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Q: 1. Briefly describe or define and give an example of d. autoprotolysis e. a strong acid f. Le…
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Q: MasteringChemistry: CHE154 S X This Mac can't connect to iCloud b a problem with "ayanaboo10@gma A…
A: Methylammonium chloride dissociates into quaternary ammonium ion (CH3NH3+) and chloride ions (Cl-).…
Q: What is the pH of the methylammonium iodide solution? CH3NH3 + H₂O CH3NH₂ + H3O+ [CH3NH31] = 2.5 ×…
A: Given : [CH3NH3I] = 2.5 x 10-1 M Kb of CH3NH2 = 4.4 x 10-4
Q: Given: H2SO3(g) → H2O (g) + SO2 (g) Keq = 100 What will…
A: First reaction with Keq equation – H2SO3 g →H2O g + SO2 gKeq = H2OSO2H2SO3100 = H2OSO2H2SO3
Q: Jh20(1) + Jh2O(0) = Jh3O*(haq) + OJh"(haq), vhere the "(haq)" state subscript means "dissolved in…
A: treat above molecule like H2O. this is reaction just like H2O + H2O = H3O + OH- and as in case of…
Q: D9. Calculate the concentrations of free Ca2+ in a solution of 0.10 M CaY2- at pH 10.00 and at pH…
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Q: : Determine the pH of a .25 M CH3NH3Cl solution (Ka for CH3NH3+ = 2.3*10^-11)(Show the dissociation…
A: To Calculate pH , we would need to draw an ICE table and calculate concentration of H3O+. From this…
Q: Question: calculate the pH of 50.0 mL H20 + 1.00 mL 0.6 M NaOH (below is the data to answer the…
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Q: B00 34.62 mL of 0.1510m Na OH was needed to n eutralize 50.0mL Of ean H 2504 solwtiona what is the…
A: Given that , Volume of NaOH (V1) = 34.62 mL Concentration of NaOH (M1) = 0.1510 M Volume of H2SO4…
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A: Acidic Buffer :- A mixture of weak acid and its salt with strong base is called acidic buffer…
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Q: What is the pH of a 0.30 M pyridine solution that has a Kb = 1.9 x 10-9? The equation for the…
A: The relation between pH and pOH is given by, pH + pOH =14 Kb is the base dissociation constant. The…
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A: The pH is used to determine the acidity or alkalinity of a solution. The pH is given as the negative…
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A: Basicity of acid :- The number of moles of H+ ions provided by the dissociation of one of an acid…
Q: Which of the following represents the most acidic solution? How do you know? Explain in a separate…
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Q: a. Balance the following reaction under acidic conditions. H2O2(aq) + Sn²*(aq) → H2O(1) + Sn*(aq)
A: to balance in acidic medium
Q: 24. Choose the INCORRECT statement regarding acid strengths. b. HCIO3 > HCIO2 d. H2S > HS'- c. HCIO3…
A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…
Q: What will be the pH of a solution created from a 10-fold dilution of a 0.50 M HNO3 solution? -0.30…
A: The initial concentration of the nitric acid solution is = 0.50 M The pH of 10-fold dilution of a…
Q: Balance half-rxns in base: red: 2e + H,0 + ClO → Cl- + 20H- 10 OH + S,0,2-→ 2SO,²- + 5H,0 + 8e ox:
A: Answer: B. 2 Balanced half reaction is, 4 ClO- + S2O32- + 2 OH- ----> 4 Cl-…
Q: What volume of cach of the following bases will react completely with 20.00 mL of 0.190 M HCI? a…
A: Given : Concentration of HCl = 0.190 M And volume of HCl solution = 20.00 mL
Q: What is the pH of the original 1.0 M pyridine solution? Kb = 1.8 x 10-9 pH of 1.0 M B = [?] Initial…
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Q: a. NiO2 + 2 H2O + Fe→Ni (OH)2 + Fe(OH)2 in basic solution b. CO2 + 2 NH2OH→CO + N2 + 3 H20 in basic…
A: NiO2 + 2H2O →Ni(OH)2 + 2OH- Fe + 2OH- → Fe (OH) 2 On combining both the reactions, OH- will be…
Q: You have a 0.10 M aqueous NH3 solution. Calculate a) the number of moles and b) the number of grams…
A: Answer: To solve this question, NH4+ ion can be considered as acid and NH3 will become its conjugate…
Q: 90. Consider the dissociation of a weak acid HA (K, = 4.5 × 10-³) in water: HA(aq) =H*(aq) + A¯(aq)…
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Q: Calculate the pH of a solution consisting of 1.35M acetic acid (CH3COOH) (pKa= 1.8 x 10-5) and 2.83…
A: Given, Concentration of acetic acid [CH3COOH]=1.35M Concentration of sodium acetate[CH3COONa]=…
Q: Using the reaction below, predict the effects on sulfuric acid concentration (increase/decrease) if…
A: According to Le-Chatelier's principle, if the reaction at equilibrium is disturbed, then the…
Q: MasteringChemistry…
A: Hi there, as there are multiple questions posted. We are answering the first question(question…
Q: 7.30 다음 일련의 반응들의 생성물을 적어라. 어떻게 다양한 작용기들 사이에서 조합된 반응을 '네비 게이트'할 수 있는지 여러분의 로드맵을 참고하여라. 예를 들어, 아래의…
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Q: MasteringChemistry: CHE154 S X -> session.masteringchemistry.co This Mac can't connect to iCloud…
A: Given, Molarity of pyridine = 3.0M Kb = 1.7*10-9
Q: Quiven below some options final the a butter Solution Contamining 0.74 mollL ammonuim chloride…
A: Buffer is solution which have tendency to resist pH change on addition of small amount of either…
Q: Identify the acid in the following acid-base reaction. PBCO3(s) + H2SO4(aq) → PbSO4(s) + CO2(g) +…
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Q: D. The solution is negatively- charged 29. Select the CORRECT statement regarding the ionic product…
A: A multiple choice question based on equilibrium concept that is to be accomplished.
Q: Calculate the fraction of the weak acid in each of its forms at pH 6.22. CHA Incorrect dA- =…
A: Fraction of dissociated and undissociated form of acid can be calculated using Henderson-Hasselbalch…
Q: Hydrazine N2H4can interact with water in two stepsN2H4(aq) + H2O (l) ↔N2H5+(aq) + OH-(aq) Kb1= 8.5 x…
A: Interaction of N2H4 with water: N2H4aq + H2Ol ↔ N2H5+aq + OH-aq Kb=8.5×10-7 N2H5+aq+ H2Ol…
Q: Which of the following species is amphiprotic in aqueous solution? a. NO2- b. NH4+ c. HS-…
A: The species which is amphiprotic in aqueous solution has to be given.
Q: tic acid. 16.54 A 0.100M solution of bromoacetic acid (BrCH2COOH) is 13.2% ionized. Calculate [H*],…
A: The initial concentration of bromoacetic acid (BrCH2COOH) is 0.100 M or (mol/L). The percent…
Q: You have 0.600 L of an 0.3 acetate buffer solution (i.e. [HC₂H3O2] + [C₂H30₂] = 0.300 M) at pH 5.30.…
A: Given: Volume of acetate buffer = 0.600 LMolarity of acetate buffer = 0.300 MHC2H3O2+C2H3O2- = 0.3…
Q: Calculate the pH of a weak acid which dissociates as AH ⇌ A- + H+ ( like CH3COOH ⇌ CH3COO- + H+…
A: Given, Ka of the ewak acid is 5.86×10-7 Initial concentration of [AH]0 is 0.11 M The balanced…
Q: How would you prepare 1.00 L of a buffer solution at pH 6.00 from 0.500 M Na3AsO4 and 0.400 M HCl?
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Q: Determine the OH 1 of a solution that is 0.135 M in Cos For carbonic acid (H2CO3), Kal=4.3 x 10-and…
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Q: A solution was found to have a pOH of 13.11 at 25 °C. What is the concentration of H+? a. 0.13 M Ob.…
A: We know that ; pH + pOH = 14 pH = - log [H+] [H+] = 10-PH By using this relation we can calculate…
Q: Calculate the pOH after addition of 15.76 mL of 0.1386 M CsOH to 25.00 mL of 0.1399 M CH3CH2CO2H.…
A: Propionic acid is weak organic acid that undergoes partial dissociation in water to form some amount…
Q: 15.0 mL of H2SO4 was neutralized with 35.0 mL of 0.25 M NaOH. a. Write a balanced equation for this…
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Q: 3MasteringChemistry: CHE154 S X session.masteringchemistry.com/myct/itemView?assignmentProb CHE154…
A: Calculation of pH of 1.6 M HCHO2: ICE table is given by, [HCOOH] (M) [HCOO-] (M) [H+]…
Q: A solution has (HO') =56-10-5 M Use the lon product constant of water to find the [OH of the…
A: Given :- b) [H3O+] = 5.6 × 10-5 M c) [OH-] = 1.5 × 10-2 M To calculate :- [OH-] in part b…
Q: HCN is a monoprotic weak acid with a K, value of 4.90 x 10-10. Calculate the pH of a 6.50 x 10-6 M…
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Q: In a basic solution at 25°C, Oa. [H3O+]> [OH]. O b. [H3O+][OH-] 1.0 × 10-7. O d. [OH-]> 1.0 × 10-7.…
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Q: A0.350 M NAOH solution was added gradually to 20.0 mL of a 0.350 M weak acid solution. The pH was…
A: To determine the identity of acid , we would determine pKa value of weak acid from given data.
Q: Benzalkonium Chloride (E=0.16) =1.5g Distilled water qs 0.9% NaCl solution ad =100 mL Make isoton.…
A: An isotonic solution is one whose osmotic pressure is same as that of cells or blood. It is 0.9%…
The reaction between a strong acid and a strong base result in the formation of neutral salt.
A salt of a strong acid and weak base can produce an acidic solution.
A salt of a strong base and weak acid can produce a basic solution.
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- Thank you, I just dont understand what steps were taken here Qcandy=465kJ×1kcal4.2kJQcandy=4654.2kcalQcandy=110.7kcalFrom the following reaction and data, find (a) S o of SOCl2 (b) T at which the reaction becomes nonspontaneous SO3(g) + SCl2(l) → SOCl2(l) + SO2(g) Δ G o rxn = −75.2 kJ SO3(g) SCl2(l) SOCl2(l) SO2(g) Δ H o f (kJ/mol) −396 −50.0 −245.6 −296.8 S o (J/mol · K) 256.7 184 − 248.1 S o of SOCl2(l) = J/mol · K T = × 10 K Enter your answer in scientific notation.In terms of % yield = (actual / theorietical ) X 100, explain what is meant by “theorietical”.
- Calculate Ksp for the salt NaCl at 25°C. Substance ΔGf°(in kJ/mol) Na+(aq) –262.0 Cl–(aq) –131.0 NaCl(s) -383.6Consider the problem below: (Equation 1) 4 CO(g) + 4 H2O(l) ---> C4H8(l) + 4 O2(g) ΔH = 890.6 kJ/mol (Equation 2) CO2(g) ---> CO(g) + 1/2 O2(g) ΔH = 90.6 kJ/mol (Equation 3) C4H8(l) + 6 O2(g) ---> 4 CO2(g) + 4 H2O(l) ΔH = ??????? The ΔH for equation 3 is:______(express in kJ) Screen Reader Version Consider the problem below: (Equation 1) 4 CO(g) + 4 H2O(l) arrow C4H8(l) + 4 O2(g) ΔH = 890.6 kJ/mol (Equation 2) CO2(g) arrow C O(g) + 1/2 O2(g) ΔH = 90.6 kJ/mol (Equation 3) C4H8(l) + 6 O2(g) arrow 4 CO2(g) + 4 H2O(l) ΔH = ??????? The ΔH for equation 3 is:______(express in kJ)What is ΔSo for the reaction below? 3 NO2(g) + H2O(l) ----> 2 HNO3(aq) + NO(g) So (J/K-mol): 240.0 69.9 146.0 210.7 -1370 J/K-mol 287.2 J/K-mol 1370 J/K-mol 384.7 J/K-mol -287.2 J/K-mol
- How to convert 4.76pm to um? Showing the work. 4.76pm x___________m x_____________ um =________________um How to convert 25.0mL to cL? Showing the work. 25.0mL x______________ x ___________ = ______________cL6. Use Appendix G (Links to an external site.). to calculate ΔS°rxn for the following reaction. N2(g) + 3H2(g)<=> NH3(g) Group of answer choices A, -198.5 J/K B, 185.5 J/K C, 198.5 J/K D, 198.5 kJ/K mol E, -198.5 J/ mol 7. Use Appendix G (Links to an external site.). to calculate ΔG°rxn for the following reaction. N2(g) + 3H2(g)<=> NH3(g) Group of answer choices A, -3300J/mol B, 33.0kJ/mol C, -33.0 J/mol D, -33.0kJ/molCalculate Hrxn for the reaction below. CO(g) + NO(g) CO2(g) +1/2 N2(g) You are given the following set of reactions. CO(g) + 1/2 O2(g) CO2(g) H = -283.0 kJN2(g) + O2(g) 2 NO(g) H = 180.6 kJ
- Thermodynamics Quantities for Selected Substances at 298.15 K (25⁰C) Substance ∆H⁰f (kJ/mol) ∆G⁰f (kJ/mol) S (J/K-mol) Carbon C2H2(g) 226.7 209.2 200.8 CO2(g) -393.5 -394.4 213.6 Hydrogen H2(g) 0 0 130.58 Oxygen O2(g) 0 0 205.0 H2O(l) -285.83 -237.13 69.91 What is the ∆S⁰ in the combustion of ethane in the presence of excess oxygen yields carbon dioxide and water: 2C2H2(g) + 7O2(g) → 4CO2(g) + 6H2O(l) in J/K?Calculate ΔHrxn for the reaction using the following data. Target Reaction: WO3 (s) + 3H2 (g) → W (s) + 3H2O (g) Reaction 1: W (s) + 3/2 O2 (g) → WO3 (s) ΔH = ‒842.7 kJ Reaction 2: H2 (g) + 1/2 O2 (g) → H2O (g) ΔH = ‒238.9 kJ Group of answer choices A)‒2289.2 kJ B)126 kJ C)‒1559.4 kJ D)1559.4 kJ E)‒1081.6Given the following data: 4C(s) + 4H2(g) + O2(g) → CH3CH2OCOCH3(l) ΔH°=-480.0 kJ CH3CH2OH(l) + O2(g) → CH3COOH(l) + H2O(l) ΔH°=-492.0 kJ 2C(s) + 3H2(g) + 1/2O2(g) → CH3CH2OH(l) ΔH°=-278.0 kJ H2(g) + 1/2O2(g) → H2O(l) ΔH°=-286.0 kJ calculate ΔH° for the reaction:CH3COOH(l) + CH3CH2OH(l) → CH3CH2OCOCH3(l) + H2O(l)