the reaction given below a) Fe(s) + O2(g) → Fe2O3 (8)