What is the purpose of the salt bridge in an electrochemical cell?     To maintain electroneutrality     To facilitate occurrence of a non-spontaneous reaction     To convert chemical energy to electrical energy     To serve as a physical boundary

Q: Write the balanced dissociation equation for sodium acetate. If it does not dissociate, write only N...

A: In balanced reaction number of each atom on reactant side is equal to number of each atom on product...

Q: Which one of the following could be a product of the reaction shown below? OH H* catalyst ??? HO. OH...

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Q: dified True or False tions: Write CHEMISTRY if the statement is correct, if otherwise, change the un...

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Q: Which of the following statement/s is/are TRUE? I. When electricity is passed through a solution con...

A: We are given four statement about the reaction occurring in electrochemical cell and we have to sele...

Q: (d) Br. HCI (е) H3CO HCI H3CO (f) F3C HCI F3C

A: We need to form the product from the given  alkenes that react with HCl. The products and reaction m...

Q: What is the correct systematic name for the compound shown here? CH3 CH3

A: 1. Select the principle carbon chain 2. Numbering 3. Naming (prefix + word root + suffix)

Q: In the Flint Water Crisis, trihalomethanes were produced in the new water supply due to the mixing o...

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Q: NO2(3) + CO(g) –→ NO(g) + CO2(g) The rate constant at 699 K is measured to be 2.62 Ms1, and at 896 K...

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Q: Nitrogen dioxide decomposes according to the reaction: 2 NO2(9) → 2 NO(g) + 02(9); Kp = 4.48 x 10-13...

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Q: Please answer just the question number 2. (not 1. and 3.).

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Q: For solid solutions, check all that applies: V A. For the case of an interstitial solid solution of ...

A: The solution is as follows:  

Q: What is(are) the spectator ion(s) for the following reaction? Ag2NO2 + HI →   No spectator ion.   Al...

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Q: Consider the following reaction: O3(g) + NO(g) –→ NO2(g) + O2(g) E = 11.44 kJ mol 1 A catalyst is ad...

A: Given : Activation energy without catalyst = 11.44KJ/mol Activation energy with catalyst = 7.76KJ/mo...

Q: Identify the reaction type ) 2K t Brz>2KB. 9) 2 NaHCO3 > Na z COzt coz tH )Na t Hz0 > Hz + 2Na OL, H...

A:                       Answer Identify the types of reaction

Q: Question 12 of 39 Submit What is the correct IUPAC name for the compound shown here? 1-6-5-4- 3-2- s...

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Q: A soultion is 5.00% by mass potassium sulfate. How many grams of this solution would be needed to su...

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Q: h) CH3-CH2-CH2-CH2- ċ=ċ-CH3 i) CH3 -CH3 CH3 CH3-CH,–ĊH ČH3 HIC

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Q: My professor said the answer choice was A.) please explain why in detail. Which of the following so...

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Q: Calculate the mass of CO, (gram-formula mass-4401 g/mol) produced when 0.64 kg of cellulose is compl...

A: Given, The mass of CO2 (gram-formula mass-4401 g/mol) produced when 0.64 kg of cellulose is complete...

Q: Which reactions shows where Kp is equal to Kc. 4 HCl(g) + O2(g) ⇌ 2 Cl2(g) + 2 H2O(g) 2 BrCl(g) ⇌ ...

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Q: A 57.5 mL sample of a 0.122 M potassium sulfate solution is mixed with 39.0 mL of a 0.126 M lead(II)...

A: Molarity = number of moles of solute/volume of solution (in L)  So, moles = molarity × volume (in L...

Q: Consider the reaction: N204(g) 2 NO2(g). What is AS° at 25 °C? AHf, KJ mol-1 AGf, kJ mol-1 NO2 33.85...

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Q: The production of an ether from an alkyl halide. O nucleophilic substitution reaction O radical subs...

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Q: Each row of the table below describes an aqueous solution at about 25°C . Complete the table. That...

A: • The values provided in the question are:-    i) Hydronium ion concentration of solution A, [H3O+] ...

Q: EXPERIMENT: DETERMINING HEAT OF REACTION   Why do we want to have mostly ice and only a little wat...

A: We want to have mostly ice and only a little water (about 75% ice to 25% water) in the small beaker ...

Q: Ammonium perchlorate (NH CIO) is the solid rocket fuel used by the U.S. Space Shuttle. It reacts wit...

A: Ammonium perchlorate decomposes into nitrogen, chlorine, oxygen, and water. The equation for the bal...

Q: At 100°c and 2 bar pressure, the degree of dissociation of phosgene is 6.30 x 105. Calculate the equ...

A: The reaction given is, => Given: Degree of dissociation = 6.30 × 10-5  Temperature = 100 oC And ...

Q: If 52.00 ml of 0.500 M CaBr 2 solution is added to  128 ml of 0.320 M solution of KCl solution, what...

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Q: (a) ŢLi + ? → 2He → 2;He (b) 14 C → 14 N+? (c) He ? + ¿n Al + 27 13 Не (d) 250 Cm → ?+g Sr + 4,n 38

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Q: Question 2 The molar conductivity at infinite dilution of hydrobromic acid, sodium acetate, & sodium...

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Q: How many degrees of unsaturation are there in the following molecule ?

A: Given : We have to tell the number of degree of unsaturation in the given organic compound.

Q: Consider the reaction: BaSO4    Ba2+ + SO42-; Ksp = 1.1 x 10-10 .What is ΔG° at 25 °

A: Using the relationship between Gibbs free energy and equilibrium constant,  □G° = -RT×ln(Ksp) T = 25...

Q: -1490 wing molecule, iustrale the molecuia I (M*) first and then cations (M-N) and

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Q: At a certain temperature this reaction follows second-order kinetics with a rate constant of 1.04 M-...

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Q: 7)ln molecules below, circle the group that showsthe most down fieldin both 'H and C NMR shift. CH3-...

A: 7. A molecule is given below CH3-CH2-CH2-O-CH(CH3)2-CH2(Cl)-CH=CH-CH3. We have to indicate the most ...

Q: After taking measurements of a rectangular solid with a mass of 3.84g, you determined the length to ...

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Q: The following data were acquired in an iodination experiment involving acetone. Reaction times are f...

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Q: What is the packing efficiency (in %) for a simple cubic unit cell? Give answer with three decimal p...

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Q: 1. Particles of the reactants (1) must not only have enough energy upon collision for a reaction to ...

A: The collision theory describes that a reaction will take place when the reactant of the reaction cro...

Q: Which of the reaction mechanisms is consistent with the energy diagram? fast O 2 A → B slow В C slow...

A: The energy diagram is given that provide graph of  reaction mechanism. we have to predict the consis...

Q: 3 mol % Bi(NO3)3•5H,O Co H2O, rt HO,

A: The reaction given is,  

Q: Consider the reaction: BaSO4 Ba2+ + so42; Ksp = 1.1 x 10-10 What is AG° at 25 °C? O 110 kJ/mol O 1.6...

A: Answer: Standard gibbs free energy = 52 kJ/mol All detail calculation given below   Thank you

Q: The cell notation for the Galvanic cell is Cd(syCd2+/l/½(syI" The Standard Reduction Potential are a...

A: Given cell notation is : Cd (s) | Cd2+ (aq) || I2 (s) | I- (aq)  E0Cd2+|Cd = -0.403 V  (anode) E0I2|...

Q: P This dot structure represents which of the following answers: O P O (Ne] 3s^2 3p^3 O PA3+ O (Ne] 3...

A: In the lewis dot structure of an atom, the dots represent the valence electrons present in an atom.

Q: 15) Which one of the compounds corresponds to this IR spectrum. NH2 1000 2000 3000 4D00

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Q: 10- What would the product of this reaction be? [0] CH3CH2CH2-SH + CH3CH2-SH a) CH3CH2CH2-S-S-CH2CH3...

A: Thiols are similar to alcohols. In thiol -SH functional group present and in alcohol -OH functional ...

Q: You are being asked to draw the atomic structure for gallium. How many protons would you place in th...

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Q: Question 13 Consider the reaction: Baso4 Ba2* + so,2; Ksp = 1.1 x 10-10 What is AG° at 25 *C? 110 kJ...

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Q: 15.0 L of an ideal gas at 298 K and 3.36 bar are heated to 350 K with a new pressure of 3.80 bar. Wh...

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Q: The hydroxide ion concentration, [OH-], of an aqueous solution of 0.406 M ammonia is ______ M. The ...

A: 1.                                                   NH3 (aq)   +   H2O (l)  ⇌  NH4+ (aq)   +   OH- ...