An electrochemical cell is based on the following two half-reactions: oxidation: Sn (s) →Sn²+ (aq, 1.75 M)+2e reduction: CIO2(g, 0.260 atm)+e→Cl0, (aq, 1.50 M)

Q: What is the pH of a 0.223 M LINO2 solution at 25 °C (Ka for HNO2 = 4.0 x 104)? (the answer should be…

A: Given, [LiNO2] = [Salt]=0.223 M Ka of HNO2= 4.0×10-4 pH = ?

Q: Which among these is the most important piece of data in a gravimetric analysis?   Mass of analyte…

A: Gravimetric analysis :  Gravimetric analysis, a method of quantitative chemical analysis in which…

Q: A mixture containing 2.21 g each of CH4(g), C,Ha(g) and CaH,o(g) is contained in a 1.50 L flask at a…

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Q: I. Give the Lewis dot structure of the following: a. NazSO3 b. Dinitrogen tetroxide II. Predict the…

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Q: Using the periodic table for this course (Chem 100 Periodic Table.pdf ), which substance contains…

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Q: Question 2 Indicate whether the following statements are true or false: A. v The entropy of the…

A: A. The Entropy of a system increases for all spontaneous processes. True  An exothermic reaction…

Q: Which of the following best describes the O B. Fe3*] (3 x [OH]) OC Fe3+] + (3 x [OH"])3 OD…

A: Solubility equilibrium is as follows  Fe(OH)3(s) -----> Fe3+(aq.) + 3 OH-(aq.)

Q: AICI3

A: Salt of Strong acid is Acidic,  salt of Strong base is basic.  While salt of Strong base and Strong…

Q: Using the thermodynamic information in the ALEKS Data tab, calculate the standard reaction entropy…

A: Given, 2CH3OH(g) + 3O2(g) ➝ 2CO2(g) + 4H2O(g) Species                           S° J/mol.K CH3OH(g)…

Q: NABH a. CH,OH [1] LIAIH b. (2] H2O

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Q: What is the name of the ionic compound CaCO3? Enter the name in all lowercase letters (including any…

A: Given,  CaCO3  And  AgBr

Q: A mixture that is 5.2x10-2 M in NaC,H3O2 and 5.4x10-2 M in Ba(C2 H302)2- Express your answer using…

A: Given, [NaC2H3O2]=5.2×10-2M[Ba(C2H3O2)2=5.4×10-2M

Q: A 2.16 g sample of phosphorus was burned in a large excess of chlorine, and the phosphorus chloride…

A: To Calculate molar mass , we can use the relation that rate of effusion is inversely proportional to…

Q: Using Hess's Law, calculate for the change in enthalpy of the given reaction. Calculate ∆ H for…

A: Given,  2NO2 (g) + 2NO(g) + O2 (g) →2N2O4 (g) ∆H1 = −228.54 kJ4NO(g) + 2N2O(g) + 5O2 (g) →4N2O4 (g)…

Q: Look at the Lewis structure below and determine the bond angle (See Table at end of problem). What…

A: Hybridization(S) =1/2(valency electron in central atom+no. Of atom attached to central atom by…

Q: che standard reaction entropy of a

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Q: Reaction of 2-methylpropene with CH3OH in the presence of H2SO4 catalyst yields methyl tert-butyl…

A: Addition reaction in alkenes takes place across the double bond and it takes place in presence of…

Q: Indicate the concentration of each ion present in the solution formed by mixing the following.…

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Q: mL of a 0.530M C2H5NH2 solution (Kb ver should be entered with 3 significant figures; do not enter…

A: Given,   Kb = 4.3×10-4 pKb = 3.37 Molarity of base = 0.530 M Volume of  base = 52.9 mL Molarity of…

Q: What would be the van't Hoff factor (i) for a potassium sulfate, K2SO4 (100% dissociation) and why?…

A: Here we have to calculate van't Hoff factor for potassium sulfate(100% dissociation) and reason…

Q: 40) Going from the left to right in the periodic table, the size changes among the transition…

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Q: From the list of acid-base indicators below, select the one BEST indicator for a titration with an…

A: The indicators are chemical compounds that show changes in color at a definite change in pH. Hence,…

Q: For items 1 and 2: 4NH3 + 302 6H2O + 2N2 1. What is the mole ratio of NH3 to H2O? 2. What is the…

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Q: Carboxylic acids can be made by the hydrolysis of nitriles, which in turn can be made from an alkyl…

A: Alkyl bromides are a good substrate for nucleophilic substitution reactions. If an alkyl bromide…

Q: If 1 kg of the compound toluene Métis at -95’C, then 500 g of toluene at what C will it melt at?

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Q: 2. Consider the reaction of CeHe + Br2 → C6HsBr + HBr a. What is the theoretical yield of C6H5B if…

A: Given-> Weight of C6H6= 42.1 gm Weight of Br2 = 73.0 gm Actual yield of C6H5Br = 63.6 gm

Q: 2. Hemoglobin in blood binds oxygen to carry to cells for metabolism. The overall equation is:…

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Q: e) [H] = 0.0045 M, [Cl,] = 0.0045 M, [HCI] = 0.0625 M

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Q: What is the difference between an electrolyte and a chemical device in The method of work and device…

A: Electrolyte :- Generally it is a solution of Ion.A solution which can produced electricity.…

Q: A beaker contains 26.202 mL of a 0.131 M solution of KOH. This is titrated with 13.01 mL of a 0.0425…

A: The solution is given below -

Q: Metallic manganese can exist in the y form (fcc, cell dimension = 3.86 Å) and the & form (bcc, cell…

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Q: Find the molecular geometry of SO2 and I3-. Keep the SO2 molecular geometry first in the answer. In…

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Q: 2. A voltaic cell is constructed by immersing a strip of copper metal in 1.0 M CuSO, solution and a…

A: 2.) We would use the given information to predict about copper electrode.      Note : As you have…

Q: % By Volume.

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Q: Questions 1. Electrical current is carried by a flow of charged particles, which often occurs…

A: Electric current is carried by charged particles.Free eelectrons can carry charge

Q: What is an ionic bond? Select all true statements. It gives rise to the heat of fusion of the ionic…

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Q: All of the following are added to five different containers of water, each with the same mass of…

A: Elevation in boiling point is a type of colligative property, which depends on number of solutes.…

Q: 6. For the reaction Cu(s) = Cu(g) AH° = 81,730 – 0.47T – 0.731x10³T? AS° = 34.94 – 1.08 log10T -…

A: Given-> ∆H° = 81730 - 0.47 T - 0.731× 10-3T2 ∆S° = 34.94 - 1.08logT - 1.46 × 10-3T

Q: Please answer this immediately. Thank you!

A: Functional group of the molecule shows an characteristic property. Generally these are the groups of…

Q: 2. Are the following compounds likely to dissociate, partially dissociate, or not dissociate when…

A: There are different type of substances with different physical and chemical properties. Dissolution…

Q: A. Balance the following redox reactions given their half-reactions 1. Half reaction 1:12(aq)21 (aq)…

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Q: n acid or base in

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Q: A student studied the clock reaction described in this experiment using Reaction Mixture 3 : • 10.0…

A: We have find out concentration of each reactant and relative rate of reaction.

Q: An aqueous solution contains 0.30 M ammonium bromide. One liter of this solution could be converted…

A: Given-> Molarity of NH4Br = 0.30 M Volume = 1 L

Q: Write the structural formula for propylene glycol, 1,2-propanediol. Why is it classified as an…

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Q: acid base Ka formula formula 9. name name hydrofluoric acid HF 6.8 × 10¬4 pyridine C3H;N |1.7× 10¬º…

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Q: (a) Place the following gases in order of increasing average molecular speed at 25°C: CO, SF, H,S,…

A: In this question, we have to arrange the following gases in order of their increasing average…

Q: CH3 CH3 + OCH3 a. + CI OCH3 OH + I b. OH LOCH2CH3 + OCH,CH3 + CI с. d. Br CN CN + Br +

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Q: Which of the following acids would be best to form a buffer with a pH of 2.21? O A. HCN pKa = 9.31…

A: Buffer solution: The solution that resists the change in pH is known as a buffer solution. The…

Q: What I Have Learned (PORTFOLIO OUTPUT #19) Directions: Balance the chemical equation below and…

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