. Under what conditions of AG, AH and AS is the reaction never spontaneous?

Q: Which of the following is not true for the Carnot cycle? (The integral is the path integral over the…

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Q: 22.9 mL of an unknown acid was neutralized by mixing it with 50.3 mL of NaOH in an aqueous solution.…

A: Since the temperature of the solution is increased from 22.0 oC to 35.2 °C, heat is released by the…

Q: Can you answer the question and explain it? With the mechanism  I ONLY CARE ABOUT THE ELIMINATION

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Q: Briefly describe a twin and a twin boundary. Cite the difference between mechanical and annealing…

A: Twin and Twin boundary : A twin boundary is defined as an interface such that the atoms on one side…

Q: For p-toluic and o-toluic, why is their melting point different? (P-Toluic MP: 180 celsius &…

A: P-Toluic MP 180 celsius  O-Toluic MP:103-105 celsius

Q: A 1.5M-labeled HCI solution was standardized against 1g sodium carbonate Na₂CO3 (MW = 105.99 g/mol)…

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Q: Z Br лдви ви -mg Br

A: Here we have to convert benzyl magnesium bromide into styrene i.e vinyl benzene through multistep…

Q: Draw a flow sheet to show how you would separate the components of a mixture containing an acid…

A: Here we are required to draw the  flow sheet to separate the components of a mixture containing an…

Q: Consider 3-methylpentane. Using a Newman projection formula, draw the most stable conformation of a…

A: Given : stain energy. Tip: 1st draw the stable Newman projection. Then see what strain are…

Q: A₂B(g) +B(g) ⇒ A₂B2(g) Kc = 16.4 2A(g) +2B(g) ⇒ A2B₂(g) Kc = 28.2 2A(g) +B(g) ⇒ A₂B(g) Kc = ?

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Q: How are the molecules below related to each other? (Hint: convert each to a partially condensed…

A: Constitutional isomer: same molecular formula and same iupac name of compund...

Q: On a blank sheet of paper. first copy the molecule below, and then please draw the resonanco…

A: Resonance structure: If the Lewis structure of a molecule or ion cannot explain by a single…

Q: 5 The initial concentration of an acetic acid solution is 1.0 M and has a pH of 2.37. CH3COOH H+ +…

A: AS PER ANSWERING GUIDELINES I WILL ANSWER ONLY THE FIRST ONE IF YOU WANT THE REST POST THEM…

Q: 2.Explain why the pKa values of the indicated hydrogen atoms change for these three compounds. 노선 H…

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Q: (a) NC CN (b) + NC CN

A: Diels-Alder reaction: It is a [4+2] cycloaddition reaction between a diene and dienophile to give a…

Q: Part 1: 12.4 µg of K2CrO4 are dissolved in 3.45 g of water. What is the molality of the resulting…

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Q: What mass of precipitate (in g) is formed when 20.5 mL of 0.300 M Ni(NO3)2 reacts with 32.5 mL of…

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Q: A meniscus is "read" at the bottom of the convex curve and can only be reported to one more…

A: In a burette, the readings are such that the volume increases as we go down. It starts from 0.00 mL…

Q: You are diluting down a solution by mixing it with water. You start with a ‘stock concentration’ of…

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Q: Methylamine, CH3-NH₂, is a weak base (pk = 3.36). Which of the following acids is sufficiently…

A: Given that, Methylamine(CH3NH2) is a weak base pKb=3.36 pKa+pKb=14 (at25C) pKa value for some acids…

Q: which factors will affect boith the position of the equiliberium and the value of the equiliberium…

A: Given :-  The given equilbrium reaction is                     92 (KJ) + N2(g) + 3H2(g) → 2NH3(g)…

Q: Consider the reaction. heat 2 Al(s) + Fe₂O3(s) Al₂O3(s) + 2 Fe(1) If 13.5 kg Al reacts with an…

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Q: Calculate the ionic strength of a solution that is a. 0.050 M in FeSO4. Ionic strength = || b. 0.50…

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Q: Write the formula equations and then balance each of the following reactions.  a. phosphoric acid…

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Q: (0) + CN (†) O + O O

A: Diels-Alder reaction: It is a [4+2] cycloaddition reaction between a diene and dienophile to give a…

Q: 1. A 0.3645 sample contains only KCI and BaCl₂. This sample yielded 0.5983g of dried AgCl. Calculate…

A: Given data: Mass of the sample = 0.3645 g  Mass of dried Agcl = 0.5983 g  Also, the molar mass of…

Q: Use differentials to estimate the amount of aluminum in an enclosed aluminum can with diameter 8.0cm…

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Q: nter a nuclear equation for the alpha decay of each nuclide. Po-210 Express your answer as a…

A: When alpha decay occurs during nuclear reaction, atomic number decreases by 2 and mass number…

Q: Two porous containers are filled with He and Ne. Under the same conditions, the c 1 Ana 110h00 4 of…

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Q: In the mechanism for the addition of water to an alkene, the hydronium ion (H3O*) is generated. Why…

A: Answer: Characteristic reaction of alkene is electrophilic addition where double bond accommodates…

Q: 6. A sample of Magnesium Chloride (MgCl₂) has a mass of 12.94 g. How many atoms of Clare in the…

A: Given = Mass of MgCl2 = 12.94 g

Q: Enter a nuclear equation for positron emission by each nuclide. Na-22 Express your answer as a…

A: Positron emission : Positron is anti particle of electron i.e. electron having positive charge is…

Q: 1. a. Predict products following allylic NBS reaction. (Will there be just one, or two, or four?) b.…

A: Given: structure of reactants. Tip: at allylic position reaction takes place.

Q: is a popula chemical demonstration. As a part of that demonstration, the 13-¹ ion is generated in…

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Q: Q.02: Write the structure of benzil, benzoin and hydrobenzoin. Q.03: Write the name of two common…

A: Given -> -> Benzil , benzoin and hydrobenzoin  -> A substance that tends to bring about…

Q: References Use the References to access important values if needed for this question. What volume of…

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Q: how would I figure out what starting molecule this is? here are the options of the molecule this…

A: NMR spectroscopy is a very important tool for the determination of the structure of the organic…

Q: A.)) A solution contains 6.23×10-3 M nickel(II) nitrate and 7.43×10-3 M manganese(II) acetate.…

A: [Ni(NO3)2] = [Ni2+(aq)] = 6.23*10-3 M  [Mn(CH3COO)2] = [Mn2+(aq)] = 7.43*10-3 M  When NaOH is added,…

Q: The distribution coefficient, k = concentration in hexanes + concentration in water, between hexanes…

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Q: Enter a nuclear equation for positron emission by each nuclide. Co-55 Express your answer as a…

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Q: How many hydrogens are present around each carbon atom in the following molecules? goreng H HO…

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Q: why doesn't F22+ occur (with respect to molecular orbital theory)? illustrate as needed.

A: Concept based on the molecular orbital theory. According to this theory F22+ ion is existable and…

Q: What mass of aluminum (in g) would be required to completely react with 1.95 L of 0.350 M HCI in the…

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Q: Does the molecule below exist as a pair of enantiomers? If so, change the bonds to wedges and dashes…

A: The structure of the given compound is  Whether the given molecule exists as pair of enantiomers or…

Q: the following reaction is exothermic. which change will shift the equilibrium to the lef?

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Q: Aqueous sulfurous acid (H₂SO3) and aqueous sodium chloride are formed by the reaction of aqueous…

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Q: Enter a nuclear equation for the beta decay of each nuclide. Pa-234 Express your answer as a…

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Q: The structure shown is an example of a type of macromolecule (carbohydrate, lipid, protein, or…

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Q: In the table below you will find three descriptions of scientists engaging in activities that are…

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Q: concentration for a solution having an absorbance of 0.350 and a molar absorptivity of 420 L mol-1…

A: Absorbance is directly proportional to concentration