23. Which substance below exhibits the weakest IMFS? H2O CO2 H2CO SiO2

Q: What is the approximate concentration of free Al3+ ion at equilibrium when 1.54x102 mol aluminum…

A:

Q: Which of the following is the best Lewis diagram for CH₂O?

A: Lewis’s bonding theory is based on the octet rule. The Lewis structure is a simplified…

Q: Which of the following react with ammonia to form a black precipitate?     AgCl     PbCl2…

A: Here the following is Hg2Cl2 which will give black precipitate with ammonia.

Q: Set the followong concentrations: [Fe3+ ] = 0.0 M [SCN-] = 0.0 M [FeSCN2+] = 0.0040

A: Equilibrium constant - characteristic of a particular chemical reaction at a specific temperature…

Q: juilibrium concentrations and K. [Fe*Jeq, M Solution [SCN Joq, M [FESCNI, M Ko 0.0010 0.0010 0.00021…

A: Since you have not mentioned the reaction, I'm taking the general complex formation reaction as per…

Q: 2 Ti2 + + Sn4 + ↔ 2 Ti3 + + Sn2 + reaction Calculate the equilibrium constant. Sn4 + + 2e- ↔ Sn2 +…

A: In given question for calculate equilibrium constant firstly calculate reaction potential of…

Q: Calculate the Ksp for Cd(OH)2 Ca(OH)₂(s) + 2 e¯ Cd²+ (aq) + 2 e- 5.29 x 1013 1.92 x 10-14 2.47 x…

A:

Q: What colour would be observed when iron(1I1) chloride is added to the following equilibrium…

A:

Q: Carbon monoxide is toxic because it bonds much more strongly to the iron in hemoglobin (Hgb) than…

A:

Q: What [Ag+] (in M) is required to reduce the [CrO42] in a solution to 8.1× 10-4 M by precipitation of…

A: The objective of the question is to find the concentration of Ag+ ions required to reduce the…

Q: Which of the following compounds is reducing agent only: a. C12; O b. HCl; c. KCIO; d. KCIO3

A:

Q: Which is the faster reaction and why? 11 Br Br NaSH NaSH SH SH

A: NaSH s weak base and strong nucleophile.

Q: The [IO-3] in a saturated solution of Ce(IO3)3 is 5.86 × 10–3 M. Calculate the Ksp for Ce(IO3)3 .

A:

Q: Gibbs Free Energy for Nonspontaneous Reactions and Reactions at Equilibrium Consider the given…

A: Ellingham diagram is graph of standard free energy change versus temperature.  More is the negative…

Q: None

A: Step 1: [Fe3+] = 0.0 M This represents the concentration of iron(III) ions.[SCN-] = 0.0 M This…

Q: 12. What are the products of the reaction? Bra 3 e OMe E2 SB

A: We have to predict the correct product.

Q: 4. What is the equilibrium constant for the reaction NO2(g) N204(g)? А. [NO2] [N204] В. [NO2]2…

A: The balanced reaction is – 2NO2 g⇔N2O4g

Q: Write a balanced chemical equation showing how each of the following metal oxides is dissolved by…

A: The balanced chemical equation can be defined as the reaction having an equal number of atoms…

Q: The Ksp of CaF2 is 1.6 x 10 What is the concentration of F- in solution?

A: Ksp = 1.6 × 10-6

Q: 2.7 x 10-3

A: Actually of La3+ means concentration at La3+ (effective) now as La(IO3)3 and La(NO3)3 both contain…

Q: 2 Ti2+ + Sn4+ ↔ 2 Ti3+ + Sn2+ reaction Calculate the equilibrium constant. Sn4+ + 2e- ↔ Sn2+…

A: In electrochemistry, electrode potential is the electromotive force of a galvanic cell built from a…

Q: based on the following data, indicate which of the following oxidants is the strongest: a) Tl3 + +…

A: To solve this problem we will use the given standard reduction potential of given elements. Since we…

Q: All the following salts are alkaline except   LiClO   NH4NO3   SrCrO4   K2HPO4

A: Salts can be acidic, basic or neutral. The salts of strong acid and strong base are neutral. The…

Q: 17. What is the type of the following reaction? 2HgO) 2Hgm + O2(2) The answer is

A: When a compound breaks in two or more smaller substances then such reactions are called…

Q: List the (i) metal oxidation state, (ii) d-electron count, and (iii) total electron count for each…

A: Here we will use neutral method to calculate total electron count in the molecule. We have to…

Q: Calculate the activity of 103 in a saturated solution of La(103)3 with 0.15 M AI(NO3)3. 11

A: The objective of this question is to calculate the activity of IO3 in the solution required to…

Q: Calculate the concentration of Ni(H2O)* ions at equilibrium in the solution formed.

A:

Q: rongest oxidizing agent under acidic conditions? Group of answer choices

A: The oxidizing agent is that reagent which can oxidize other molecule but reduce itself. They are…

Q: Which of the following complexes has the highest magnitude and more positive standard reduction…

A: A question based on coordination complex that is to be accomplished.

Q: It is found that up to 0.0110 g of SrF, dissolves in 100 mL of aqueous solution at a certain…

A: Given Data:Amount of SrF2 = 0.0110 gVolume of solution = 100 mLTo determine:Ksp of  SrF2

Q: How many moles of CaF2 will dissolve in 3.0 liters of 0.066 M NaF solution? (K,, for CaF, = 4.0 x 10…

A: Given data,Molarity of NaF=0.066MVolume=3.0LKsp of CaF2=4.0×10-11

Q: A solution contains 2.2 × 10-3 M in Cu2+ and 0.33 M in LiCN. If the K+ for Cu(CN)4²- is 1.0 × 1025,…

A: Initial concentration of Cu2+ = 2.2 × 10-3 MInitial concentration of LiCN = 0.33 MFormation…

Q: What is the oxidation number of manganeae in the KMN04 O a +4 Ob +2 +5 Od +7

A:

Q: For the following, complete the equilibria, then state whether reactants or products are favored.…

A:

Q: 9. What is Kc for: 2Cu(s) + O2(g)= 2CUO(s)? Given the following equilibrium and Kc's* 4Cu(s) + O2(g)…

A:

Q: O2 (g) + 4H+(aq) + 4e- ⇌ 2 H2O (l) E10 = +1.23 V • Cu2+(aq) + 2 e- ⇌ Cu(s) E20 = +0.34 V • The…

A: Standard electron potential calculations using half cell reactions :

Q: АСTIVITY: 1. Write the equilibrium constant for the following reactions: a. 3NO + N2Og + NO2 b.…

A: The reactants are reacted in order to form the products, this can be written in the form of a…

Q: Write the expected stoichometric ratio of reactants for each reaction: 1) Cu(NO3)2 reacting with…

A: A balanced chemical reaction is necessary so as to make the number of atoms of each element on both…

Q: FESCN2*(aq) Fe*(aq) + SCN"(aq) pale yellow colorless red Effect on Effect on FESCN2+ Shift in Effect…

A: According to Le-Chatelier's principle, when a chemical reaction in equilibrium undergoes a change,…

Q: 2 Ti2+ + Sn4+ ↔ 2 Ti3+ + Sn2+  Calculate the equilibrium constant of the reaction. Sn4+ + 2e- ↔…

A: The E° of a cell is an intensive property and are not additive, while the Gibb's free energy is…

Q: Use the data to the right for the next few questions: FeSCN+2 (Red) —> Fe+3 (Yellow) + SCN-1…

A: The major application of Le Chatelier principle is towards predicting the effect of change in…

Q: Brown 2NO2(g) N204(g) Colorless Stress Shift in equilibrium Effect on 2NO2 Effect on N204 Effect on…

A: According to le Chatelier's principal: Hot H2O means increase in temperature, so increase in…

Q: Bismuth forms an ion with the formula Bi53+. Arsenic andfluorine form a complex ion [AsF6]-, with…

A: Given information: Bismuth forms an ion with the formula Bi53+ Arsenic and fluorine form a complex…