Identify the modes of catalysis and when / why they occur • Acid-base • Covalent • Transition state stabilization

Q: 6. When the phenol shown below is treated with KOH, it forms a product whose IR spectrum does not…

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Q: An aqueous solution at 25 °C is 13.6% HNO3 by mass and has a density of 1.048 g/mL. What is the pH…

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Q: The amino acid glycine has been used as a buffer for a number of biochemical experiments. Glycine…

A: Buffer solution: The solution that resists the change in pH is known as a buffer solution. The…

Q: The following reaction has an equilibrium constant, Kc equal to 3.59 at 900 °C. CH4(g) + 2H₂S(g) —…

A: By calculating reaction quotient and comparing with equilibrium constant we can figure out in which…

Q: 57.2 mmol SO3 m(SO3)=

A: 1 mol  = 1000 mmol  So, 57.2 mmol SO3  * 1 mol / 1000 mmol = 0.0572 mol

Q: Part III. Preparation of 50 mL 0.2M CuSO4 solution Materials: CuSO4-5H₂20, weighting paper, spatula,…

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Q: The rearrangement of cyclopropane to propene at 500 °C is first order (k = 6.70x10-4s ¹). (CH₂)3(9)…

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Q: How many moles are there in 17.2 g of FeF 3 : Answer to 2 decimal places and include the unit .

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Q: Draw its Meso-compound, diasteriomer, and/pr enantiomer (wherewver applicable). Give handwritten…

A: A question based on introduction to organic chemistry that is to be accomplished.

Q: . A Malate buffer solution (pKa₁ = 3.51 and pKa2 = 5.03) contains 480.00 mM Malic acid and 640.00 mM…

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Q: Convert 135.5 μg to dg. Write your answer in the textbook below with the correct number of…

A: 135.5 μg. We need to convert 135.5 μg to dg.

Q: A 7.927 gram sample of an organic compound containing only C, H, and O is analyzed by combustion…

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Q: Tungsten undergoes first order decay to yield its isotope, with all reaction components in gaseous…

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Q: Write down the balanced chemical equation for its combustion reaction. Hint: Methane gas reacts with…

A: First, we have to write the balanced equation for methane combustion reaction

Q: A reaction between the substances A and B (3A + 2B2 ⟶ 2C + D) gives the following data:

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Q: Write the empirical formula for at least four ionic compounds that could be formed from the…

A: Given  cation : Fe+2 , NH4+  anion : ClO3- , IO3-

Q: 1. Explain why egg whites and milk are used as antidotes for heavy metal poisoning.

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Q: This is to be used for reference. Scientists ask: What mass of ethylene glycol (C2H6O2, molar mass =…

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Q: The gas phase decomposition of dimethyl ether at 500 °C CH3 OCH3(g) →→ CH4 (9)+ H₂(g) + CO(g) is…

A: Chemical kinetics can be defined as the branch of chemistry that deals with rates of chemical…

Q: For al reaction in which A and B react to form C the following initial rate datter wer obtained [A]…

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Q: Rank the hydrogen on the following compound in order of increasing acidity. (only mark the numbered…

A: Increasing acidity order of compound can be decided based on their nature.

Q: An electrochemical cell is given with a cell reaction of Pb²⁺ + Cd → Pb + Cd²⁺ at 25°C with ion…

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Q: What is the standard cell potential for a galvanic cell made up of Ni and Zn?

A: •Here is electrochemical series is given,in which reduction potential of various metals are given.…

Q: Calculate the mass in kilograms of hydrogen atoms that are in 6578 grams of dinitrogen tetrahydride

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Q: A) Br. B) Br C) Br

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Q: What will be the final temperature of an iron and water mix , after a 44.1 g bar of iron initially…

A: Let the final Temperature be T  The amount of Heat gained by water is given by Q1 = m1S1(T - T1)…

Q: (acidity) Inductive effect (acidity) Atom size (acidity) bonded to the hydrogen (when it was in the…

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Q: Provide the correct systematic name for the compound shown here. CH3 cis-1-ethyl-3-methyl cyclo…

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Q: 1 2 لها Questions How many grams of NaCl are needed to prepare 200 mL of a 5% NaCl solution? A50μL…

A: dilution factor = volume of stock transferred final volume mole = massmolar mass molar mass of NaCl…

Q: Explain the difference between a pure chemistry and an applied chemistry.

A: Chemistry can be defined as branch of science  that deals with chemical composition of…

Q: How do models enhance the scientific method?

A: The concept used in this question is taken from General basic Chemistry. Models are useful tools in…

Q: It takes 5 days for the delivery of 198 Au grains for the implantation in carcinoma of the prostate.…

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Q: What mass of nitrous oxide can be formed from 50.7 g of nitrogen? Express your answer to three…

A: Mass of nitrous oxide can be figure out from the mass of nitrogen reacted.

Q: What is the IUPAC name for the compound shown? How do I differentiate between the ethyl groups and…

A: A question based on nomenclature that is to be accomplished.

Q: 2 Consider the following peptides: (a) Lys-Leu-Met-Phe-Gln (b) lle-Gly-Thr-Asn-Val (c)…

A: We need to find which one of the peptides would have the greatest solubility at pH 1 and pH 14.  The…

Q: Use the integrated rate law to calculate time elapsed. The decomposition of nitramide in aqueous…

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Q: ecide whether each pair of elements in the table below will form an ionic compound. If they will,…

A: An ionic bond is formed between a metal and a nonmetal, while a covalent bond is formed between two…

Q: Why is phthalic acid soluble in water and what type of IMFs are involved in the solubility of it in…

A: Pthalic acid is soluble in water due to the hydrogen bonding of carboxylic acid with H2O molecules.

Q: uestion 4 (2 points) Listen For the formation of one mole nitrosyl chloride, the heat of reaction is…

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Q: Write synthesis of Alizarine and Congo Red

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Q: half-life of 25.3 s. How long does it take for the concentration of the reactant in the reaction to…

A: Given,  Half life time (t1/2) = 25.3 s 1---1/2---1/4---1/8 So, to fall concentration 1/8 it requires…

Q: (a) (b)

A: You have only asked naming of structure (a) & (b). So, I am only answer that part.

Q: Determine the most likely charge on an ion from an element in group 15 (the group headed by…

A: We are required to determine the charge on an ion from an element in group 15

Q: If salicylic acid dissociated into two particles when dissolved into myristic acid (it does not),…

A: The expression for calculation of van't Hoff factor is given by ;                                α…

Q: Ten cubic feet of air at 70°F and 1.00 atm is heated to 610°F and compressed to 2.50 atm. What…

A: Ideal gas law  equation is the equation which obeys gas law under all conditions of temperature and…

Q: Hydrocarbon Structure Activity Part I: Hydrocarbon Structures and Names. INSTRUCTIONS: For each row…

A: With the help of the given hints in the above boxes, we can the rest of the boxes as;

Q: Rank the following compounds from most acidic to least acidic. Rank the compounds from most acidic…

A: Given following species for arranging acidic order:

Q: Choose the correct reason why an electron in a d-orbital cannot make a transition into an s-orbital.…

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Q: Chemistry A technician in a hospital laboratory obtained a 5.0 mL sample of gastric juice taken from…

A: Answer: Gastric juice contains HCl acid, therefore this question is based on acid-base titration.

Q: 5. Rationalize the difference in the atomic and ionic radii of the following species: a) Se (117 pm)…

A: Given that  The atomic radius of Se = 117 pm  The ionic radius of Se2- = 198 pm  The atomic radius…