← MasteringChemistry: Chapter 8: X in Dashboard H

Q: ▼ Part E Y Enter the symbols for the ions of sodium and phosphorus. Enter the lons formed by these…

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Q: Question 38 (2 points) In the titration of a solution of sodium hydroxide, an acid titrant was…

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Q: Write the equilibrium constant expression for each of the following reactions and classify the…

A: Homogeneous reaction : If all reactants and products of the reaction have the same phase then the…

Q: The half-reactions and cell reaction occurring during electrolysis of each molten salt.

A: At cathode the process of reduction occur. At anode the process of oxidation occurs.

Q: The image below shows a portion of a ¹H NMR spectrum (ppm). Choose the partial structure that best…

A: By applying 2nI +1 rule  we have : where I = spin of H atom . Then

Q: Like metallic crystals, ceramic crystals can have defects. We want to identify the type of defects…

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Q: 1.) How many minutes will it take to plate out 2.19 g of chromium metal from a solution of cr" using…

A: 1. mass of Cr = 2.19 g  current = 35.2 A    Note : Since there are multiple questions, as per policy…

Q: ||| ELECTROCHEMISTRY Calculating standard reaction free energy from standard... Using standard…

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Q: On step 1 when we need to find g/mol for Co/Cl2, how did you get 129.839 g/mol?

A: Molar mass of CoCl2 can be found out from their elements i.e. using the molecular mass

Q: A concerted, one-step reaction is involved between tert-Butyl bromide and sodium hydride at 50 o C.…

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Q: B. There was big news all over the internet that the Ponkan oranges that were imported from one of…

A: Gas chromatography:       Gas chromatography is an analytical technique used to seperate the…

Q: Which of the following term describes a spectral change is characterized by an increase in the molar…

A: We have to tell among the given terms which one describes a spectral change is characterized by an…

Q: Calculate the amount of heat needed to boil 110. g of benzene (CH), beginning from a temperature of…

A: 110.0 g of benzene C6H6 is started to heat from a temperature of 17.8 °C .We have to calculate the…

Q: Compare the momentum of a photon with a wavelength of 9.7´10-11 m to that of a 142 g baseball with a…

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Q: 79 11 58 73 32 6,63 1.06 6.68 90 03 82 .B7 60 65 60 65 Transmittance [%] 80 85 70 75 下 70 75 80 85…

A: spectroscopic analysis

Q: How many electrons are involved in this conjugated pi-system? Problem viewing the image. Click…

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Q: A 1. Stoichiometry 2. Spikes 3. Ferromagnetism 4. Colloid 5. Hole 6. Nanoparticle 7. Empirical…

A: To match the following .,

Q: 1. What pressure will be exerted by 8.00 grams of helium in a 5000. L flask at 25°C? a. 39.1 atm b.…

A: 1) given, Mass of helium gas (m)= 8.00 g Volume of the flask (V) = 5000. L Temperature (T) = 25°C =…

Q: Would [H+} be the same as Ka in this case?

A: To calculate the [H+] , we use the following relation:  pH = - log[H+]  or, [H+] = 10-pH

Q: OR A certain amount of a radioactive substance was observed to be of mass M at time T and of mass m…

A: Given data: mass of radioactive at time T is M (initial mass ), Again after some radioactive decay…

Q: A sample of HI was placed in container and the following reaction was allowed to come equilibrium.…

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Q: 4. Sodium sulfate is allowed to react with an aqueous solution of barium chloride. How many grams of…

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

Q: ||| An unknown has the formula C H₂O. The IR spectrum of this substance has a strong vibration near…

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Q: Barium sulphate forms as a precipitate in the following reaction: Ba(NO3)2 + Na2SO4 = BaSO4 +…

A: The balance chemical reaction :  Ba(NO3)2 + Na2SO4 ---> BaSO4 + 2NaNO3  Mass of Ba(NO3)2 = 35 g…

Q: 3-pentene-2-one =1.(ch3ch2ch2)2culi 2.h30+= 4-methylpentane nitrile 1.LiAlH4 2.H2O=…

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Q: 20.00 g of cyclohexanol is massed out and 3.00 ml of concentrated phosphoric acid is added as a…

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Q: According to the following reaction, how many moles of phosphoric acid will be formed upon the…

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Q: Draw the condensed structural formula, or line-angle formula, if cyclic, for each of the following:…

A: For :  a) trans - 2,3-dichlorohex-2-ene.  b) 4-ethyl-1-cyclopentene.  Condensed structural formula =…

Q: What volume, in mL of 2.0 M sulfuric acid is required to make 450 mL of 0.25 M solution of sulfuric…

A: Given a solution of sulfuric acid having concentration of 2.0 Mwe are asked to calculate the volume…

Q: 2. Construct a curve for the titration of 20.00 mL 0.0250 M selenious acid (H₂SeO3) by 0.0500 M NaOH…

A: #2: Selenious acid, H2SeO3(aq) is a diprotic acid that can donate up to 2 protons.  The Ka values…

Q: What is the pH of a 2.72.7 M solution of HClO4?

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Q: Tn 220215 SCHE-100B-02: Activity X ← C MasteringChemistry: Chapter 8: X x | +…

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Q: * TRANSMITTANCE 100- 68- 20 SAMPLE 4000 3000 2500 HAVENUMBERS 2000 1500

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Q: ● Select the correct IUPAC name for the following molecule: H O 1. (R)-2-ethyl-4-methylpentanal 2.…

A: International Union of Pure and Applied Chemistry (IUPAC). In order to replace the International…

Q: The pH of a chemical solution is given by the formula pH = -log10[H+] where [H+] is the…

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Q: b) c) d) Br CH3-CH—CH₂—C=C-CH₂-CH-CH2-CH3 H CH3-CH I CH3 H CH 3 CH 3

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Q: 3. Provide the major organic product of the following EAS Reaction.

A: Given : structure of reactant EAS reaction happens according to activating group.

Q: Methanol burns in oxygen to form carbon dioxide and water. Part B Calculate AH at 25 °C. AH Submit…

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Q: 31. What is the answer to the following problem to the correct number of significant figures? 0.025…

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Q: Select the two Brønsted-Lowry acids in the equation: HCO3(aq) + H₂O(aq) H₂CO3(aq) + OH(aq)

A: Bronsted-Lowry Acid-Base Theory: According to this theory acid and base can be classified on the…

Q: Use the solubility graph to answer the following question. If 45 g of potassium nitrate is placed in…

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Q: What is the major product of the following Diels-Alder reaction? O A O B سالم C A. B. Problem…

A: Diels-Alder Reaction: The reaction between Diene and dienophile forms an unsaturated six-membered…

Q: 1125 mL of a 0.75 M All solution was mixed with 920 mL of a 0.4 M NaCl solution. What is the [I]…

A: Given,  The molarity of AlI3 = 0.75 M.  The volume of AlI3 = 1125 mL.  The molarity of NaCl = 0.4 M.…

Q: 5. Fill in the boxes with the major organic intermediate and product of the following multi- step…

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Q: A OH B D

A: Here molecular formula is given so first of all we have to find the DBE i.e double bond equivalency…

Q: The half‑equivalence point of a titration occurs half way to the equivalence point, where half of…

A: The balanced equation for the reaction of weak monoprotic acid, HA(Ka = 5.4*10-5) with NaOH(aq) is:…

Q: Lead(II) nitrate and ammonium iodide react to form lead(II) iodide and ammonium nitrate according to…

A: Given, the reaction for the formation of lead(II) iodide and ammoniumnitrate from Lead(II) nitrate…

Q: Calculate the mass of solute required to prepare 4.0 L of 0.50 M aluminum hydroxide.

A: We know that Molarity = Number of moles/ Liter Using this formula we can solve this problem

Q: BALANCE THE REDOX EQUATION IN BASIC SOLUTION CN- + MnO4 → CNO- + MnO₂

A: When balancing the redox reaction in basic solution, balancing the atoms and ions using OH- ions and…

Q: Question 18 In your Solutions lab that you did, when you stirred in an eighth of a teaspoon of salt…

A: Based on solute we can define the solution.