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

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

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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: 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…