Which answer represents the correct balancing coefficients (in order from left to right) & the type of reaction for: ___KBr + ___ Fe  --> ___ FeBr3 + ___ K

Q: Determine the mass in grams of 2.30 moles of Ca(OH)2

A: Moles = It is the ratio of given mass of a substance to its molar mass  Moles = mass/molar mass…

Q: Listen If an excited electron drops from a higher shell to a lower shell in an atom, the energy is…

A: When an electron excites from lower energy state to higher energy state, it absorbs energy of…

Q: a. Give the chemical equation for the dissociation of PbCl2. b. What is the molar solubility of…

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Q: How would you use an experimentally determined Ksp value to calculate that Ag2CrO4 should…

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Q: Write the equilibrium-constant expression for the reaction shown in terms of [A], [B], [C], and [D].…

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Q: OH Br 1. Mg, thf 2. D₂0 Label step 2 only OTS H₂O

A: In presence of weak acid like H2O , E1 reaction take place.

Q: Acid Soln. 1 2 3 [H+] 0.00535 M pH 9.25 [OH-] 2.10 x 10-7 M

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Q: (2) 12. If a buffer solution is 0.130 M in a weak acid (Ka = 5.80 x 10-5) and 0.560 Min its…

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Q: 1. Option R What is the concentration of phosphate in the original lake water sample if the unknown…

A: Given, Volume of water sample = 25.0 mL

Q: The next balance takes place in a rigid container. PCl5(g) ⇔ PCl3(g) + Cl2(g)        ΔH=56 kJ…

A: We have been given an equilibrium reaction.Reactants are present on left hand side and products are…

Q: 4. USE ELECTRODE POTENTIAL DATA TO DETERMINE AG FOR THE REACTION: 2Al(s) + 3Br2 (1) 2A1+ (aq, 1M) +…

A: We have to first calculate the standard electrode reduction potential.…

Q: A 20 mL aliquot of skimmed milk was placed in an Erlenmeyer flask. To the flask was added 3 to 4…

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Q: 1. Magnesium solid reacts with aqueous hydrochloric acid to form the Mg2+ ion in solution. In an…

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Q: 6) Voltammetry - In linear scan voltammetry, the diffusion current is proportional to the…

A: The following equations will be needed to solve this set of problems: q=it .. (1) Here, q = charge i…

Q: How much 20.0% NaOH should I put in a 30.0 ml tube if my dilution ratio is 1/10. What is the…

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Q: 4. Solutions of iron(III) sulfate and sodium sulfide are mixed. 5. Solutions of aluminum sulfate and…

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Q: RMR (kcal/day) = (9.99 x 79.5kg) + (6.25 X 182.9cm) - (4.92 x 35) + (166 x 1)- 161

A: RMR is the resting metabolic rate. It is the amount of energy in calories burnt while resting and it…

Q: e. f. Br NaH SH 1. PBr3 2. Mg, thf 3. Ethylene oxide 4. H₂O/H3O+ Label step 3 only OH

A: The reactant and product of the reactions are given as below -

Q: Write a net ionic equation for the reaction with OH- by which antimony(III) hydroxide dissolves when…

A: Here we have to write the net ionic equation for the reaction of hydroxide ion with antimony (III)…

Q: During part of the  226 Ra       decay series, it emits four alpha particles and two beta particles…

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Q: 2) If the BOD; of a waste is 220 mg/l and the ultimate BOD is 320 mg/1, what is the rate constant?

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Q: A 5.00 L tank at 23.6 °C is filled with 3.92 g of dinitrogen monoxide gas and 19.6 g of sulfur…

A: Given, Mass of dinitrogen monoxide (N2O) gas = 3.92 g  Mass of sulfur hexafluoride (SF6) gas = 19.6…

Q: Carbon monoxide gas is collected at -11.0 °C in an evacuated flask with a measured volume of 25.0 L.…

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Q: How would a student make 60.0 mL of a 0.05000 M solution of iron(III) using a stock solution that is…

A: Answer:- This question is answered by using the simple concept of dilution in which a concentrated…

Q: (d) Using the reagents below, list in order (by letter, no period) those CH3 o necessary to prepare…

A: The first step of the formation of the desired product is the benzylic bromination of the toluene.

Q: How many grams are in 3.55 ✕ 1024 molecules of S8?

A: Molar mass of S8 = 256.52 g/mol We know, 1 mole of S8 contains 6.023 ×1023 molecules Or mass of…

Q: This question has multiple parts For the reaction below: H3C CH3 + 2 Br₂ a Draw a structure for the…

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Q: For each of the following ethers, fill in the blank with the IUPAC NAME of the ether. butoxy)butane…

A: The IUPAC names of the given ethers are listed below -

Q: Nitrogen tetroxide dissociates as follows: N2O4 →  2NO2 If a 100ml flask contains 1.00gm of N2O4…

A: Ideal gas equation is  PV = nRT and mole = massmolar mass

Q: Question 14 What is the name of this compound? CH3 HC (CH₂)12 CH HC-OH HC CR CH₂0- 0=2…

A: Sphingomyelin:- found in  Animal cell membranes.

Q: (3) 7. An acid HA is dissolved in water: HA H+ + A. [HA] = 0.250 M; [H*] = 4.00 x 104 M; [A-]=4.00 x…

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Q: Which of the below electrodes utilizes an ionophore in its membrane material? Select all that apply.…

A: The electrodes utilizes as an ionophores are only cations of S-block & some d-block elements

Q: Name the following ions. NO3-   ClO-   S2O32-   NH4+   CN-   SiO44-   SO32-   HPO42-   Hg22+…

A: For naming of anions the anion of oxyacids with suffix 'ous' has suffix 'ite'. While anion with…

Q: 11) ( Ca, V Arrange the following atoms in order of decreasing (LARGEST to SMALLEST) atomic radius…

A: Dear student, you have posted three questions. The answers are given below-

Q: Flavonols are a type of flavonoids, in a silica gel stationary phase chromatography, with what kind…

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Q: A 2.200-g of quinone, C6H40₂, is burned in a bomb calorimeter whose total heat capacity is 7.854…

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Q: A steady current of 10 A maintained for 1 hr deposits 12.2 g of zinc at the cathode. What is the…

A: Given,  I = 10 A.  t = 1 hr.  m = 12.2 gm.

Q: For each of the following ethers, fill in the blank with the COMMON NAME of the ether. butyl butyl…

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Q: How many grams of CH liquid must decompose according to the following chemical equation to transfer…

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Q: li 3-methylbutanal Route A 1-chloropropane Et₂O + Mg MgCl propylmagnesium chloride i) Eto ii) H₂O OH…

A: Less hindered Nucleophile will give good yield.

Q: 1) Describe Equimolar. 2) How is the maximum heat produced in a compete Neutralization? I

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Q: 3 show the major organic producte h. NH₂ 1. + CI Н+ + excess NH3

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Q: How much voltage is needed for electrolysis, when in the cell Co|Co2+ (6.40∙10-3M), Zn2+…

A: We have,  Current,A = 0.078 Cell resistance,R = 5.00

Q: TPA Add the necessary reaction conditions above or below the arrow in this organic reaction. Also,…

A: Given reaction is epoxide ring opening under acidic condition Oxygen of epoxide takes proton and get…

Q: Which answer represents the correct balancing coefficients (in order from left to right) & the type…

A: The given reaction:  ___ NaBr + ___ H3PO4  --> ___ HBr + ___ Na3PO4  first of all we will balance…

Q: 5. 6. 14 7 N 32 7. S + 4 + 2 4 He 2 1 He V 1 0 17 8 1 - H O 12 + с

A: Given reactions are examples of radioactive decay. Radioactive decay is the process where an…

Q: A Zn wire and Ag/AgCl reference electrode saturated with KCl (E = 0.197 V) are placed into a…

A: Given;   Standard electrode potential of Ag/AgCl is 0.197 V Ecell is -1.077V Standard reduction…

Q: a. For the following unbalanced chemical equation, suppose 10.3 g of each reactant is taken. Show by…

A: Given :  The unbalanced reaction The mass of each reactant    To find :  Write the balanced chemical…

Q: If a pH electrode is experiencing the sodium (alkaline) error... A. the apparent pH will be lower…

A: We have to find out the pH when the pH electrode experiences sodium(alkaline) error.