Which of the following compounds could be added to a solution of HCN to create a buffer? HNO3 O CaCl2 O NaCN

Q: The shaded area in the following diagram shows CH₂ CH₂ ? H N-HO -CH₂ C-OH-N Gly 193 H RN O Covalent…

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Q: A salt consisting of the anion of a strong acid and the cation of a strong base yields acidic…

A: we have to tell the nature of solution formed by the given salt.

Q: Describe the similarities and differences in the chemical reactions between alcohols and carbonyl…

A: Alcohols and carbonyl compounds are organic compounds that have OH and C=O as their functional…

Q: A 0.1017-g sample of KBrO3 (MW = 167 g/mole) was dissolved in dilute HCl and treated with an…

A: In iodometry iodide ion(I-) reacts with oxidising agent and forms iodine which reacts with sodium…

Q: Five white, 500-mg uncoated ascorbic acid (AA) tablets with an average weight of 0.6100-g were…

A: To calculate the amount of ascorbic acid present in a uncoated ascorbic acid tablet having an…

Q: 88 The illustration to the left represents a mixture of nitrogen (blue) and oxygen (red) molecules.…

A: we need to fill the boxes, using the given illustration and the balanced equation

Q: How many grams of ammonia should be added to 500mL of IM ammonium chloride to give a pH 9? Ka…

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Q: potassium hydroxide (KOH(aq))   KOH( aq)                       K+  (aq)   +…

A: Given, Molarity of KOH = 1 mol/dm3 As we know,  KOH is strong base. It dissociated completely into…

Q: what chemical test is used to distinguish the two? a. bromine b. molisch's test c. lucas d.…

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Q: 2. Calculate the total Entropy change for the decomposition of hydrogen peroxide (H₂O2). Is the…

A: Given-> 2H2O2(l) --------> 2H2O(l) + O2(g)

Q: 4. Use the bond energy from the Data Sheet to calculate AH for burning of Imole of ethyl alcohol,…

A: Given reaction: C2H5OH(l) + _O2(g) → _CO2(g) + _H2O(l) We have to calculate the ∆H for the burning…

Q: 11. Draw full structural formulas for all the isomers of C4H8Br2.

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Q: Use the given standard enthalpies of formation to determine the heat of reaction of the following…

A: Dear student , since you have posted multiple parts questions we will allow to solve only first…

Q: Determine the geometry of the transition metal in the following metal complexes. linear trigonal…

A: Coordination complex consists of central0 metal ion surrounded by molecules known as ligands.

Q: Identify the colligative property? vapor pressure lowering,freezing point depression,boiling point…

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Q: In the case of incomplete combustion, the mass of carbon in the compound is the sum of carbons in…

A: Given, A Compound contains, Carbon, hydrogen and nitrogen mass of the compound = 0.1156 g Mass of…

Q: C. Draw the skeletal structure and give the IUPAC name for each compound. Condensed Structure…

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Q: Calculate for the: 1. Frequency (in units of GigaHertz) for 3.50 mm light 2. Energy (in units of kJ)…

A: (1) Given that -  Light distance = 3.50 mm = 3.50/1000 m  Then, speed of light is -  c = 3×108 m/s…

Q: Identify the conjugate acids and bases in the substances mentioned in question 7(a) above.

A: Conjugate pairs are acids and bases that differ only by a proton (H+).

Q: C-NMR analysis on the molecule hexaphenylbenzene.

A: C-13 NMR of  hexaphenylbenzene.

Q: The ground state electron configuration of phosphorus is... (illustrate in a Condensed format) How…

A: The ground state electron configuration of phosphorus (in condensed format) is

Q: Given the following information, which compound has “nonpolar” molecules (i.e. the molecular dipole…

A: Given that -  F is Fluorine  H is Hydrogen  O is Oxygen  L is Group 5A element with Z>10, means…

Q: 10.38. The following data relate to an enzyme reaction. 10³[S]/mol dm³ 105 V/mol dm³ s-1 2.0 13 4.0…

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Q: Write ths condensed corresponding to the following names. 1. 3-ethyl-5; 5-dimethylectanal 2.…

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Q: Suppose the decomposition of nitrogen dioxide proceeds by the following mechanism: step elementary…

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Q: Consider the molecule, [Co(NH3)2(H₂O)2Cl2]. Identify the number of structural isomers,…

A: A question based on coordination complexes that is to be accomplished.

Q: 8. What is the pH of a buffer solution made with 0.53M benzoic acid with Ka = 6.5 x 105 and 0.478M…

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Q: Analyze the reaction below. HNO3 + H₂S →→S + NO + H₂O Are there molecules that have not been…

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Q: 14.110 Which of the following statements is true regarding the electrolysis of molten NaCl? Choose…

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Q: A solution is prepared by mixing 50.0 mL of 0.50 M Cu(NO3)2 with 50.0 mL of 0.50 M CO(NO3)2- Solid…

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Q: M. Id: Svetion, Q.1) In the first order reaction of dye' with NaOH solution at 25 C, when 4 ml of…

A: #1: Given the half-life of the reaction, t1/2 = 11 minutes Recorded absorbance after 4 min = 0.635…

Q: A spherical object has a specific gravity of 4.05 and a radius of 1.16 cm. After this object is…

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Q: CH3(CH2)4Br

A: The name will be hept-1-ene

Q: Determine the freezing point depression of a solution that contains 30.7 g glycerin (C3H8O3, molar…

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Q: Direction: Combine the elements from column 1 and row 1. Give the Chemical formula formed using…

A: Valency is the combining capacity of any particular element or radical. If the valency of an atom is…

Q: - Draw the correct monomeric structure for poly(methyl-a-cyanoacrylate) using the ook's method of…

A: The answer is given below

Q: Use the bond energy from the Data Sheet to calculate AH for burning of 1mole of heptane, C-His Show…

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Q: Titanium(IV) and vanadium(V) form colored complexes when treated with hydrogen peroxide in 1 M…

A: According to Beer's law, the absorbance of a mixture is sum of each component represented as, A =…

Q: In the dreaded Zephyer galaxy there is a race of Fairies that have the ability to change their body…

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Q: AHneutralization = -851.5kJ/mol AHormation = -283.5kJ/mol AHassociation = +213.5kJ/mol AHformation…

A: Dear student , since you have posted multiple questions we are allowed  to solve only first question…

Q: Question Calculate the solubility for N-Phenylsuccinimide at 152 to 154 melting point with 1 g?

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Q: 10. Answer the following briefly: A. What class is the hydroxyl group (-OH) used in? B. What does -X…

A: Organic compounds can be defined as substances in which carbon atoms are either attached to…

Q: Consider the following titration curve for the titration of maleic acid with 0.10 M NaOH. How many…

A: Maleic acid HOOC-CH2=CH2-COOH is titrated with 0.10 M NaOH solution.We have to tell - The number…

Q: A spherical object has a specific gravity of 4.05 and a radius of 1.16 cm. After this object is…

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Q: Fluorometry is more selective and more sensitive than absorption spectrometry.Tell what is meant by…

A: Sensitivity: It is relatively easy to detect lower level of light from fluorescent emissions than…

Q: Acid rain is formed by reaction between SO3(g) emitted by industries and water vapor. Assuming that…

A: Given that -  Volume of acid rain = 1 L = 1000 mL    The Reaction of sulfur trioxide with water…

Q: How many grams of Ag2CO3 will precipitate when excess (NH4)2CO3 solution is added to 74.0 mL of…

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Q: [Fe(CN).]4- Consider the metal complexes shown below. Identify the d-electron count of the metal…

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Q: Write the chemical formula of the following metal complex: diamminetetrachloridoplatinum(IV). Write…

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Q: Is it possible to distinguish the following two molecules on the basis of HR- mass spectrometry?…

A: The mass spectrometry helps us to find the different fragments on basis of different cleavage.

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.