Question 18. The 'H NMR spectrum of P(CH3)3 is expected to show: (C) a singlet (D) a triplet (A) a binomial decet (B) a doublet

Q: QUESTION 2 Use the standard reaction enthalpies given below to determine AH°rxn for the following…

A: Since,According to Hess's law change of enthalpy in a chemical reaction is same regardless of…

Q: 2. A student performed the experiment as described, using 5.00 mL of an aqueous 3.00% H₂O2 solution,…

A: 2. a.) We need to use conversion factor between inch and mm to calculate pressure in mmHg. b.) Using…

Q: If you find that a 69.8 mL sample of vinegar requires 120.31 mL of a 0.504 M solution of NaOH for…

A: To calculate the amount of acetic acid in the vinegar sample, we can use the following balanced…

Q: Can you help me with how to do the states of the products (solid, aqueous, or gas) for the periodic…

A: Here are some guidelines to help you determine the states of the products in a chemical reaction:

Q: (b=1.00 cm). Suppose you measure the absorbance of a yellow dye solution in a 1.00 cm cuvette The…

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Q: 5 You are given dropper bottles of the reagents listed below. Describe two ways to prepare a buffer…

A: Answer: Following solutions can be mixed: Formic acid + KOH Sodium formate and HCl

Q: You are getting ready to perform a new experiment in the lab. What are three things you might look…

A: When preparing for an experiment in the lab, it's essential to conduct a hazard assessment to…

Q: Pressure oxygen 765.3 torr Volume water displaced 49.7 mL Temperature oxygen 297 K What is the…

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Q: Start with the condensed structural formula: CH2=CH-CH2-CH2-CH(CH3)2 React it first with H2O in…

A: Answer: It is the combination of two reactions, first reaction is the acid catalyze hydration of…

Q: please make a T-chart   Explain in jot notes special rules or laws to predict predominant products…

A: Here's a T-chart with jot notes of special rules or laws to predict predominant products for both…

Q: Draw a structural formula for the major organic product of the following SN2 reaction. -CH₂Br +…

A: Answer:- This question is answered by using the simple concept of chemical reactions of organic…

Q: Strong-field ligands (such as CN-) stabilise the M2* oxidation state. Reflect on the reason.

A: Strong-field ligands, such as CN-, stabilize the M2+ oxidation state of a transition metal ion by…

Q: Why does H not have a physical state

A: Hydrogen always exist in the form of molecular H2. Not as H in the atomic state. Hydrogen is known…

Q: Which of the following statements are TRUE? (1) Reactions with more negative values of △G0 are…

A: The question is based on the concept of chemical thermodynamics and chemical kinetics. we need to…

Q: 33. The following two isomers of C3H7NO exist in equilibrium with each other in solution: If Kc =…

A: First, we need to write the equilibrium expression for the given reaction: Isomer 1 ⇌ Isomer 2 Let's…

Q: Acid Base Reaction Consider the following acid-base reaction. HSO4 + CN- = HCN + SO4²- Which…

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Q: If the ?a of a monoprotic weak acid is 5.7×10^−6, what is the pH of a 0.27 M solution of this acid?…

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Q: Calculate the pH in the titration of 100.0 mL of 0.20 M HCIO (Ka = 4.0 × 10^-8) with 0.20 M KOH…

A: Answer: This question is based on salt hydrolysis where salt of weak acid and strong base gets…

Q: The Ka of hydrofluoric acid (HF) is 6.8*10^-4. What is the pKa

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Q: Identify the isomeric relationship between each pair of molecules below. The options are:…

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Q: What is the pH of the solution with the following analytical concentrations: a) 0.0650M in H3PO4 and…

A: Answer: Buffer solution is a type of solution that resists the change in its pH on adding small…

Q: Liquid hexane (CH₂(CH₂) CH₂) v will react with gaseous oxygen (0₂) to produce gaseous carbon dioxide…

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Q: Answer the questions in the table below about the shape of the sulfur pentafluoryl (SF) cation. What…

A: We have to tell the shape of SF5+ and smallest bond angle

Q: Which ion is unlikely to exist?? Se2-, Rb2+, Ca2+, Br-, As3-

A: Given Se2-, Rb2+, Ca2+, Br-, As3-

Q: Sketch rough graphs of Y and of 4² for the n = 7 and n = 8 particle-in-a-box states.

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Q: Draw the product of this series of reactions. 1. 1 equivalent of NaNH₂ 2. CH₂CH₂Br 3. H₂/ Lindlar's…

A: Organic reactions are those in which organic reactant react to form organic products. In the given…

Q: An aqueous solution of a weak base, B, has a concentration of 0.110 M and degree of hydrolysis of…

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Q: (i) H3O+

A: Given that, a reaction scheme is shown below We have to propose the mechanism of the above…

Q: Define the specific gravity of a solution. What are the units for specific gravity?

A: Specific gravity of solution is relative density of any solution.  Absolute density is mass per unit…

Q: A sample of solid Ca(OH)2 was stirred in water at a certain temperature until the solution contained…

A: Solubility product is a product of the concentration of ions with the power when the solution is…

Q: Question 2 of 5 A reaction proceeds according to the following equation: A+ 4B 3C+6D What is the…

A: Since, When we write rate law, we keep in mind that, Rate is equal to rate of appearance of reactant…

Q: If AH-2040 kJ-mol-1 and ASn +103 J.k-1.mol-1 for the reaction, C₂Hs (g) +502(g) →3CO₂(g) + 4H₂O(g)…

A: The question is based on the concept of chemical thermodynamics. we need to calculate entropy change…

Q: Please answer this question asap I will rate you for sure.     Write the balanced total ionic…

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Q: Consider the malate dehydrogenase reaction from the citric acid cycle. Given the listed…

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Q: The balanced net ionic equation for the neutralization reaction involving equal molar amounts of HCl…

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Q: What is the volume of 27 mol of CH4 gas at STP?

A: The question is based on the concept of ideal gas equation. we need to calculate volume of given…

Q: At a certain temperature, 0.980 mol SO, is placed in a 2.00 L container. 2SO3 (8)2SO₂(g) + O₂(g) At…

A: Given, 2SO3(g) ⇌ 2SO2(g) + O2(g) Initial moles of SO3 = 0.980 mol At equilibrium moles of O2 = 0.130…

Q: QUESTION 13 Use the AH°f and AHxn information provided to calculate AH°f for IF: IF7(9) + 12(g) → IF…

A: Note: As per the guidelines solution of question 13 has been made. For the expert solution of other…

Q: Give detailed Solution with explanation needed

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Q: Several students perform an esterification reaction to symbesire aspirin. The table below shows the…

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Q: groups in aspirin absorbing at different wavenumbers? 3. Below is the NMR spectrum of aspirin with…

A: The question is based on the concept of organic spectroscopy. we need to analyse and interpret the…

Q: The indicator methyl orange changes color from red to yellow-orange at pH=4. Another indicator,…

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Q: 10. If 223.0 mg of AgBr is completely dissolved in 184.0 mL of 0.14 M NH3, what is the equilibrium…

A: Given, The mass of the AgBr = 223.0 mg The concentration of ammonia (NH3) = 0.14 M The volume of the…

Q: What is the significance of the experiment for Silver Nitrate and Potassium Chromate Reaction and…

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Q: Which of the following is always true about a unimolecular reaction? (A) The activation energy is…

A: The question is based on the concepts of chemical kinetics. unimolecular reaction is the reaction in…

Q: At 400 K oxalic acid decomposes according to the reaction: H_C,O,(9) CO.:(9)+HCOOH(g) In three…

A: The given chemical reaction is H2C2O4(g) →CO2(g) + HCOOH(g)

Q: Suppose 8.0 g of Compound A are consumed in a rection with excess 2.0 g of Compound B that produces…

A: Given data :  Mass of compound A = 10 g  Mass of compound B = 2.0 g

Q: This question has multiple parts. Work all the parts to get the most points. Write the IUPAC name…

A: IUPAC name of any compound consist of three parts that is prefix, word root and suffix.  Prefix…

Q: The following reaction 2H2S(g)⇌2H2(g)+S2(g),Kc=1.67×10−7 at 800∘C is carried out at 800 ∘C with the…

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Q: An unknown compound has the following chemical formula: PbOx where x stands for a whole number.…

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