Neel’s unknown solid 1) dissolves in hot ethanol, 2) is essentially insoluble in hexane, and 3) is insoluble in cold water, but sparingly soluble in warm water. Outline a recrystallization procedure

Q: Write the equilibrium expression for the chemical reaction below. 2ZnS (s) + 302 (g) →2ZnO (s) +…

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Q: 17. Predict which analgesic, acetaminophen or aspirin is more acidic. Explain HO IZ O 1-120M Sibs…

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Q: In the laboratory you dissolve 22.0 g of chromium(II) acetate in a volumetric flask and add water to…

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Q: A total of 537 cal of heat is added to 5.00 g of ice at -20.0 °C. What is the final temperature of…

A: Given data :  Mass of ice = 5.00 g  Initital temperature of ice = -20.0°C Total heat added = 537 cal…

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Q: . . Hypothesize which sample from the list of materials will decrease the concentration of soluble…

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Q: Name the following cyclic compounds: e) f)

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Q: Question 16 What is the pH of a 0.030 M LIOH solution? 1.52 12.48 3.00 11.00

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Q: NAME THE FOLLOWING COMPOUND NaOH KMNO4

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Q: What is the molecular formula for this compound: H3C-CH-CH3 OH

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Q: 3.5x10^3 6.78x10^5

A: This is an incomplete question. Pls try to explain whole problem. I will help you then .

Q: Four grams of the crystalline compound “A” dissolve in 100 mL of methanol at room temperature. At…

A: The solubility of compound A in 100 mLof methanol at room temperature is given to be 4 g while the…

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Q: A cylindrical container's pressure is 200,000 Pa; its temperature is 86 deg Fahrenheit; and its…

A: We know the ideal gas equation,                                                PV=nRT P= Pressure of…

Q: Balance equation H2S(g)+O2(g)→SO2(g)+H2O(l) C6H10(g)+O2(g)→CO2(g)+H2O(g)

A: The Chemical reaction follows the law of conservation of mass. According to the law of conservation…

Q: Get the concentration of the unknown solutions with a %T of 63 Given: S1 = 0.02 mg 76%T S2 = 0.04…

A: Given S1 = 0.02 mg 76%T S2 = 0.04 mg 58%T S3 = 0.06 mg 45%T

Q: A solution of a weak acid contains 5 mM conjugate acid (HA), 2.5 mM conjugate base (A-), and 2.5 mM…

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Q: How many carbon atoms are in the parent chain?

A: Concept:  To name the compound as per the IUPAC rules we take the longest chain as the parent chain.…

Q: CH3 CH3CH₂CH=CH-C-CH₂-CH3 CH3 H₂C-CH₂ TIT HC=CH L F

A: Given compounds are :  Give the IUPAC names of the given compounds :  The suffix use for alkene…

Q: Br. Br Allyl "LDA" LIO bulky amide base bulkystericly hindered NaNH, NH3 (1) Propargyl

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Q: How many moles of magnesium oxide are produced by the reaction of 3.82 g of magnesium nitride with…

A: Mass of Mg3N2 = 3.82g Mass of H2O = 7.73g Molar Mass of Mg3N2 = 100.9 g/mol Molar Mass of H2O = 18…

Q: 90 Electrons. neutrons 2. Yttrium was discovered in 1794. It is one of the elements used in…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: ► Get the concentration of the unknown solutions with %T of 63. ►Given: S1-0.02 mg 52-0.04 mg…

A: Here we are required to find the concentration of unknown solution with transmittance  (%T )63…

Q: V. Complete the following neutralization reactions. Indicate the acid, base, and salt. Balance the…

A: Since, Neutralization reaction are those in which acid react with base to form salt and water. Thus,

Q: 15. A solid compound has a mass of 52.20 g. You scrape 14.85 g worth of material off the compound…

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Q: What is the relationship between Compound 1 and Compound 3?

A: We have to identify the relationship between the compounds

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Q: Complete the mechanism and draw the final product for the Grignard reaction. Step 1: Add curved…

A: The negatively charged alkyl group of the Grignard Reagent acts as nucleophile and attacks on the…

Q: Calculate solution concentration. A solution consists of 55.0 g of ethanol, CH3CH₂OH, and 124.0 g…

A: Answer: Given data: methanol=55.0gmwater=124.0gVsolution=188mL Molar mass of ethanol…

Q: 6. a. The specific rotation of (S)-2-Chlorobutane in ethanol is +21.3°. A solution of the compound…

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Q: A certain liquid has a density of 0.87 g/mL. 1.25 L of this liquid would have a mass of kg=1000 g)…

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Q: Aluminum (Al) – Lithium (Li) alloys are widely used in the aircraft industry to reduce weight and…

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Q: How many alkyl substituents are attached to the parent chain?

A: Alkyl substituents are also known as the side chains.

Q: Briefly explain why the 1-mL pipette has a lower percent tolerance level in the range 300-1000 than…

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Q: Problem 2. Name the following organic chemicals. Refer to Tables 22.3, 22.6-22.8 in our text and p.…

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Q: Ratio of specific heats of CO2 at 825K.

A: Ratio of specific heat means the ratio between Cp and Cv  That is Cp- specific heat at constant…

Q: A reaction has a standard free-energy change of -10.40 kJ mol-¹ (-2.486 kcal mol-¹). Calculate the…

A: The free energy change of the reaction is = -10.40 kJ/mol The temperature of the reaction is = 25oC…

Q: Identify which of the following statements about elements and their abundance is false? O a. Most…

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Q: What is the locant of the methoxy substituent?       4-methoxy     1-methoxy     5-methoxy…

A: To determine the locant of methoxy, we need to number the carbons in the given compound as per IUPAC…

Q: When did the world know fusion existed? Select one: B.1920 C.1960 D.1980

A: FUSION:--It is process in which two nuclei fuse with each other and produces energy. •Fusion of…

Q: D) ??? "Он ??? ОН

A: Note- Since the given question is a multiple question, hence I  solved first  question  according to…

Q: A2.150-g sample of quinone (C,H,O₂) is burned in a bomb calorimeter whose total heat capacity is…

A: Answer: Given data: Mass of quinone m=2.150g Heat capacity of bomb calorimeter C=7.854kJ/°C

Q: Which of the following reaction is likely to occur with the highligthed group?     a…

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Q: Based on activation energies and energy changes and assuming that all collision factors are the…

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Q: bonds D. DeloW 1300 C 2. Assume you were carrying out the following reaction. How could you use IR…

A: 2) IR spectroscopy is used to determine the functional groups present in the sample. Different…

Q: Which face of cholesterol will be attacked by m-CPBA? The y-face None of these DO The a-face The…

A: Cholesterol has a flat and smooth α face, and a rough β face. The α face contains only axial…