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Q: Which indicator could be used to titrate aqueous NH3 with HCI solution? Acid Color- Indicator Range…

A: NH3 + HCl ---> NH4Cl  NH4Cl is an acidic salts which pH<7

Q: Calculate the molar mass of a certain gaseous organic compound having a density of 0.00356 g/mL at…

A: Given- Density=0.00356g/mL = 3.56 g/L (1 L = 1000 ml) Pressure=2.12atm Temperature=45°C = 45 + 273 =…

Q: 5. Does your structure have the ability to form a (circle): hemiacetal or acetal or neither if…

A: Since you have asked multiple questions, we will solve first one for you. For remaining question,…

Q: Example 10. 2.82 g of glucose (mol. mass=180), are dis- solved in 30 g of water. Calculate the : (i)…

A: Given :-  Mass of glucose = 2.82 g  Molar mass of glucose = 180 g/mol  Mass of water = 30 g  To…

Q: When [Pb2+] - 1.33 M, the observed cell potential at 298 K for an electrochemical cell with the…

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Q: The decomposition of hydrogen peroxide, 2 H₂O(aq) → 2 H₂O(l) + O₂(g), follows first-order kinetics…

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Q: Krypton-81 has a half-life of 2.29 × 105 years. A 750-mg sample of Krypton-81 undergoes electron…

A: Since you have posted a question with multiple sub-parts as per our company guidelines we are…

Q: Example 9. In an electrolysis experiment, a current was passed for 5 hours through two cells…

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

Q: Using the standard recuction potentials  Au3+ + 3e- = Au   +1.41 volt Ca2+ + 2e-= Ca    -2.74 volt…

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Q: 15. Consider the given Figure below on the production of ammonia. What conclusion you make? 70 350…

A: Given that, the diagram of the production of the ammonia. We have to make a conclusion from the…

Q: Find the mass of each substance. show solution 1.50 mol C5H12 0.780 mol Ca(CN)2 7 mol H2O2 5.60 mol…

A: In this question we have to tell the mass of the each substance.

Q: H.C. CH3 CH3 CH3

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Q: In a galvanic cell, oxidation takes place at the: cathode, anode, or any electrode (choose 1),…

A: There are basically two types of electrochemical cell-  1- galvanic cell 2- electrolytic cell

Q: The negative value of standard electrode potential indicates that the metal is 1. easily oxidized…

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Q: edict the product of the following reaction: 1) Na OF+ 2) H3O+ ?

A: In this question we have to tell the product of the reaction.

Q: Example 8. The laboratory reagent, concentrated nitric acid, is generally 69 per cent by mass of…

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Q: Consider the following anions. Rank from most to least spread out. B) مد no resonance D O<S atomic…

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Q: A chemist prepares a solution of iron(III) bromide (FeBr3) by measuring out 140. g of iron (III)…

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Q: 7. Sketch each titration curve on the same graph. Label the half-equivalence and equivalence points…

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

Q: Write the CAPITAL Letter of the correct answer. A if both statements are true  B if the 1st…

A: Given that, two statements are If the change in free energy, ΔG is negative, the reaction is…

Q: A certain metal M forms a soluble nitrate salt M(NO), Suppose the left half cell of a galvanic cell…

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Q: 14.20 60Co is used extensively in medicine as a source of y-rays. Its half-life is 5.27 years. (a)…

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Q: 10. Consider the reaction coordinate diagram for the reaction of HNO3 with KOH. 60 50 40+ 30 20- lo…

A: Given, At temperature , T=298 KInitial rate of reaction , r = 0.00125Ms[HNO3]=0.010 M[KOH]=0.050 MAt…

Q: Example 1: If a 2.0 L sample of air is collected at 298K, but its temperature falls to -25°C, what…

A: Given data Initial volume of air : V1=2.0 L Initial temperature of air : T1=298 K After falling of…

Q: When writing an equilibrium expression, the coefficients from the balanced equation become the O…

A: Here we are required to find the statement which about the coefficient of the balance equilibrium…

Q: Which of these molecules would have a linear molecular shape? (Select all that apply.) O CS₂ XeCl₂…

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Q: A 1997 g sample of ground water is found to contain 0.0207 g of arsenic. Calculate the concentration…

A: Parts per million (ppm) :-  The number of parts by weight of solute present in million (106) parts…

Q: 1) Fill in the following data table with the missing quantities NO₂ H₂O H₂SO4 + NaNO₂ KI NH₂…

A: For H2SO4 : We know, density = Mass / Volume Mass = Density * Volume          = 18 M * 2 mL…

Q: For whole blood flowing in a capillary of radius 1.9x10-4 cm, estimate the maximum velocity for…

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Q: 3. What is an electrochemical couple? What is the difference between a homogeneous electrochemical…

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Q: Question 14 The hydrolysis of phosphoenolpyruvate proceeds with a AG" of about -62 kJ/mol. A major…

A: When the phosphoenol pyruvate undergo hydrolysis reaction, then inorganic phosphate group is…

Q: What are the empirical formulas of the following compounds? show solution if applicable Compound…

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Q: If the decomposition of (NH4)2(CO3) is a first-order process with a rate constant of 0.171 s-1, how…

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Q: The equilibrium constant, K, was found to be 3.8 x108 at 25°C for the following reaction, 2X(s) +…

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Q: For No. 21-25 When 120 grams of aluminum is reacted with excess chlorine gas and form Aluminum…

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Q: Determine the reactant of the following reaction:

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Q: Draw dot structures of PCI5. SF6, 1- C3H4O, TeF5¹- (Te is element number 52), and 13¹-ion (a…

A: In this question, we have to draw dot structure of the given molecules.

Q: A student made measurements on some electrochemical cells and calculated three quantities: • The…

A: It is an example of electrochemical reaction  Here we are required to find which of 3 quantities are…

Q: mol A chemist makes 240. mL of mercury(II) iodide (HgI₂) working solution by adding distilled water…

A: Given, Note: 1000 mL = 1 L Stock solution: Concentration of mercury (II) iodide (M1) = 0.000117…

Q: What is the pH of a solution containing 0.30 M lactic acid (K₂ = 1.38 x 10-4) and 0.50 M of lactate…

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Q: A chemist prepares a solution of sodium nitrate (NaNO3) by measuring out 21.4 g of sodium nitrate…

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Q: Calculate the molar mass of each substance. (show solution) H3PO4 CaCO3 (NH4)2SO4 C4H9O2

A: Molar mass means the masses of all the atoms in the moleculeadded together.

Q: Which combination(s) of ylide and carbonyl compound could be used to synthesize the alkene shown…

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Q: 14.12 Round your answers to 6 decimal places. Box your final answers.

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Q: f) Et Me H₂, Pd/CaCO3 Lindlar's Catalyst

A: Catalytic hydrogenation is the addition of hydrogen to double or triple bond in presence of…

Q: W Calculate the hydronium ion concentration and pH of a titration after the addition of 10 mL 0.2 M…

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Q: Using these metal ion/metal standard reduction potentials: Cd2+ lCd : -0.38 V ; Zn2+  lZn : -0.76 V…

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Q: Derive an expression for the temperature coefficient of the solubility, dxB/dT.

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Q: ال collected Sometimes in lab we collect the gas formed by a chemical reaction over water (see…

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Q: ris(hydroxymethyl)aminomethane, commonly called TRIS or Trizma, is often used as a buffer in…

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