Solid calcium hydroxide is dissolved in water until the pH of the solution is 11.44. What is the hydroxide ion concentration [OH–] of the solution? Show work.

Q: Determine the Ksp of the following reactions. a. Nac,H;O, Na+ + C,H,O; b. HBr H + Br c. Zn(OH), Zn2…

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Q: Define ionization enthalpy and electron gain enthalpy?

A: Ionization enthalpy and electron gain enthalpy are defined as:

Q: 06. Calculate the standard change in enthalpy (AH°) for each re- action and tell whether the…

A: (a)-> N2(g) + 3H2(g) -----> 2NH3(g) (b)->Ca(OH)2(s) -----> CaO(s) + H2O(g) ->Answer…

Q: Determine the value of Kc for the following reaction at 100C:  2NO(g)+Br2 (g)  ⇌2 NOBr(g)

A: Kc is the equilibrium constant. it is calculated by using the formula given below,

Q: At 25 0 C, Keq  = 2. 2 x 10 – 3 for the reaction:          ICl   (g)     =    ½ I 2 (g)   +  ½ Cl 2…

A: Given: Keq for the reaction = 2. 2 x 10 – 3

Q: For each of the following statements, indicate whether it is true or false and offer a brief…

A: a. Generally, the pH value decreases with increase in temperature. So increasing temperature value…

Q: For the reaction that is run at 25°C, Kc= 2a10 N2(g) + O2(g) =2 NO(g) Whatlis the value of Kc for…

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Q: Which expression is correct? Select one: [HC1J? O a. K [Tia,JH,] O b. K. [Tia, f[H,] О с. К [Tia,H,]

A: In expression of Kc pure solid present with gases do not appear in the expression as their active…

Q: b. Calculate the value of the equilibrium constant for this reaction.

A: Given that,

Q: Calculate the standard enthalpy change for the reaction of an aqueous solution of barium hydroxide,…

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Q: following reaction occurs in basic solution:                F2 + H2O ® O2 + F- When the equation is…

A: 2 F2 + 2H2O ------------- O2 + 4F- + 4H+. Balanced equation

Q: Perchloric acid (HClO4) is a strong acid. What is the pH and pOH of a 5.91x 10-4M perchloric acid…

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Q: Calculate the AH for the following reaction: 2NOCL → N2 + O2 + Cl2 with the following reactions: ½…

A: To find: The ∆H for the given reaction

Q: 2) MnO, + Mn²+ + OH → MnO,(s)

A:

Q: What is the observable result of:   Cl + Ag AgCl(s) + 2NH3(aq) AgCl(s) + sunlight Br+AgNO3 AgBr(s) +…

A: As per the Q&A guidelines, I am answering the first three sub-parts of a question. If you want…

Q: Calculate [H+] in a 0.100M solution of nitrous acid, HNO2, for which Ka = 6.0 x 10-4

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Q: 20. Acid rain is precipitation having a pH that is A. above 7. B. below 5.5. C. below 7. D. above…

A: Answer is  B ) below 5.5

Q: Calculate the energy released for the consumption of 350mL of 6.5 M LIOH in the following…

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Q: Find the pOH of a 7.25 x 10 M HNO,

A: Given : concentration of HNO3 = 7.25 × 10-4 M  To calculate :-  pOH of the solution

Q: Calculate AH° for the reaction: CS21) + 202(g) → CO2(g) + 2SO2 AH;° CO2 (9) = -393.5 kJ/mol AH;° S02…

A: Calculate enthalpy of the reaction, CS2(l) + 2O2(g) -----> CO2(g) + 2SO2(g)  ∆H° = ?

Q: Which of the following is not standardized against KHP? Section а. NH3 b. NaOH с. Н.SO4

A: KHP ( Potassium hydrogen pthalate ) is acidic in nature , so it can be used to standardize basic…

Q: Calculate AH for the following reaction: N2 + 02 2NO AH=? ->

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Q: Complete the following table: Show work   [H3O^+] [OH^-] acidic, basic or neutral d 2.5 M…

A: To complete the above table we know a concept At 25*C  The ionization constant of water is Kw = [H+]…

Q: determine the standard heat of reaction for this reaction between aqueous sodium hydroxide and…

A: Given reaction is NaOH(aq) + HNO3(aq) ⟶ NaNO3(aq) +H2O(l) To find the standard heat of the above…

Q: LIOH) + CO2 (0) - Lİ:CO3 () + H2O (9)

A: Given-> LiOH(s) + CO2(g) ----> Li2CO3(s) + H2O(g) ->Value may be differ slightly because…

Q: Of following reactions, which one(s) would you expect to have a negative AS? Br Br + Br2 OH II CI…

A: Entropy is the measure of randomness or disorder. Entropy change for a given reaction is measured by…

Q: Calculate the pH and pOH of the following solutions : 1- 0.01 M HBr 2- 0.00005 M HBr 3- 0.00002 M…

A: "To get remaining sub-parts solved please repost the complete question and mention the sub-parts to…

Q: If the concentration of fluoride anion and aluminum cation was increased to 5 M, by how much would…

A: Each half-cell reaction (reduction-oxidation) occurs under certain potential the value obtained by…

Q: The value of Kj and K for hydrosulfuric acid are 1.00x107 and 1.00x10-19 , respectively. (Use H3O*…

A: The polyprotic acids undergo successive dissociation when gets dissolved in solutions. In the first…

Q: What is being done to address the problem of acid rain?

A: The emission of sulfur dioxide SO2 and nitrogen oxides NOx into the atmosphere results in the…

Q: Calculate the pOH of the following solutions at 25 degrees Celsius. 1 [H+] = 1.0 x 10^-7 M* 2 [H+]…

A: First of all we know that relation between pH and pOH is :         pH + pOH = 14  Or.     pOH = 14 -…

Q: grade 12 chem: Show all work, include units, keep work as precise as possible and only apply sig…

A: Interpretation -  To determine the pOH of the solution that has 1.5 mol of HF dissolved in 2.0 L of…

Q: 100 + 80- 60+ 40+ 20--- Reaction Coordinate Potential Energy (kcal)

A: Study the potential energy v/s reaction co-ordinate diagram carefully and examine the reactants and…

Q: Calculate AH for the reaction 4 NH3 (g) + 5 O2 (g) → 4 NO (g) + 6 H2O (g), from the following data:…

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Q: For the Reaction of Hydrochloric Acid & Sodium Carbonate, find (Delta)H, (Delta)S, and (Delta)G

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Q: Calculate the pOH of [H*]= 2.5 x 10-5 M. none 4.0 x 10-10 9.40 O 4.60 14.0

A: Given: Concentration of [ H+] = 2.5 ×10^-5. To find : pOH. Solution : As we know that, The pH of any…

Q: Calculate [H*] for an aqueous solution that contains [OH] = (8.80x10^-7) M.

A: 6. Given :- [OH-] = 8.80 × 10-7 M  To calculate :- [H+]  Note : Since you have posted multiple…

Q: Dilution is necessary for commercially available acids such as HNO3, H2SO4 etc so that the strength…

A: The to the following question is-

Q: What is the observable result of:   Cl + Ag  AgCl(s) + 2NH3(aq) AgCl(s) + sunlight Br+AgNO3…

A: Since you have posted a question with multiple subparts, we will solve the first three subparts for…

Q: Calculate the AH for the reaction: N2O4+ CO → N½O+ CO2

A: N2O4 (g) + 3CO (g)   ------>  N2O (g)  + 3CO2 (g) Enthalpies…

Q: Which of the following is/are NOT true for a solution at 25°C that has a hydroxide concentration of…

A: A multiple choice question based on general chemistry that is to be accomplished.

Q: calculate the pOH of [H=] = 2.5 x 10-5 m a. 9.40 b. 4.0 x10^-10 c. none  d. 14.0 e. 4.60

A: Given is, [H+] = 2.5 x 10-5 M

Q: What is the pH of a solution that has a [H3O+] of 7.2 x 10-3?  please show work to help me better…

A:

Q: Calculate the pOH of a 9.44 X 10-8 M Mg(OH)2 solution.  I need the work otherwise I wont understand…

A: Given: Concentration of the solution = 9.44×10-8M To find: pOH of the solution.

Q: prove that for the weak acid CH3COOH and its conjugate base CH3COO- then (Ka x Kp = Kw ).

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Q: Which of these conditions will result in the least stable Fe(OH)3 sol? Select one: а. Positive O b.…

A: Answer Metallic oxide, and metallic hydroxide,  Some dye used as…

Q: Calculate the AS° in J mol K-1 of the following reaction from the values in the table. 3 Fe(s) + 2…

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Q: Species AG° Fe(OH)3 -696.5 3+ -4.6 OH -157.3 Calculate the AG° of the reaction: Fe(OH)3(s) = Fe*(aq)…

A: Given values- ∆G° of Fe(OH)3=-696.5 ∆G° of Fe^3+=-4.6 ∆G° of OH^-=-157.3

Q: explain the cycle of acidic precipitation?

A: Acidic precipitation means, the acid in gaseous form released in air, reacts with the moisture in…