What is the pH of the buffer 0.12 M Na₂HPO4/0.21 M KH₂PO4?

Q: Calculate the volume (mL) of 1.48 M H₂SO4 necessary to react completely with 1.264 g Fe2O3 according…

A: the molarity of any solution is defined as the ratio of the number of moles of the solute to that of…

Q: 12) In a reaction described by the equation: 2 CH₂O(g) + 3 O₂(g) → 2 CO₂(g) + 4H₂O(g), the rate of…

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Q: 1) DCC 2) LiAIH4 3) H2O CH3 N.

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Q: 17) Complete the following reaction by filling in the necessary reagents. You may not need all 5…

A: The conversion of the given alkene to the ketone involves the following steps.

Q: If 25.0 mL of 12.0 M HCl is diluted with water to a volume of 500 mL, what is the molarity of the…

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Q: Draw the products of this Diels-Alder reaction: +

A: This question belong to Pericyclic reaction that is Diels-Alder reaction. Diels-Alder reaction:…

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A: The above given reactions are electrophilic  aromatic substitution reaction. The substitution…

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Q: 9. Which of the following choices represent a pair of resonance forms? A) CH2 B) O D) OH H-C -H -C…

A: Resonance is the delocalisation of electrons and resonating structure contributes only movement of…

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Q: b Write a formula for the conjugate base formed when the following behaves as a Brønsted acid: H₂S

A: Acid and Base: Acid: acids are proton (H+) donor. Base: bases are proton (H+) acceptor. Conjugate…

Q: 2. A)Balance the following oxidation-reduction reaction using the method of half-reactions. Bi(OH);…

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Q: A Chem 1225 student needed 28.5 mL of potassium hydroxide solution that she prepared to titrate…

A: Given, Note: formula of KHP (Potassium hydrogen phthalate: KHC8H4O4 mass of KHP = 0.294 g Volume of…

Q: Suppose a 250. mL flask is filled with 1.6 mol of NO3 and 0.10 mol of NO. The following reaction…

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Q: 9,0 H-O S-0-0-S - F

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Q: Determining pH in different samples Vinegar Ammonia Lemon Juice Shampoo Detergent Hair conditioner…

A: Acid: 0-6.9 Neutral: 7 Base: 7.1-14

Q: 2. Assign the R or S configuration to each chiral center in the molecules below. CH₂OH H₂C- _H =CH₂…

A: R/S descriptor  is used to determine absolute configuration of chiral center. To determine R/S ,…

Q: Construct a structure of the given 1H NMR data signals. A.  C4H11N 0.94 δ (3H, triplet) 1.50 δ…

A: Greater is the electron deficiency around a proton, higher will be chemical shift value.  Splitting…

Q: An unknown weak acid with a concentration of 0.090 M has a pH of 1.80. What is the Ka of the weak…

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Q: A2. For the following reactions, state whether AH will be significall indicate whether AH will be…

A: For the oxidation of solid naphthalene (C10H8) with gaseous O2 to solid phthalic acid (C6H4(COOH)2):…

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Q: Which statement best describes orbital overlap? Select the correct answer below: The direction of…

A: To solve this problem we have to know about the orbital overlap .

Q: Consider the system of sulfur dioxide, sulfur trioxide, nitrogen dioxide and nitrogen monoxide.…

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Q: TA-Conta... Disney Movie Club Ho... phol Reactions i Be sure to answer all parts. Draw a stepwise…

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Q: Mel Ph -Br ~ F 2 3 Br 4 Ph · Cl

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Q: The image below shows the free energy diagrams for four different reactions (A, B, C and D), each…

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Q: Which structure is not aromatic? N

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Q: is the maximum mass of S, that can be produced by combining 79.0 g of each reactant? 8 SO₂ + 16H₂S…

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Q: Use the photo as a guide to answer these questions: A. Find the mean molar mass determined by these…

A: To find out the statistical terms from the diven chemical data

Q: Provide the (i) IUPAC name, (ii) condensed formula and (ii) molecular formula for the following…

A: The IUPAC name of a compound is a systematic name that provides a unique and unambiguous…

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Q: Provide a synthesis for the target molecule shown below, starting with an alkyl halide or alcohol of…

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Q: [Review Topics [References] Draw structural formulas for the diene and dienophile that combine in a…

A: This question belong to Pericyclic reaction that is Diels-Alder reaction.  Diels-Alder reaction:…

Q: 10) Consider the following reactions and their associated equilibrium constants: A + 2B C K₁ K₂…

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Q: Sketch a diagram showing d-orbital splitting and occupation of  [CuCl4]2–

A: Since, In coordination complexed, splitting of d-orbital into t2g and eg orbital. Thus,

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Q: d) Doppler broadening is a source of line broadening in the flame of an atomic absorption…

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Q: Determine the Ka for a weak acid by constructing an ICE table and using this information to…

A: Given: Moles of HA = 0.030 mol Volume of solution = 2.0 L Equilibrium concentration of HA = 0.013 M

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A: Check the products on both sides. Then write down its phases using the solubility rules.

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Q: 12. Which of the following pairs of compounds are constitutional isomers? A) B) C) D) CH3CH₂OCH₂CH3…

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Q: Give the common name for the amine 1-pentanamine.

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Q: 500 g of sulfur trioxide react with excess water to produce sulfuric acid H₂SO4 in the reaction…

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Q: 10. Which of the following DOES NOT represent the appropriate hybridization state of the carbon…

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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.