E. XS hup Br₂ light @17 0 O US 8 Feb 22 2:15

Q: Express the molality to two significant figures. molality = 0.66 m NaCl Submit Previous Answers All…

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Q: Explain how an emission spectrum is obtained.

A: An emission spectrum is a pattern of wavelengths of light emitted by an excited atom or molecule.

Q: Calculate how many moles of NaOOCH would be needed to create 1.00L of a pH = 8.9454 solution? Assume…

A: Given,Volume of NaOOCH solution = 1.00 LpH of solution = 8.9454Required,                 Moles of…

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Q: Consider 1.00-mole of methane at an initial pressure of 1.00 atm and initial temperature of 273.15…

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Q: Provide IUPAC names for the following compound.

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Q: 3. The likely magnitude of the indeterminate or random error is determined using standard…

A: Given that, the three volumes are x1 = 13.46 mL, x2 = 13.78 mL, and x3 = 13.53 mL. We have to…

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Q: Be sure to answer all parts. Predict the product of the following reaction and then draw a stepwise…

A: The given reaction describes the acid catalysed formation of alkyl bromide from alcohol.

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A: Introduction to Spectrophotometer A spectrophotometer is a scientific instrument used to measure the…

Q: Pure antimony (Sb) can be prepared by heating the antimony ore (Sb2S3) in the presence of iron as…

A: The balanced chemical equation for the reaction is: Sb2S3 + 3Fe → 2Sb + 3FeS

Q: Example 14: A sample of a compound of N and O contains 1.52 g of N and 3.47g of O. The molar mass of…

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Q: Copper is in the left beaker and zinc is in the right. Write a description of the macroscopic…

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Q: Hi there my key says these molecules are enantiomers but I don't understand how, do you think this…

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Q: 5. Calculate the vapor pressure of a solution made by dissolving 115 g of urea in 485 g of water at…

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Q: 11 Which of the following reactions is the rate-determining step in the light-initiated chlorination…

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Q: Write the organic product for the reaction of 1-butanol with phosphorus tribromide. CH3CH₂CH₂CH₂OH…

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Q: Consider the reaction: 5 A+ 3 B 2 C The rate of the reaction is found to be 0.0158 M/s. What is the…

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Q: (i) 0 Cl3C-C-H (ii) НО CH3CH₂OH Н

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Q: 4. The vapor pressure of ethanol is 115 torr at 34.9 °C. If AHvap of ethanol is 40.5 kJ/mol,…

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Q: volume 8. Describe the steps by which you would prepare a diluted solution from a concentrated…

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Q: Give a simple, intuitive, very short and non-mathematical explanation of why Cp,m of an ideal gas is…

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Q: H₂SO, Œ

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Q: a. How many valence electrons does Na have, and what are the specific valence electrons for Na?…

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Q: Be sure to answer all parts. Reacting (2R)-2-pentanol with HBr leads to the formation of equal…

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Q: What is the heat of reaction for Reaction A? AHrxn A = 100 Incorrect What is the activation energy…

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Q: 1. Provide the IUPAC name for the following molecule: 2. Give the products of the following…

A: Given structure of compounds

Q: 18) Ethyl chloride, C2H5C1, is used as a local anesthetic. It works by cooling tissue as it…

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Q: 10. Which of the "circled" hydrogens in the molecule below is most reactive in a light-initiated,…

A: This question belong to reaction mechanism of organic compounds that is Free radical substitution…

Q: 5. Draw the structure of each alcohol reactant. Then draw structure(s) of the product(s) formed when…

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Q: Draw the structural formula (with lone pairs) for the two molecules, water (H2O) and isopropanol…

A: Given two molecules : Water (H2O) and Isopropanol (C3H8O).  We have to draw structural formula and…

Q: When 900. mg of a certain molecular compound X are dissolved in 80. g of cyclohexane (CH2), the…

A: Given Weight of unknown compound X = 900. mg = 0.900 g Weight of solvent = 80. g Freezing point of…

Q: Calculate the heat energy released when 22.9 g of liquid mercury at 25.00 °C is converted to solid…

A: The heat energy released during the solidification process of mercury can be calculated using the…

Q: 3. An aqueous solution that is 16 percent sulfuric acid (H₂SO4) by mass has a density of 1.109 g/ mL…

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Q: Type of Reaction: Type of Reaction: ethene Δ A

A: The two given reactions are example of [4+2] cycloaddition reaction where alkenes are dienophile and…

Q: If 50.0 g of H₂ and 155.0 g of O2 react, how many moles of H₂O can be produced in the reaction…

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Q: Assume the edge length of the unit cell for tantalum is 331 pm. Calculate the volume of this unit…

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Q: A chemolithotroph is able to use two of the following redox couples to generate energy and reducing…

A: The chemolithotroph can use the redox couple NO2/NH4 and SO42/S0 to generate energy and reducing…

Q: 4. The volume of a piece of metal is 40.0 ml. Its density is 4.00 g/ml. What is its mass? a) 160 g…

A: Given density of metal = 4 g/ml  Volume = 40 ml

Q: A What mass grams of nitric acid, HNO,, is required to neutralize (completely react with) 4.30 g of…

A: The stoichiometry of the balanced chemical reaction states that one mole of calcium hydroxide reacts…

Q: 13.4 g of neon gas is placed in a container at 18 °C and 753 mm Hg. What is the volume of the…

A: The ideal gas equation is  PV = nRT  P = pressure in atm V = volume in L  n = moles of gas =…

Q: At a certain temperature the vapor pressure of pure thiophene (C₂H4S) is measured to be 0.61 atm.…

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Q: For the labelled atoms choose the correct hybridization and geometry. 1. Correct hybridization for A…

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Q: Complete combustion of 8.30 g of a hydrocarbon produced 26.5 g of CO₂ and 9.50 g of H₂O. What is the…

A: Given,  mass of a unknown hydrocarbon = 8.30 g mass of produced CO2 = 26.5 g mass of produced H2O =…

Q: H O H + CH3CH₂-ÖH H*

A: The given reaction describes the opening of epoxide ring by acid catalysed reaction with alcohol.