If an ion consists of a single atom, what is the value of the oxidation number of the atom? bigger than the charge of the ion

Q: A chemist is studying the following equilibirum, which has the given equilibrium constant at a…

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Q: If the [A-]/[HA] ratio of a buffer solution changes from 0.25 to 5 upon addition of a strong base…

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Q: For each condensed structural formula, write a line-angle formula.

A: Given : condensed structure of molecules

Q: 애 H3O+ ㅇ H

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Q: The rate constant for the formation of hydrogen iodide from the elements H₂(g) + I₂(g) → 2HI(g)…

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Q: Determine the pH of a solution of ammonia NH3, 0.1 mol.L-¹. What is the concentration pka=9.252 of…

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Q: 1. (10.3- 1.24)/18.43 2. A penny minted after 1982 has a mass of 2.5 g Calculate total mass of three…

A: Density is a measure of the mass per unit volume of a substance. It is typically measured in units…

Q: What are the pKas of the following compounds? Please also order in increasing leaving group ability.…

A: pKa values are determined experimentally , it cannot be told by considering the structure of the…

Q: 8. The reaction of 3-tert-butyl-3-pentanol with hydrochloric acid gave the product shown below,…

A: This reaction is an example of SN1 reaction. The reaction proceeds via formation of carbocation. The…

Q: Calculate the molarity of an NaOH solution from the following titration data. Be sure the answer has…

A: Given: The initial burel reading of NaOH = 15.27 mL The final burel reading of NaOH = 8.32 mL The…

Q: A block has a length of 4.10 cm, width of 2.50 cm, and height of 5.25 cm and weighs 42.735 g.…

A: •Given:- =>Block has a length of 4.10 cm, width of 2.50 cm, and height of 5.25 cm. =>Weight…

Q: The solution in beaker 2 (pH 8) is _________________ times more _________________ (acidic/basic)…

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Q: Part 1 3.75 moles of pyrophyllite, Al2Si4010(OH)2 7.50 Part 2 mol Al 0.400 moles of mica,…

A: Since, Moles is the ratio of mass to the molar mass of that atom or molecules. Thus,

Q: Which of the following would be expected to form hydrogen bonds with water? ethyl methyl ketone…

A: Hydrogen bonds are a type of intermolecular force (IMF) that forms a special type of dipole-dipole…

Q: For the following reaction, predict the major product and draw a mechanism for its formation. Et Me…

A: In epoxide opening in presence of acid first of all protonation of epoxide occur then nucleophile…

Q: Solution X is a 400 mL benzoate/benzoic acid buffer solution with a pH of 3.49. If the concentration…

A: The given solution is a buffer solution of benzoic acid and its conjugate salt benzoate with a pH of…

Q: Why are chelated complexes like [Ni(en)3]Cl2 more stable than non-chelated complexes chelates like…

A: Chelation is a phenomenon that occurs when a bidentate or polydentate ligand has donor atoms…

Q: How many carbon atoms are in 3.2 moles of graphite (a solid form of carbon)?

A: Given,  3.2 moles of graphite.

Q: 2) Determine the volume of the flask, in liters Use Equation editor here to show all your work! You…

A: Note: Since you have posted a question with multiple sub-parts, we will provide the solution only to…

Q: F Calculate the volume in milliliters of a 2.4M zinc nitrate solution that contains 200. g of zinc…

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Q: 5. The chart below lists 4 different "atoms" (A, B, C, D). Tell me what you know about each of them,…

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Q: Complete the following retrosynthesis. Ph 2. 3. OEt 1. 2. H go OEt

A: In this question, we will give missing reagents and intermidiate product to complete the synthesis…

Q: 8. The molar mass of a compound is determined experimentally to be 180 g/mol. If its empirical…

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Q: Identify the major product. Heat ?

A: Given : structure of reactant Tip : 4n+2 system is given

Q: 8. Consider the following reaction: 2Na(s) + Cl₂ (g) 2NaCl(s) a) If 10.0 g of each of the reactants,…

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Q: Give the major organic product of the following reactions. 21 22 23 24 2 -COOH -COOH OH OH NH3 SOCI₂…

A: 21) pentoic acid condensed to form Anhydride by removal of H2O. 22) Acid + alcohol reaction is…

Q: Can you put the amount of CH on each point

A: To put the amount of CH on each point?

Q: int: A pure sample of 238U weighs 238.0 g. What is its mass in amu?

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Q: Question 16 of 28 Give the IUPAC name of the compound below. Br Br

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Q: Calculate the molar solubility (in mol L–1)  at 25 °C of CaF2 in a 0.040 mol L–1  solution of NaF.…

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Q: The structures of 2,2-dimethylpropane and pentane are shown. Η Η Η Η CH3 H3C CH 3 CH3 H surface area…

A: The answer for this problem is provided below in great details within the attached figures.

Q: 1 2 3 4 5 03 Zn, CH₂CO3H DIBAH, toluene H₂O* Ag₂O NH₂OH, H₂O KMnO H₂O* CH3CH₂MgBr H₂O

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Q: What type(s) of intermolecular forces are expected between NOBr molecules?

A: Intermolecular forces are the forces of attraction or repulsion between molecules. These forces are…

Q: At a certain temperature, the equilibrium constant K for the following reaction is 1.6 × 107: H₂(g)…

A: Recall the given reaction,                                H2 g  +  Cl2 g  ↔  2 HCl g…

Q: A prescription calls for 150 mL of 0.5 % w/v prednisolone solution. If 4.0 % w/v prednisolone…

A: We have to calculate the volume of water needed to dilute the prednisolone solution from 4.0% w/v to…

Q: Draw a structural formula for the major organic product of the reaction shown below. + (CH₂=CHCH₂…

A: Gilman Reagents (Organocuprates) acts as a good nucleophile for SN2 reaction. Gilman Reagents also…

Q: ural formulae and isomerism You are provided with sets of spheres and links to represent atoms and…

A: Hybridization in chemistry is the concept of mixing two atomic orbitals to give rise a new type of…

Q: What is the effective nuclear charge of a 3d electron and a 4s electron in an atom of Mn?

A: we have to calculate the effective nuclear charge of 3d electrons and a 4s electron in Mn

Q: CH3 CH3 HBr (1 equiv)

A: The reaction given is addition of one equivalent of HBr to 2,3-dimethylbutadiene.

Q: 5. Mass spectra are provided for two constitutional isomers with the formula C₁0H₁4O. Predict the…

A: Mass spectrum can be explained as a graphical form of representing molecular weights of fragments…

Q: What is the pH of the solution at the equivalence point, when Julianna has added 20.00 mL of the…

A: The reaction of methyl amine and HCl is, CH3-NH2 + HCl →CH3NH3+ + Cl- We need to find pH of the…

Q: Show complete calculations for each question below. Use the following page if you need additional…

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Q: What happens with the reactant which donates electrons during a redox reaction? It is oxidized. O It…

A: Oxidation reduction reaction (Redox reaction) It can be defined as the chemical reaction in which…

Q: Reaction 2 1. Calculate the change in temperature for reaction (2). 2. Calculate the energy released…

A: Note: Since you have posted a question with multiple sub-parts, we will provide the solution only to…

Q: Question 24 of 28 Fill in the blanks: Write the letter of the pair of compounds that illustrates the…

A: We have been asked two questions about isomers.In one question, we have been asked to identify…

Q: Hint: The symbol for one of the stable isotopes of sulfur can be written: 34S. How many protons,…

A: As we know, in case of neutral atom  # of protons = # of electrons= atomic number (Z) # of protons +…

Q: Solve for the standard heat of the ff reaction @ 298K.

A: Since, The standard enthalpy of the formation is defined as change of enthalpy of 1 mol of the…

Q: 5. Suggest a reason why the covalent radius of germanium (122 pm) is almost the same as that of…

A: The size of an atom depends on the attraction between nucleus and outermost electrons. In the…

Q: Propose a synthesis for each of the following. Show the intermediate step products. If a problem has…

A: The following transformation involves multiple steps.  A. Here, alkyne to alkene followed by…

Q: The following materials are reacted together according to the equation below 5.00 moles of KReO4…

A: The given reaction is :  2 KReO4 + 7 H2S + 2 HCl → Re2S7 + 2 KCl + 8 H2O given moles :  1) 5.00…