HO HO 识货品说一说

Q: 5. Ethylene oxide, C₂H4O, is a multi-purpose industrial chemical used, among other things, as a…

A: Percent Yield = (Actual Yield / Theoretical Yield) x 100   No. Of moles = No. of Molecules /…

Q: What series of reactions is the best choice to carry out the synthesis below? A. B. C. D. 1. NaNH,…

A: The given reaction involves two major steps.  1. Abstraction of proton from alkyne followed by…

Q: Complete and balance, using the half reaction method in acidic solution, the equation for the…

A: Given reaction is, C2O42- + MnO4 -----> CO2 + Mn2+  Oxidation : The reaction in which Electrons…

Q: a H CI CI .0 H b F F :0: A: Proton (a) is more acidic because of A (atom type and/or size i ARIO) B:…

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Q: CH3 O 11 H5C6-C-CH-CH3 DO™ D₂O O CD3 || | D5C6-C-CH-CD3 O || CD3 | O __II_ID_CD₂ H5C6-C-CD-CD3 O CH3…

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Q: A chemist titrates 150.0 mL of a 0.2900 M benzoic acid (HC H,CO₂) solution with 0.6965 M NaOH…

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Q: Give detailed Solution with explanation needed..give clear and correct answer please

A: Alkanes are potential compounds for formation of different functional groups.

Q: This reactions is a ? A) Oxidation B) Reduction C) Rearrangement D Hydrolysis (uses H,O) E)…

A: Condensation reactions are reactions where two molecules are combined to form a single molecule with…

Q: 7. Draw the conjugate acid for the aromatic compound and predict if the pKa will be closer to 10 or…

A: Conjugate acids are those species which are produced when a Bronsted - Lowery base accepts a proton.

Q: The Fischer projection for linear D-glucose is shown. Fill in the missing H's and OH's for the wedge…

A: In D-glucose, CH2OH is "up" in the Howarth projection. In chiar conformation, CH2OH is placed "up"…

Q: Me Br Me -or- Me Br BI Me

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Q: How do manufacturers of acetylsalicylic acid attempt to prevent the formation of vinegar in product…

A: Acetylsalicylic acid, commonly known as aspirin, can undergo hydrolysis in the presence of moisture…

Q: Balance the following MnO4 (aq) + Fe2+ (aq) → Mn²+ (aq) + Fe³+(aq) oxidation-reduction reaction…

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Q: Br + КОН Д

A: Given organic compound is 2-bromo ethyl benzene and potassium hydroxide. KOH will act as a strong…

Q: Explain the enthalpy and give some example and explain it step by step.

A: Enthalpy of a system is defined as the randomness/movement of the particles in the system.

Q: Write the standard line notation for each cell below. Assume all concentrations are 1.0 M and all…

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Q: Problems: CH₂OH(₂) + O₂(g) → 2H₂D() + CO₂(g) As for the reaction is The value of - 19.3 Cal / mi @…

A: Here is the step by step solution :

Q: Provide a detailed arrow-pushing mechanism that accounts for the formation of the major product in…

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Q: In the study of biochemical processes, a common buffering agent is the weak base…

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Q: It is desired to produce 10.2 grams of sulfurous acid 04,50J) by the following reaction. If the…

A: First calculate the theoretical yield using percent yield and mass. Then convert it into moles to…

Q: Tritium, ³H, is radioactive, decaying by electron emission with a half-life of 12.5 years. In…

A: Moles = mass / molar mass

Q: Calculate whether or not a precipitate will form if 1.00 mL of 0.13 M NH3 are added to 3.2 L of 1.0…

A: Whenever the value of reaction quotient Q>Ksp, this solution becomes oversaturated and…

Q: Predict the major product for the following transformation, and propose a mechanism for its…

A: Ketones having alpha hydrogen atom react with Bromine in acid medium to form alpha bromo ketone.  We…

Q: 2. A compound contains 39.99% carbon, 6.73% hydrogen, and 53.28% oxygen, by mass. a) Determine the…

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Q: Metal cations in solution are composed to H2O molecules and exist as hydrated ions. For example,…

A: moles of Ni(NO3)2 initially taken = 0.00166 mol  Each Ni(NO3)2 has 1 Ni2+(aq).  => moles of…

Q: Calculate the solubility of NiS (Ksp = 4 x 10-20)

A: Ksp of NiS = 4×10-20.

Q: This question has multiple parts. Work all the parts to get the most points. What is the pH of the…

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Q: Draw the saponification of a triglyceride with the following fatty acid chain: Palmatic acid, oleic…

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Q: 2.) 350 g of Calcium Chromate reacts with excess Hydrogen Peroxide. Write a balanced chemical…

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Q: How many moles of base were required to react completely with the acid in this reaction? 0.00221697…

A: Answer:- This question is answered by using the simple concept of stoichiometry which involves the…

Q: C3H5CIO measured in CDCI 3 (¹H-NMR 250MHz) 3.4 3.2 3.0 2.8 2.6 2.4 2.2 H 2.0 1.8 1.6 1.4 312.89…

A: 1 HNMR spectroscopy is useful to determine types of hydrogens, sets of hydrogens, signals, splitting…

Q: Show how you would synthesis the chloride, bromide, and iodide from the corresponding alcohols (a)…

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Q: Consider the titration of a 23.0 mL sample of 0.110 M HC₂H3O2 with 0.120 M NaOH. Determine each of…

A: The question is based on the titrations.  we are titrating a weak acid Acetic acid with a strong…

Q: 1) For which one of the following reactions is AH° predicted to be positive? a. CaCO3(s) →→→…

A: Answer:- This question is answered by using the simple concept of determination of enthalpy change…

Q: Calculate the pH and the pOH of an aqueous solution that is 0.020 M in HCl(aq) and 0.060 I in…

A: A acid is said to be strong acid if it completely dissociates in the aqueous solution.

Q: Metal Metal ion Pb²+ (aq) Re³+ (aq) In³+ (aq) TI¹*(aq) Pb(s) Re(s) In(s) TI(S) Pb(s) Re(s) In(s)…

A: An oxidizing agent is that species which accepts electrons makes oxidize another species. The agent…

Q: 4.) Magnesium metal is allowed to rust slowly in the presence of Oxygen gas. a.) Write a balanced…

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Q: What is the mass percent of water in Ca(NO3)₂ 4 H₂O? Provide an answer to two decimal places.

A: Mass percent: it can be define as the mass of the component in one mole of the compound divided by…

Q: 3) Write the K, expressions for each of the following reactions. a. N2(g) + 3 H2(g) →-→ 2NH3(g) b.…

A: Kc is the ratio of the equilibrium concentrations of product over equilibrium concentrations of…

Q: 1. Play with the value of n. Look at how your dropdown menu options change. How many subshells…

A: The shells and subshells in an atom are represented by n and l respectively, these represents the…

Q: Recognizing common acids and bases Some soluble compounds are listed in the table below. Complete…

A: Types of compounds: 1) Ionic compound - The compounds which are formed by the combination of ions…

Q: 5. A 0.3675 g sample of solid magnesium is burned in a constant-volume bomb calorimeter that has a…

A: The heat given by 0.3675 g of Mg to the calorimeter (q) is calculated using equation (1) where C is…

Q: 1.2 2(i) In the contact process: OH = -197 kJ mol-¹ 2SO₂(g) + O₂(g)2SO3(g) Predict the position of…

A: According to Le-Chatelier's principle when factors like concentration, pressure, temperature, inert…

Q: Write the balanced NET ionic equation for the reaction when CaBr₂ and Na₃PO₄ are mixed in aqueous…

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Q: What is the pH of a buffer prepared by adding 0.809 mol of the weak acid HA to 0.507 mol of NaA in…

A: we have to calculate the pH of solution

Q: ONCAS H Poda 113

A: Amides reacts with POCl3 to form nitriles.  N-substituted amides reacts with POCl3 to form…

Q: OH CH3COOH + (CH3)2NH 1) 2 LIAIH4 2) H₂O* 1) 2 CH₂MgBr 2) H₂O+ A

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Q: . Which of the following aromatic compounds (pyridine or pyrrole) is more basic? Explain.…

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Q: Draw the product(s) formed by heating the compound shown in basic ethanol. NaOEt EtOH Incorrect OH…

A: The question is based on organic reactions.     we need to identify the product formed and explain…

Q: Provide the correct systematic name for the compound shown here. ~

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".