An acid-base indicator, HIn, is blue in acid and yellow in base. Which of the following is TRUE? HIn is blue HIn is yellow              C. In- is blue         D. In- is green

Q: Determine the pH during the titration of 20.0 mL of 0.110 M perchloric acid by 7.69x10-2 M barium…

A: In this titration, perchloric acid is a strong acid and barium hydroxide is a dibasic( gives 2 OH- )…

Q: Setting up a unit conversion A student sets up the following equation to convert a measurement. (The…

A: Here we are required to convert the following unit from one form to another.

Q: QUESTION 5 If a student conducted this same experiment last semester, and collected the following…

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Q: nsider the following system at equilibrium where AH = 108 kJ, and K. = 1.29 x 10-2, at 600 K: COC1₂…

A: Given -> COCl2(g) <-----> CO(g) + Cl2(g)  ∆H° = 108 KJ  Kc = 1.29 × 10-2 T = 600 K

Q: The activation energy for a reaction is 533.2 kJ. The rate constant at 51.9ºC is equal to 1.57 x…

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Q: Using the provided table and the equation below, determine the heat of formation (in kJ/ mol) for…

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Q: Which of the following properties determines the viscosity of a liquid molar mass intermolecular…

A: Concepts of viscosity of liquid.

Q: 9. [ Calculate AH for the process in which Cl2(g) initially at 298.15 K at 1 bar is heated to 690. K…

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Q: 1. Calculate the percentage of Oxygen content on the following compounds, write the correct formula.…

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Q: If you are using 5.307 grams of vanillin in your reaction and want to achieve a 1:1 ratio in…

A: at equivalence point, mole of vanillin = mole of NaOH. mole = massmolar mass mass = mole × molar…

Q: For recrystallized salicylic acid compound Explain how IR SPECTRUM works using KBr disc on a…

A: For determining IR spectra of solid samples, KBr pellet method is often used. KBr is used as the…

Q: The activation energy for a reaction is determined to be 350.8 kJ. The rate constant at 21.4ºC is…

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Q: 3 Lithium metal is the only member of Group 1 that reacts directly with nitrogen to produce a…

A: Answer: This question is based on the concept of limiting reagent. The reactant that exhaust first…

Q: Which reaction corresponds to the standard enthalpy of formation, Δ?∘f,H2O2(l)?…

A: Standard enthalpy of formation: The standard enthalpy change for the formation of 1 mole of a…

Q: Draw the structure of (E)-2-chloro-2-pentene.

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Q: Determine the pH of a 0.117 M solution of ascorbic acid. pH = Determine the equilibrium…

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Q: where

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Q: How did you convert the c to k that's my only question like 25.5c to k and you got 298.65?

A: Answer: In this question we have to understand the conversion of one temperature unit into another.

Q: Blast furnaces extract pure iron from the iron(III) oxide in iron ore in a two step sequence. In the…

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Q: using what you can recall from this unit write one or two short paragraphs decribing ernest…

A: In this question, we have to write one or two short paragraphs decribing ernest rutherfords atomic…

Q: 6. A solution of potassium sulfide reacts with a solution of lead (II) nitrate to produce aqueous…

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Q: Hasis fint 526 ms! 2. Consider the following thermochemical reaction for kerosene: 2 C12H26 (1) +37…

A: #2: The balanced thermochemical equation for the combustion of kerosine is: 2C12H16(l) + 37O2(g) →…

Q: If 2.01 x 10[math]^{-3} mols of stomach acid is neutralized by the antacid, and the concentration of…

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Q: Are the following constitutional isomers, conformers, or stereoisomers. If they are stereoisomers,…

A: Constitutional isomers- are those which have same molecular formula but different connectivities of…

Q: , Sect. 1-2) t ot ot pt pt [References] A 19.9 g piece of silver was heated to 98.0 °C in boiling…

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Q: Calculate the volume in liters of a 36.3 g/dL zinc nitrate solution that contains 379. g of zinc…

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Q: Draw the skeletal structure of a dihalide that could be used to prepare the following alkyne. There…

A: Geminal or vicinal dihalide reacts with a strong base (NaNH2) and gives an elimination reaction to…

Q: Perform the conversions between energy units. 617 kJ= 2275 kcal= 7.76×10^6 J=

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Q: Calculate pH for a weak acid/strong base titration. Determine the pH during the titration of 59.5 mL…

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Q: Can you help me draw the mechanism arrows for this reaction and determine if the reaction is going…

A: The reaction pathway .

Q: Predict whether this reaction would display rearrangements. Br₂ H₂O A) Rearrangements are never…

A: Here we are required to find the product of the organic reaction.

Q: Indicate the 4 statements about standard heat of formation , ΔHfo, that are true by checking the box…

A: We have to select the correct options about the standard heat of formation , ΔHfo. The given options…

Q: QUESTIONS In the following reaction in aqueous solution, the acid on the reactant side is product…

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Q: 1. a) For each of the following compounds, draw a structural isomer that changes the functional…

A: For the given organic compounds, we have to: 1. Draw a structural isomer with a different functional…

Q: The oxidation of CO(gas) to CO2(gas) is a spontaneous reaction at 25°C True or False? Show Steps…

A: Spontaneous Reactions- Favorable reactions are those that cause the system's enthalpy to drop while…

Q: You prepare a solution by mixing 16.9 mL of acetone (d = 0.7844 g/mL, 58.08 g/mol) with 34.4 mL of…

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Q: Provide an explanation (in detail) on how base catalysts speed up nucleophilic reactions of carbonyl…

A: Organic reactions are those in which organic reactant react to form organic product. In the given…

Q: A decomposition reaction follows second order kinetics with a rate constant, k = 0.0137 M-1 min-1.…

A: Second order rate constant for the reaction, k = 0.0137 M–1min–1.  Initial concentration of the…

Q: Which of the statements is true about a solvent with a higher surface tension? a) It is harder to…

A: The surface tension of a solvent is the net tension force caused by the bulk of the surface…

Q: 24. Consider the following unbalanced redox reaction: ClO3 + Fe²+ + HCl + Fe³+ + H₂O The…

A: Given : redox reaction Tip : balance under acidic condition.

Q: The basis of chromatography for separating components of a mixture is:   a. the thermal…

A: Chromatography is the laboratory technique used to seperate the coloured components of the mixture.…

Q: Which statement(s) is/are true about intermediates in a reaction mechanism? Select all that apply.…

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Q: Calculate the standard enthalpy of formation for H2O2(l). Use the standard enthalpy of formation…

A: The given compound is H2O2(l).  The standard enthalpy of formation for H2O2(l) is

Q: wadzband indend SAZA FOA If you left bubbles in your column, how would that affect your results? If…

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Q: Classifying Reactions and Balancing Chemical Equations Part A: For each of the chemical reactions…

A: Balance chemical equation: Balanced chemical equation can be defined as the reaction in which number…

Q: 2. How many grams of sulfuric acid (H₂SO4) would you measure to make 1L of a 1M solution? Show your…

A: Molarity = Moles of solute/ Volume of Solution(L) Moles of Solute = Mass of solute/Molar mass of…

Q: Calculate the pH and the equilibrium concentrations of HSeO3 and SeO32- in a 0.0769 M selenious acid…

A: Given data  0.0769 M  H2Se03 (aq).For H2Se03, Ka1 = 2.4x10-3 and Ka2 = 4.8x10-9

Q: newly developed adhesive is found to be a nonelectrolyte upon dissolving in water. A prepared…

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Q: 1. Consider the following mechanism: Step 1 Br₂ Step 2 Br + H₂ Step 3 H₂Br + Br a. What is the…

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Q: The ion product expression for nickel carbonate, NiCO3, is O Ksp = [Ni2+][CO32-1. OK₂=…

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.