Describe any patterns observed in ΔH for the chloride salts. Is there a periodic trend in DH for the Group I chloride salts? Describe the trend.

Q: Which reasoning best supports the fact that H2, has a higher melting point than he?  A. The phase…

A: Melting point:  The temperature at which solid changes its state to liquid at atmospheric pressure…

Q: 10. Write out the mechanism (intermediate/transition state) for this reaction. Indicate…

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Q: In Problem Set #4, the equilibrium constant was calculated at 298 K for reaction: N2O4 (g) → 2 NO2…

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Q: A 50.0-mL sample of 0.50 M HCI is titrated with 0.50 M NaOH. What is the pH of the solution after…

A: Answer:- This question is answered by using the simple concept of calculation of pH during the…

Q: A buffer solution contains 800 mL of 0.250 M HF and 800 mL 0.300 M NaF.  Calculate the pH of the…

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Q: Which statements is true about esters? They are often fragent They are the essential oils in…

A: Correct answer - All of the above

Q: 9) When D-glucose cylclizes to its alpha pyranose form, how many axial hydrogens does it have? a) 3…

A: Draw the D-glucopyranose in chair form to find the number of axial hydrogens

Q: Compare Electron Ionization (EI-MS) and Electro Spray Ionization (ESI-MS)? Please answer at your own…

A: An electron ionization mass spectrometer(EI-MS) is a machine that analyzes samples by measuring it's…

Q: Draw the azodye formed from the amine and coupling components (one mole each) shown below. amine…

A: Azodye formation occurred as intermediate and coupling reactions occurred at last step.

Q: Indicate what will happen when the following organic solvent is mixed with water: ethanol A. Aqueous…

A: When ethanol is mixed with water, two layer is formed.  The one with water is called aqueous layer…

Q: F.31 Provide the IUPAC name for each of the following molecules. (a) 0 (b) OH 0 H (c) N NO₂ N (d) 0…

A: there are certain rule for IUPAC naming-  1- first the longest chain which will have the functional…

Q: 18. Which one of the following reaction steps work best to carry out the transformation shown below?…

A: Solution. 18. A 19. B 20. D Detail solution given below

Q: What trend is there in the speed of an SN1 reaction as you change solvent between ethanol, methanol…

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Q: What is the by-product in the preparation of Aspirin from salicylic acid? A. methyl salicylate B.…

A: Salicylic acid react with acetic anhydride in presence of acid produced Aspirin and acetic acid

Q: Balance the following redox reaction in acidic solution. Br (aq) +MnO₂ (s) Br (aq) + MnO₂ (s) 2+…

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Q: The 'standard' maximum level for entry into a confined space is: O a. 0% LEL O b. 10% LEL O c. 50%…

A: Confined Spaces are inherently dangerous workplaces that exist in a variety of industries. An…

Q: IF6* Lewis Structure (with formal charges) VSEPR Shape Hybridization of central atom Bond types with…

A: Answer:- This question is answered by using the simple concept of writing the Lewis Dot structure,…

Q: I need the calculation part. I get the theory

A: Here we are required to prepare a 100 mL buffer solution having a pH of 5.50, from sodium acetate…

Q: H₂CC=CH₂ H₂C-CH3 The correct name for the compound given above is which of the following?…

A: We have to write the IUPAC name of this compound.

Q: Use the References to access important values if needed for this question. Use standard reduction…

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Q: ΔΙΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔ Which contains. D. CH3 CH - CHCH CH₂ - a chival carbon. D. CH3C-CH,CH3 Ή D.CH,…

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Q: For each molecule shown (1) indicate the most acidic hydrogens. (2) Draw the major resonance…

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Q: A weather balloon is filled with 135.0 L helium at sea level where the pressure is 1.000 atm at 20.0…

A: To solve this problem we will use the combined gas equation  Which is given as  P1V1/T1 = P2V2/T2…

Q: I need help of drawing the Lewis structure for BeF3-

A: Lewis’s structure: Lewis’s bonding theory is based on the octet rule. The Lewis structure is a…

Q: Compound C (1.1 g, F.W. 100) reacted with compound D (3.0 g, F.W. 300) to yield compound A (2.4 g,…

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Q: What mass of ammonium sulfate, (NH4)2SO4 must be added to prepare 400.0 g of a 7.0% solution of…

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Q: What is the equilibrium concentration of chloroacetic acid, HC₂H₂O₂Cl, in a solution prepared by…

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Q: What is the pH of a buffer made by combining 181 mL of 0.34 MNaC₂H3O2 with 170 mL of 0.28 MHC₂H302?…

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Q: The heat of fusion AH, of ethyl acetate (C4H8O₂) is 10.5 kJ/mol. Calculate the change in entropy AS…

A: we have to calculate the change in entropy

Q: One step in the refining of titanium metal is the reaction of FeTiO3 with chlorine gas and carbon.…

A: In a balanced chemical equation, the number of atoms of elements on both sides of the equation must…

Q: Sketch the molecular orbital diagram for the ground state of carbon monoxide, determine the bond…

A: we have to draw the Molecular orbital diagram for CO molecule and find its bond order  We have to…

Q: A radioactive substance decays according to A = Age-0.0049, where Ao is the initial amount and it is…

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Q: 1) How are the half-cells connected and what is the purpose? 2) Explain what is the composition of…

A: A Galvanic electrochemical cell is typically made up of two half cells and a salt bridge. Each half…

Q: The reaction below has a Kc value of 88.2. If A and B each have an initial concentration of 0.689 M,…

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Q: What is the calculated value of the cell potential at 298K for an electrochemical cell with the…

A: Recall the given cell reaction,                                  Cl2 g  +  Fe s  →  2 Cl- aq  +…

Q: Name the following groups. CH₂CH₂CH₂CH₂CH₂- CH3- CH3CHCH₂- CH3 Submit Answer Retry Entire Group…

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Q: Provide balanced equations for the following: 1)___C7H14 + 0₂ _CO2+ __H2O Type here to search KO₂ +…

A: Given : unbalanced reactions  Tip : multiply with smallest whole number, on less number of atom side

Q: which of the following molecules have a lone pair electrons and/or non identical central bonds?…

A: Lone pair electrons - Electrons pair which do not take part in bond formation known as lone pair…

Q: What is the calculated value of the cell potential at 298 K for an electrochemical cell with the…

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Q: 2C₂He (9)+702(g) → 4CO2(g) + 6H₂O(g) AH=-2855.4 kJ and AS = 92.7 J/K The standard free energy change…

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Q: Which atom will most likely be surrounded by a red contour (high electron density) in an…

A: Given : structure of pyridine  Tip: atoms having lone pair of electron are surrounded by high…

Q: What must be present in monomers when they react in an addition reaction to create polymers?…

A: To solve this problem we have to know about the formation of polymer .

Q: What quantity in moles of precipitate will be formed when 45.1 mL of 0.250 M AgNO₃ is reacted with…

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Q: Butane (C4H10)(C4H10) and dry air are fed to a combustion reactor at a steady rate of 45.9 mol/s45.9…

A: Given :-  Combustion steady rate of butane = 45.9 mol/s Combustion steady rate of dry air = 2500…

Q: Rank the order of acidity from the most acidic to the least acidic for the following acids: sulfuric…

A: Sulfuric acid is an inorganic acid whereas salicylic acid and acetyl salicylic acid are organic…

Q: A What is the mass percent of potassium chloride when 9.35 grams of potassium chloride is mixed into…

A: Given : mass of KCl = 9.35 g               Mass of water = 162.98 g

Q: b. + HBr + HI H₂O H₂SO4

A:

Q: Which of the following from the list are natural polymers? Proteins, wool, starch, polyester,…

A: We are provided with some polymers and we need to find the natural polymers among them. Natural…

Q: a) propose an outline of a possible mechanism for the conversion of a to b. provide illustrations as…

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Q: Macmilla electron configuration for Ga: electron configuration for P: electron configuration for S:…

A: Afbau's principle shows that the electrons are filled up from low energy orbital to high energy…