Question 19 How many carbon atoms are there in 0.500 mole of C₂H6? 24.09 x 10E23 C atoms 6.023 x 10E23 C atoms O 3.011 x 10E23 C atoms O 12.05 x 10E23 C atoms

Q: Which of the reactions are exothermic? 2 Mg(s) + O₂(g) →→→ 2 MgO(s) NH3(g) + HCl(g) →→→ NH Cl(s)…

A: For exothermic reaction ∆H is negative and for endothermic reaction ∆H is positive

Q: Problem IV: Reaction on Benzene Propose a synthesis for this compound starting from benzene: que…

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Q: Consider the titration of 80.0 mL of 0.0200 M C6H5NH2 (a weak base; Kb = 4.30e-10) with 0.100 M…

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Q: Curved arrows are used to illustrate the flow of electrons. Follow the curved arrows and draw the…

A: To solve this problem we have to draw the major product of the given reaction.

Q: Alkenes can be converted to alcohols by hydroboration-oxidation. (a) Draw the structure of the…

A: Here we are required to predict the product of the reaction.

Q: Based on the type of electrolyte and concentration of the soulution, calculate the ion concentration…

A: The ion concentration in solution depends on the number of cations and anions it forms in solution…

Q: Provide the correct IUPAC name for the compound shown here. Ọ CH, CH,CH, I H₂C-C-C-CH-CH₂-CH3 I…

A: IUPAC RULE- 1-For writing name of the structure, we keep mind that longest chain of carbon.…

Q: Determine the [OH−] , pH, and pOH of a solution with a [H+] of 6.0×10−5 M at 25 °C. Determine the…

A: pH, pOH are related through the below formulas: pH + pOH = 14 (or) pH = 14 - pOH (or) pOH = 14 - pH…

Q: Calculate the de Broglie wavelength (in angstroms) of a hydrogen atom traveling at 192 m/s which is…

A: We have a hydrogen atom travelling at speed 192 m/s, we need to calculate the de Broglie wavelength…

Q: Suppose a certain fertilizer has the following composition: ingredient ammonium phosphate…

A: Let us consider the mass of total mixture is 100 gram. Ammonium phosphate ,(NH4)3PO4 is present 14%.…

Q: Part A Give the mechanism including the transition state. CH₂CH, -CH₂CI ΔΠ SN2 OCH Draw all missing…

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Q: Emmett, a sophomore chemistry major, was trying to separate an unknown mixture.  His instructor told…

A: Here we need to identify the functional group present in fraction 1, fraction 2, and fractions 3…

Q: [References] What mass of HNO3 is present in 345.0 mL of a nitric acid solution having a pH of 5.06?…

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Q: Show or hand draw the IR spectrum, The NMR Spectrum and the Mass spectrum for Acetyl Salicylic acid…

A: The structure of Acetyl salicylic acid is:

Q: For the diprotic weak acid H2A, ?a1=2.9×10−6 and ?a2=8.2×10−9. What is the pH of a 0.0650 M solution…

A: Diprotic acid is dibasic acid which has two acidic H+. This will dissociate two times.

Q: *What are the products of saponification (hydrolysis with NaOH the catalyst) of…

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Q: ow many calories of heat (energy) would it take to heat 13.0 g of water from 31.0 °C to 59.0 °C? =…

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Q: Is the following statement true or false? If you think the statement is false, rewrite it to make it…

A: The given statement is-  A laser light is a device that produces intense beam of light of a single…

Q: Select all of the correct statements about reaction quotients and equilibrium constants from the…

A: Reaction quotient and equilibrium constant have the same mathematical expression, but they differ in…

Q: How many grams of NO are required to produce 145 g of N₂ in the following reaction? 4NH3 + 6NO →→…

A: This can be explained as:

Q: Using this formula, you will explain some of the strange exceptions to the periodic trend of atomic…

A: 1) Atomic radius is the distance from an atom's nucleus to the outermost orbital of an electron.…

Q: The reaction between hydrochloric acid and aluminum produces hydrogen gas and aluminum chloride. How…

A: Given :  Moles of HCl = 7.20 mol

Q: A sample of 2.26  g of plastic polystyrene was dissolved in enough toluene to form 100 mL of…

A:

Q: (J). H H H ZHNGTD + ४

A: This is reaction of ketone with amine.

Q: Determine the equilibrium constant for the following reaction: Ni(OH)2(s) + 2H3BO3(aq) → Ni2+ +…

A: Concept based on equilibrium constant for the sum of two or more chemical reactions. The equilibrium…

Q: The partial pressures of CH4, N2, and O2 in a sample of gas were found to be 143 mmHg, 469 mmHg, and…

A: According to the Raoult law  the partial pressure of any constituent of a solution at a constant…

Q: Macmillan Learning Draw the major organic product for each of the hydroboration-oxidation reactions.…

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Q: 2. Indicate whether each of the following statements is true or false. If you think a statement is…

A: 1) If buckyballs can be woven into fabric, they could be used to create bullet and knife-proof…

Q: The specific heat of a certain type of metal is 0.128 J/(g-°C). What is the final temperature if 305…

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Q: What is the IUPAC name for the molecule shown below? CI O (4R,5Z)-4-chlorohept-5-en-2-yne…

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Q: a. Which element has the largest atomic radius? ONa b. Which element has the largest electron…

A: we have to select the element with  largest atomic radius  largest electron affinity  largest…

Q: (a) If the molar solubility of Cd3(AsO4)2 at 25 oC is 1.15e-07 mol/L, what is the Ksp at this…

A: Molar solubility is represented as moleL mole = massmolar mass Molar mass of Y2(CO3)3 = 357.8384…

Q: Н. С H₂CO CH₂ я 2NH3 Лира OCH₂ 1) Мео + OH NH2 E + F 2) (d) H (f) (c)

A: The product and mechanism of the above reactions are explained below ;

Q: 3. Atomic Orbitals. Which of the following arrangements of quantum numbers do not describe a…

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Q: At STP, what is the mass 13.0 L of methane, CH4? O 27.6 g 16.0 g 0.580 g O 9.31 g

A: Given data :

Q: What is the rate of reaction of sucrose and sulfuric acid? How do you calculate it?

A: The rate of the reaction depends on the concentration of the reactants undergoing the reaction.  The…

Q: The names and chemical formulae of some chemical compounds are written in the first two columns of…

A: we have to determine the major species present when the given compounds are dissolved in water

Q: is this a single displacemnt reactin?

A: Recall the given reaction,                   Ir2SO43  +  3 Mg  →  2 Ir  +  3 MgSO4We have to find…

Q: Ethylene glycol (C₂H6O2; MW=62.06844 g/mol), the main component of antifreeze, must be added to 5.0…

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Q: Select all of the correct statements about reaction rates from the choices below. The lower the…

A: The Answer to the following question is- 1.correct 2. correct 3. correct 4. false 5. correct 6.…

Q: Question 4 Consider the following reaction and answer the questions that follow: MeO OMe…

A: Given that, an intramolecular claisen reaction scheme. We have to give the answers of the following…

Q: Using standard heats of formation, calculate the standard enthalpy change for the following…

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Q: Propose a mechanism from the following structures gro Secuencia 4AB

A: Given reaction can be explained as:

Q: Suppose you performed a similar experiment using an unknown carbonate sample. The pressure and…

A: The answer to the following question is-

Q: In the laboratory, a general chemistry student measured the pH of a 0.589 M aqueous solution of…

A: Given,  Concentration of weak acid, phenol = C = 0.589 M  pH of phenol = 4.997  What is acid…

Q: Question 3 A: Nu Nu B two compounds and answer the questions that follow: Consider the following (a)…

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Q: How many chiral centers are O 5 3 4 2 OH HO the molecule shown below? OH Moving to another question…

A: Chiral carbon: The sp3 hybridized carbon atom that is attached to the four different types of atoms…

Q: 1. Multipr 1. Which of the following alkyl halides is the second most reactive one in a SN2…

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Q: Smallest 1A Largest H2A Li Be Na Mg 3B 4B 5B 6B 7888 K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Rb Sr Y Zr Nb…

A: Atomic radius - It is the distance between nuclei of an atom to it's outer most shell electron

Q: For the word equation below, write the symbolic (skeletal) equation with the appropriate state…

A: