1. A cell with a concentration of 0.90% (m/v) NaCl is placed in a 0.45% (m/v) NaCl solution. a. Is this solution hypotonic or hypertonic? b. Will the cell swell or crenate?

Q: A) 3-propyl-4-ethylheptane B) isooctane C) 3,4-dipropylhexane D) 4,5-diethyloctane E) None of these…

A: 1.In above compound all the bond are single bond, hence it is a alkane.  2. Above structure is bond…

Q: You are provided with a vial of an hypothetical solid that is non-volatile and a non-electrolyte.…

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Q: Draw the product of an SN2 reaction shown below. Use wedge and dash bonds to indicate…

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Q: Which of the following would produce a buffer? Explain your reasoning a. 10.0 mL of 0.10 M HCl +…

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Q: 6. Please provide the correct IUPAC names for the following compounds, including the correct…

A: Dear student, we are authorised to solve only one question at a time. Please post rest of the…

Q: Light, Quantum Mechanics, and Photons. Assume your eyes receive a signal consisting of blue light…

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Q: A lead fishing sinker is immersed in a solution of Zn²+ and Cu²+cations. 2 Macmillan Which of the…

A: Lead is a metal in 0 oxidation state , so lead will react with cation which can oxidise lead atom.…

Q: What is the frequency of light that has a wavelength of 750 nm? speed of light = 2.998*10^8 m/s

A: Frequency is inversely proportional to wavelength

Q: b. Which involves the emission of more energy in the H atom, an electron moving from n=4 to n=1 or…

A: we have to determine the transition that emits more energy

Q: What are the coefficients in front of Zn(s) and OH- when the following equation is balanced in a…

A: This can be explained as:

Q: III. It is known that the solvolysis of 2-bromo-2-methylbutane in ethanol at 25 produces a mixture…

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Q: H3C. Predict the splitting pattern expected for the circled proton in the structure below. H₂ H₂ CH3…

A: If adjacent carbon have  no any hydrogen the splitting pattern is singlet, if one hydrogen then…

Q: Macmillan Learning O Predict the neutral organic product of the reaction. CH3 H₂C=C + H3C-OH CH3…

A: In presence of acid, alkene reacts with alcohol and produces ether. The reaction is given below

Q: 1. Label each of the following as E, Z or neither H3C Н CH3 H3C H3C Н CH₂CI H3C Но CH₂OH CH₂CI CH₂…

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Q: Write the balanced equation between sodium bicarbonate and hydrochloric acid. Include physical…

A: Sodium bicarbonate react with hydrochloric acid to form salt (NaCl), carbon dioxide (CO2) and water…

Q: The half-life of a radioactive material is 18.23 hours. If you measure 59.33 grams of the sample…

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Q: HI can react to form hydrogen and iodine as shown in the reaction below. When this occurs a small…

A: The balanced chemical equation is: 2HI(g) → H2(g) + I2(g)  Number of gaseous moles on the reactant…

Q: Acetyl COA (ACC) is a critically important molecule in metabolic pathways. This molecule can be used…

A: Acetyl coenzyme A is an important molecule in metabolic pathways.

Q: Show that the standard heat of the following reaction is equal to -905 kJ/mol at 25 oC. 4 NH3(g) +…

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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: The amino acid arginine has an approximate molar mass of 174 g/mole. If the percent composition is…

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Q: Explain and indicate the acidic, basic or neutral character resulting from the aqueous solutions of…

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Q: 12.1.c. Provide the name for the following. Be sure to use the correct formatting for the text.

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

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: H3C. Predict the splitting pattern expected for the circled proton in the structure below. C10 H₂…

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Q: K, for phenol (a weak acld), CH5OH, Is 1.60x10-10. K, for acetic acid, CH3COOH, is 1.80x10-5. Ka for…

A: we have to write the formula of strongest conjugate base

Q: Similarities I and M? I and C? M and C? Differences I and M? I and C? M and C?

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Q: An element Y was found by meteorologists inside a fossil and at present, there is 3.8g of it left.…

A: Given : initial amount = 30 g                Final amount = 3.8 g             Time taken = 45000…

Q: Complete the structure of aspirin by removing the R substituent and drawing the correct functional…

A: To solve this problem we have to draw the structure of asprin .

Q: Stoichiometry is best defined as the O qualitative relationship between reactants and products in a…

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Q: An aqueous solution of hydrochloric acid is standardized by titration with a 0.193 M solution of…

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Q: A 0.316 mol sample of nitrogen gas, N₂(g), is placed in a 4.00 L container at 315 K. What is the…

A: Value of gas constant (R) is.                       62.4 L torr/mol Kelvin

Q: The nuclear reaction shown below is an example of what type of process? 224 Th→>> 4 Rn+ He 90 2 220…

A: we have to identify the type of process

Q: Ph Br 'Н Lai Ph 013 1) LIAIH₂ 2) H B HOⓇ (b) A (a)

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Q: For main group elements, how does the number of core electrons vary across a period?

A: Period table contains 7 Period and 18 groups.  From left to right across the periodic table is known…

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

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Q: Which of the following molecules: A. 0 AL H₂C CH₂ B. H₂C A. acetone CH₂ C. ethanol C. OH D. H₂C is…

A: Given that, the 1H and 13C NMR spectrum of an unknown molecule. We have to determine the unknown…

Q: What is the pH of a solution made by dissolving 5.96 grams of calcium fluoride in enough water to…

A: For the first question, we have to calculate the pH of a solution made by dissolving 5.96 g of…

Q: Determine the pH if 50.0 mL of 0.50 M HI solution is added to 0.027 L of a 0.10 M KOH solution

A: Given : 50.0 mL of 0.50 M HI solution is added to 0.027 L of a 0.10 M KOH solution  Tip : pH = -log…

Q: An aqueous solution at room temperature is 0.25 M in both Ba²⁺ and Ca²⁺ ions. You want to separate…

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Q: Macmillan Learning Given that H₂(g) + F₂(g) → 2 HF(g) 2 H₂(g) + O₂(g) → 2H₂O(1) calculate the value…

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Q: If the ?a of a monoprotic weak acid is 7.1×10−6, what is the pH of a 0.46 M solution of this acid?

A: Recall the data, Concentration of weak acid HA=0.46 M Ka of HA=7.1×10-6

Q: Draw the major product of the substitution reaction shown below. Ignore any inorganic byproducts.…

A: To solve this problem we have to draw the substitution product .

Q: The ?a of a monoprotic weak acid is 0.00318. What is the percent ionization of a 0.195 M solution of…

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Q: How many liters of water should be added to 305 mL of 12.7 M X to create a solution of 1.0 M X?

A: Given- Initial concentration= 12.7M Final concentration= 1.0M Initial volume= 305 mL

Q: 12.1.d. Provide the name for the following. Be sure to use the correct formatting for the text. X

A: The given compound is a hydrocarbon, cycloalkane. The IUPAC name of a cycloalkane can be written on…

Q: A chemistry graduate student is given 300. mL of a 1.50M pyridine (C,H,N) solution. Pyridine is a…

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Q: how do we determine the ph of weak acid?

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Q: Draw the major and minor products of the E2 elimination shown below. Ignore any inorganic…

A: Given : structure of reactant Tip : beta hydrogen removes in E2 elimination

Q: What is the total pressure in a 10.0-L flask which contains 0.127 mol of H2(g) and 0.288 mol of…

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