Balance the three redox reactions by combining each of the three permanganate half-reactions below with the bisulfite half-reaction (HSO3–⇌SO42– + 2e–)  MnO4– + 5e– + H+ ⇌Mn2+ (in acid) MnO4– + 3e–⇌MnO2 (neutral solution) MnO4– + e– + OH–⇌MnO42– (in basic solution)

Q: Determine the concentration of zinc hydroxide in: a. Pure water: b. 0.025 M sodium hydroxide: c. 0...

A: Ksp of Zn(OH)2 = 5.0×10-17  Concentration of Zn(OH)2 = ?

Q: 1. A solution is prepared by dissolving 4.00 g of NaOH in 100.00 g of water. The volume of the resul...

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Q: The equilibrium constant, Ke, for the following reaction is 1.80x104 at 298 K. NH4HS(s)NH3(g) + H2S(...

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Q: A student ran the following reaction in the laboratory at 543 K: PCI3(g) + Cl2(g) =PCI5(g) When she ...

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Q: Below is the titration curve for a monoprotic weak acid/weak base. In order to produce this curv you...

A: We are given the titration curve for the titration of a monoprotic weak acid(HA) with strong base, N...

Q: The equilibrium constant, K, for the following reaction is 1.20x10-2 at 500 K. PCI5(g) PCI3(g) + Cl2...

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Q: "The coronavirus disease (COVID-19) is an infectious disease caused by a new strain of coronavirus. ...

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Q: The thermochemical equation for the reaction between sodium and magnesium chloride is shown below . ...

A: Given reaction  MgCl2 (s) + 2Na(l) <----> 2NaCl (s) + Mg(s) ∆H° = -45.2kcal 

Q: The equilibrium vapour pressure for water at 25 ℃ is 0.0317 bar. If a solution of 45 g sucrose (??12...

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Q: solution? 3. What is the molarity of 500-mL solution which contains 40 g urea (CH«N2O)?

A: Given-> Volume = 500 ml = 0.500 L (1 L = 1000 ml) Weight of urea = 40 gm Molarity =?    

Q: OOOO A 100.0-mL aliquot of 0.100 M diprotic acid H2A (pK1 =4.00, pK2 = 8.00) was titrated with 1.00 ...

A: The given acid is diprotic acid but at the first equivalent point, an equal mole of the acid reacts ...

Q: help asap Ostwald ripening (digestion) improves the purity and crystallinity of the precipitate. T...

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Q: What is the electronic configuration of Silicon? What is the electronic configuration of Magnesium?

A: An electronic configuration is the representation of distribution of electrons in atomic orbitals. 

Q: ercise 18.62 - Enhanced - with Feedback 12 Fine I Costants i Etios Part B ISSED THIS? Read Section 1...

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Q: One way to represent this equilibrium is: 2 CH3OH(I) + 3 02(g)=2 cO2(g) + 4 H20(g) We could also wri...

A: 2CH3OH(l) + 3O2(g) ---> 2CO2(g) + 4H2O(g)   

Q: TRUE OR FALSE; The carbonyl carbon in an amide and the carbon in an aromatic ring have the same hybr...

A: The hybridisation of a  particular carbon atom in a compound can be found out easily as follows,    ...

Q: The equilibrium constant, Kc, for the following reaction is 1.80x10-2 at 698 K. 2HI(g) =H2(g) + I2(g...

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Q: What types of electronic transitions are possible for each of the following compounds?  a. Dimethyl ...

A: Electronic transitions take place when electrons in a molecule are excited from one energy level to ...

Q: 3. A solution that may contain any of the group III cations. Treatment of the solution with CIO in a...

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Q: A 1.200-g sample of a mixture of NaOH (FW 40.00 g/mol) and Nancog (FW 105.99 g/mol) with inert impur...

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Q: 9. Indicate the type of complex lipid represented by each structure below.

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Q: Draw the Lewis Dot Symbol of the following atoms or ions. 1. Radium 2. Selenium 3. Gallium

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Q: Use Dalton's Law of partial pressure to solve the problems below. Write in a separate sheet of paper...

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Q: Consider the following reaction where Ke = 2.90x10-2 at 1150 K. 2503(g) =2SO2(g) + O2(g) A reaction ...

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Q: An initial dilution was performed by adding 0.2 ml of stock solution to 3.8 ml of diluent. You trans...

A: We are authorised to solve only one question at a time. Please post rest of the questions separately...

Q: Based on Hume–Rothery’s conditions,  which of the following systems would be  expected to display un...

A: If an alloy system carry the unlimited solid solubility, it have to satisfy some conditions which ar...

Q: Table below shows initial rate for the reaction: 2MNO4 + 5CIO3 + 6H* - 2Mn2* + 5CIO, + 3H20 Determin...

A: Recall the given reaction,  2 MnO4-  +  5 ClO3-  +  6 H+  ------->  2 Mn2+  +  5 ClO4-  +  3 H2O ...

Q: Oxalate was used as the precipitating agent in the gravimetric analysis of magnesium. A. Mass of the...

A: The temperature required to dehydrate a precipitate completely may be as low as 100oC or as high as ...

Q: Iron metal reacts with oxygen to produce iron (III) oxide. A) How many heat is released when 10.0 m...

A: Here we are required to find the heat released when different quantity  of either reactant or produc...

Q: Answer the ff.

A: Answer:- 1. To determine element is least likely to participate in hydrogen bond by using Electroneg...

Q: Consider the titration of 50.00 mL of a solution that is 0.0800 M oxalic acid. Calculate the pH afte...

A: Here we have to calculate pH, H+ and OH- conconcentration if 50ml of 0.08 M oxalic acid is added wit...

Q: .What is the type of reaction involved? SA + SB SB + SA WA + SB WB + SA   2.What is the preferred in...

A: Since you have posted a question with multiple sub-parts, we will solve the first three subparts for...

Q: 4.What is the molecular weight of the most soluble compound? 303 g/mol 239 g/mol 557 g/mol 5.What ...

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Q: 44. Convert each of the following to moles and to atoms: a. 18.7 grams of calcium metal b. 51.9 gram...

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Q: A student ran the following reaction in the laboratory at 1116 K: 2502(g) + 02(g) 2503(g) When she i...

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Q: The pH of body fluids can be assessed by the measurement of plasma pH, total CO2, and: РОН b. pkw с....

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Q: 3. A solution that may contain any of the group III cations. Treatment of the solution with CIO in a...

A: Qualitative  Analysis  means detection  of presence  or absence of  perticular substance i of intere...

Q: where AH° = 92.7 kJ, and Kc = 1.80×10-4, at 298 K. NH4HS(s) NH3(g) + H2S(g) When some moles of NH4HS...

A: NH4HS(s)<===>NH3(g) + H2S(g) ∆Ho= 92.7 kJ Kc = 1.80 x 10-4  

Q: 3. Kate constants for the decomposition of acctone dicarboxylic acid in aqucous solution: 10 k (s') ...

A: Solution - According to the question - Given - The equation of above straight line (Arrhenius plot) ...

Q: unknown metal we assumed the heat capacity of water has a value of 4.186j is there an

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Q: 500. mL of a solution of calcium hydroxide at 45 °C contains 104.5mg of the salt. Determine the solu...

A: Given- Volume b= 500 ml =0.500 L (1L = 1000 ml) Weight = 104.5 mg = 0.1045 gm (1 gm = 1000 mg)  

Q: 4.What will be the change in pH after adding 13.4ml of the titrant? * Present your answer to the 2ⁿᵈ...

A: HPr ias a weak acid and neutralized by NaOH, a strong base.                            HPr + NaOH --...

Q: The equilibrium constant, K, for the following reaction is 1.29×10-2 at 600 K. coCI,(g) Co(g) + Cl2(...

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Q: For each of the boxes below, calculate the ratios indicated by the column heading. This will show th...

A: The data given is,  

Q: oblem 24.2 Which carbonyl compounds do not undergo an aldol reaction when treated with "OH in H,0? C...

A: Aldehydes  and ketones which do not contain  alpha hydrogen atom do not undergo aldol condensation r...

Q: Why is using gas as a fuel for power generation better than either oil or coal in terms of CO2 emiss...

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Q: When 23.6 g of calcium chloride, CaCl, was dissolved in water in a constant-pressure calorimeter, th...

A: The mass of calcium chloride is = 23.6 g Increase in the temperature of the calorimeter is = (38.7-2...

Q: Identify the conjugate acid-base pair in: HC6H6O6-  + NH4OH ⇌ NH4C6H6O6- +H2O

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Q: What is the pH if the hydrogen ion concentration in a vinegar solution is 0.001 M? swer: omputation:

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Q: -CH, HyC CH (CH3).(CH;).CHOCH3 +Br

A: Given : We have to write the mechanism for the ether synthesis.