How many electrons are transferred in the following redox reaction? Zn + 2 AgNO3 2 Ag + Zn(NO3)2 number of electrons: 2.19 electrons

Q: Calculating ion molarity using solute mass A chemist prepares a solution of sodium chloride (NaCl)…

A: Given - Mass of NaCl=0.40g Volume=50mL Molarity of Cl- =?

Q: What is the result of adding lead(II) nitrate with sodium iodine?

A: With the help of solubility table, lead(II) nitrate and sodium iodide both soluble in water.

Q: Provide the correct IUPAC name for the skeletal (line-bond) structure shown here. on 7- 2,3- 3- 6,7-…

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Q: For the reaction below: which base(s) (IV) will have an equilibrium constant greater than 1 Base…

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Q: Draw the electron pushing mechanism

A: To solve this problem we have to write the mechanism of this reaction .

Q: ow much work in kJ is done when an 144.75 L piston is compressed to 61.6 L against an external…

A: Given : V1 = 144.75 L , V2 = 61.6 L            Pext = 2.36 atm  Tip : Work done = - Pext × ∆V

Q: Six 50.0 ml volumetric flask 1 through 6 are labeled. 10.00 ml of 2.00 x 10-1 M Fe(NO3)3 solution…

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Q: (CaO=56.08g/mol; NH4Cl-53.492g/mol; NH3-17.034g/mol; H20-18.02g/mol; 110.98g/mol) Ammonia gas can be…

A: Given, Reaction : CaO(s) +2NH4CI(s) →2NH3(g) +H2O(g) +CaCI2(g)

Q: (C=12.01g/mol; H=1.008g/mol; S=32.07g/mol; O=16.00g/mol) Black smokers are found in the depths of…

A: 2CH3SH + CO -----> CH3COSCH3 + H2S Mass of CH3SH = 18.21 g

Q: 7. When is Gibbs-Helmholtz equation useful? What can we calculate with it?

A: Since you asked specific question so as per Q&A guidelines of portal I solved question number 7…

Q: sample of ammonia gas was allowed to come to equilibrium at 400 K. 2NH3(g) = N2(g) + 3H2(g) At…

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Q: Identify the element whose highest energy electron would have the following four quantum numbers: 4.…

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Q: a) PF6 b) AICI4

A: Given PF6- and AlCl4-

Q: the pH of this solution Report your answer with 2 places past the decimal point. Type your answer...

A:

Q: A plot of current (amperes) versus the square root of scan rate (volts/sec) for the…

A: The Ip (peak current) is proportional to the v1/2 (square root of scan rate) and the concentration…

Q: An analytical chemist is titrating 147.5 mL of a 0.9200 M solution of formic acid (H₂CO₂) with a…

A: It is given the solutions are, 147.5 ml of 0.9200M formic acid  0.470 M KOH And the pKa of formic…

Q: Is this reaction going via Sn1, Sn2, E1 or E2 mechanism - explain?

A: For given reaction OH— is substituted by Cl—  This indicates reaction is nucleophilic reaction (Sn)…

Q: determine the Kb for CN- at 25°C. the Ka for HCN is 4.9 x 10^-10

A: Kb = ? Ka for HCN = 4.9 x 10-10

Q: calculate the percent ionization of nitrous acid in a solution that is 0.249M in nitrous acid. the…

A: [HNO2] = 0.249 M Ka = 4.50 x 10-4

Q: When a cold 100 g iron bar was placed into a water bath, the temperature of the bath decreased by…

A: Here we are required to heat was transferred to iron bar.

Q: A 0.50 M solution of an acid found in milk has a pH of 3.27. What is the percentage ionization of…

A: Weak acids are partially ionized. % of ionization is very low. for weak acids, Ka = [H+][A-][HA]

Q: The cyclic form of this sugar would be A) alpha-anomer as the -CH2OH and the hemiacetal -OH are…

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Q: the molar solubility of Ba3(PO4)2 is 8.89 x 10 ^-9 M in pure water. calculate the Ksp for Ba3(PO4)2

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Q: a) Name the following compound using IUPAC nomenclature: b) Draw the correct products for the…

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Q: If your answer is 1.00 x10-3 M for the concentration Fe(NO3)3 in 0.10M. What would it be for the…

A: Since we have taken the same volume(5.00 mL) of Fe(NO3)3 in each of the six test tubes, the…

Q: Amount of Sample of Sample 1 mass of Solid phase 30.09 Dersity 7 = 1.1 g/cm³ 16 4 Calculate radius…

A: This can be calculated as:

Q: Question 19 In the reactions of the 5 alkyl halides in ethanol (EtOH), which substrates reacted and…

A: SN1 reaction involves two steps reaction. First step involves formation of carbocation and second…

Q: What is the mass in grams of NO that can be formed from 7.70 moles of NO in the reaction below? 2 3…

A:

Q: Which of the following reactions corresponds to the standard enthalpy of formation of methane, CHA?…

A: The standard enthalpy of formation : when 1 mole of substance is produced form its constituent…

Q: - Why do we use the "mole" in chemistry. How does it relate to the periodic table? a) What is the…

A: The relationship between mole and mass is as follows:       Mole = Mass Molar mass ⇒Mass =…

Q: Match the state function to its corresponding heat of reaction. Α: ΔΗ Β: ΔΕ

A: To solve this problem we have to know about qv and qp

Q: The molecule HI is: A) Homonuclear B) Heteronuclear C) Monatomic D) Nonpolar E) A radical

A: Homonuclear molecule formed when two or more than two same atom combine. Heteronuclear molecule…

Q: k₁ ES ES k.₂₁ K₂ K3 K.2 EP→ E+ P

A: The total enzyme Eo is equal to the sum of the concentrations of free enzyme, substrate bound…

Q: 177 < <6"H) 4 (1₂(g) → (C14 (1) + 4HC1 (g) Find AHran.

A: The balanced chemical equation is: CH4(g) + 4Cl2(g)  → CCl4(l) + 4HCl(g)

Q: What is the mass in grams of carbon dioxide that would be required to react with 45.2 g of LiOH in…

A: Given : mass of LiOH = 45.2 g               mass of NO2 = 80 g

Q: show the mechanism for the alkylation of benzene by 2-butene + HF.

A: mechanism for the alkylation of benzene by 2-butene + HF.

Q: Chemistry 1) Draw (with STRUCTURES) a BALANCED equation with 3-methyl-1-cyclohexene + NBS+ Methanol…

A: N-BromoSuccinamide is used as a brominating agent for alkenes.

Q: Aa.77. A mixture of 0.198 g of H2, 1.197 g of N2, and 1.007 g of Ar is stored in a closed container…

A: Given mass of H2  = 0.198 g         Mass of N2   = 1. 197 g      Mass of Ar  =   1.007 g Total…

Q: Phenol is an acidic organic compound for which K₂ = 1.3 × 10-10. What is the pH of a 0.28 M solution…

A: pH = -log[H3O+]  pH &lt; 7 acidic solution pH &gt; 7 basic solution pH = 7 neutral

Q: (Q104) A solution of FD & C Blue 1 dye is a vibrant blue color. With what color of light is the…

A: If a substance abosrbs light from a certain region of the spectrum then that substance will appear…

Q: Why will silver hydroxide be the least soluble in a solution of higher ph?

A: Silver hydroxide is AgOH.  The dissociation equation for AgOH(s) is: AgOH(s) ⇌ Ag+(aq) + OH-(aq)

Q: The compound shown here is classified as what type of organic compound? 010 i HạC-CH,—C—O—CH2-CH3 A)…

A:

Q: If ferrocene was contaminated with some acetylferrocene after the column, what could you do to…

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A chemical reaction took place in a 5 liter cylindrical enclosure fitted with a piston (like the…

A: A chemical reaction took place in a 5L cylindrical enclosure fitted with a piston.  Means capacity…

Q: for which of the following pairs of elements would most likely be in the molecular compound ? LI…

A: Molecular compounds are formed from the  Individual atoms .

Q: For each molecules, determine the electron domain geometry and molecular geometry using VSEPR method

A: VSEPR theory: The structure of a molecule can be determined by using the VSEPR theory. According to…

Q: calculate the pOH of a solution that contains 3.9 x 10^-4 M H3O+ at 25°C

A: Here we are required to find the pOH of solution which have hydronium ion concentration 3.9 ×10-4 M

Q: I'm just wondering why the wittig reagent doesnt seem to be involved in the synthesis of this…

A: Wittig reaction for generation of alkenes from the carbonyl compounds with wittig reagent.  Incase…

Q: 0.302 grams of an antibiotic was dissolved in enough water at 23.6°C to make 500.0 mL of solution.…

A: We will use formula of osmotic pressure and given data to calculate the molar mass of antibiotic.

Q: Draw the two major products of this reaction. Use wedge and dash bonds to indicate stereochemistry…

A: