Which will make a good substitute for bromocresol green in a double indicator titration?   potassium hydrogen phthalate   methyl red   litmus   bromothymol blue

Q: Analyze the "C NMR spectrum for the CHi„CI compound shown below and determine a structure. Assign…

A: The C-13 NMR spectra can be taken in two ways-  1- proton coupled mode 2- proton decoupled mode

Q: The alkalinity of natural waters is usually controlled by OH (MW = 17.01 gimole). CO,2 (Mw = 60.01…

A: To reach the phenolphthalein end point, OH- reacts completely and CO32- react partially to form…

Q: Hydrogen produced from a hydrolysis reaction was collected over water. The data is compiled in the…

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Q: Write a complete and balanced nuclear equation for the following: а. Magnesium-24 is formed by beta…

A: Nuclear chemistry is branch of chemistry in which we deal with nuclear fusion and fission process.

Q: Phosphorus-32 is a radioisotope used in the treatment of leukemia and pancreatic cancer. If the…

A: Given, Phosphorus-32 in a sample decreases from 1.2g to 0.30g in 28 days . We have to calculate half…

Q: For items 1-4, consider the isothermal expansion of a 1.5 mole of monoatomic gas gas from a pressure…

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Q: Calculate the potential of each cell below. 4. Pt / Fe3+ (0.0886 M), Fe2+ (0.1420 M) // SHE 5. SHE…

A: 4. Given that, a cell reaction is Pt|Fe3+(0.0886 M), Fe2+(0.1420 M)||SHE. So, the oxidation half-…

Q: Which of the following is not true? 1. When conditions are NOX-limited, the excess of VOCs in the…

A: We have asked to find out which statement is not true among the given four statements. The answer to…

Q: 2. Draw the structural formula for the alkenes with molecular formula C5H10 that will react to give…

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Q: Analyze the "C NMR spectrum for the CHCl compound shown below and determine a structure, Assign all…

A: The NMR spectra helps us to understand the structure of unknown organic compound.

Q: What mass of iron in the nail reacted with the water?

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Q: What does a double bond consist of? none of the other choices is correct. b. Two sigma bonds c. Two…

A: Answer are as follows:

Q: Analyze the "C NMR spectrum for the CHCI compound shown below and determine a structure. Assign all…

A: The Index of hydrogen deficiency helps us to get an idea about the no of double bond or rings may…

Q: A medical technician is working with the four samples of radionuclides listed in the table below.…

A: Answer: In this question we have to relate the radioactivity of the material with half life of the…

Q: Practice Exercise At 1280°C the equilibrium constant (K) for the reaction Br2(g) 2Br(g) is 1.1 x…

A: Answer: Value of equilibrium is always equal to the ratio of molar concentration of products and…

Q: Complete and balance each of the following aqueous reactions: OH + НОCN а. (ад) (аq) b. CH,COOH +…

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Q: What the "fractional saturation, YO2"? Please use more than 100 words.

A: Fractional saturation :  An experimentally more useful quantity is the fraction Y of protein with…

Q: Use the following information to calculate the standard enthalpy of formation of NO>(g) at 298 K?…

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Q: Calculate the theor of the KNO 2NH3 > 3H2 + N2 If 20.5 g of ammonia react, how many grams of…

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Q: Draw the Lewis structure and geometry shape for CH2F2 Don't forget to show the number of available…

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Q: QUESTION 21 Consider the solubility of BaSO 4. If Ba(NO 3) 2 is added to the solution, the…

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Q: 20.0 mL water sample was titrated with 0.0100 M EDTA solution that required 14.50 mL for CaCO3…

A: Here we have to determine the hard ness of hard water interms of CaCO3 if 20 mlbof hard water sample…

Q: CH3 CH;CHCH,CHČHCH3 1. CH3 CH3 „CH,CH3 `CH,CHCH3 ČH3

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Q: Question card 3 1. What is the selectivity and specificity of an identification reaction in…

A: Selectivity means that the technique detects the unknown sample, not conclusively. Specificity means…

Q: Consider the reaction: Cu2+(aq) + 4NH3(aq) 2 Cu(NH3)4²*(aq) Kf= 1.7x 1013 What is [Cu2*] remaining…

A: Answer: This question is based on the equilibrium concentration of an ion due to dissociation of a…

Q: 19.) Which of the following exothermic reactions has a magnitude of the enthalpy of reaction lower…

A: We know that -> ∆H = ∆U + ∆ngRT ∆H = enthalpy of reaction ∆U = internal energy  ∆ng = ng(product)…

Q: Consider a buffer solution that contains 3.87 M KClO2 which has a Ka value of 0.011 and 5.69 M…

A: Answer: Buffer solution is the type of solution that resists the change in its pH on adding small…

Q: Concentration of hydrochloric acid (M) 2.07 Concentration of sodium hydroxide (M) 2.09 Calorimeter…

A: The balanced equation for the neutralization reaction of HCl(aq) and NaOH(aq) is: HCl(aq) + NaOH(aq)…

Q: Calculate AG for the following reaction at 25°C: H20(1) → H20(g) kJ/mol

A: Calculate ∆G° for the given reaction--->

Q: Zn(s) + 2HCI(aq) ZNC12(aq) + H2(g) + 153kJ For this reaction at 25°C, · Change in enthalpy: [ Select…

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Q: Differentiate aldehydes from ketones based on chemical structure.

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Q: Find the number of millimoles of solute in 3.0 L of 3.76 x 10-3M KMnO4

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Q: A butane gas has an Energy density of 28.66 kJ/mL. Calculate the heat of combustion of Butane if the…

A: Answer: Given data: d=0.5788g/mLM=58.12g/mol E=28.66kJ/mL

Q: Using at least one pair of cations and anions to explain the structure and formation of hydrated…

A: Given: Hydration of Cations & Anions:

Q: Show how the compound can be prepared from acetylene and alkyl halides with four or fewer carbon…

A: The preparation is as follows:

Q: b) он Ме Me H,C CH3 но

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Q: The more methyl groups on the carbocaticn the less stable is the carbocation intermediate. Select…

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Q: Please write a balanced reaction between benzhydrol (diphenylmethanol) and NaHCO3.

A: Here we are required to write the balanced reaction between benzhydrol and sodium bicarbonate

Q: Even assuming the molecule below is planar, it would still be classified as non- aromatic. Why?…

A: ->For Aromatic compounds the following conditions must satisfy It must be planar  It must be…

Q: 2. Using the average molarity in #1, determine the total hardness of water sample used in the…

A: Using 1,MEDTA=MCaCO3VCaCO3VEDTA

Q: Consider the decomposition of liquid benzene, C6H6 (), to gaseous acetylene, C2H2 (g) C6 H6 (1) →…

A: a) When a chemical reaction is reversed, the sign of enthalpy change of reaction also get reversed…

Q: The ionization constant (Kb) of pyridine (C5H5N) is 5.62 x 10^-4. If 11.3 grams of sample of…

A: Given data :

Q: 100.0 grams of sodium sulfate reacts with 50.00 grams of barium nitrate. a) What is the balanced…

A: Sodium sulfate react with barium nitrate to produce sodium nitrate and barium sulphate.

Q: Starting with the following equation, Fe₃O₄(s) + CO(g) → Fe(l) + CO₂(g) calculate the mass in grams…

A: Weight of Fe = 575 gm

Q: e limiting reagent

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Q: NH HO

A: Acid reacts with an amine to give an amide.

Q: Which statement best applies to the concept of corrosion Corrosion involves the reduction of a metal…

A: Answer: When a pure metal substance reacts with another substance and loses its natural forms, then…

Q: 3. Draw a Newman projection (staggered) viewing from C2-C3 of  (a) 3-methyl-2-butanol (b)…

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Q: 2. Determine the molecular formula of a compound with an empirical formula of NH2 and a formula mass…

A: Note : Since you have posted multiple questions, we are entitled to answer the first only. Please…

Q: Given the following data, calculate the lattice energy of potassium iodide, KI. IEK = 418.8 kJ mol1…

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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.