What is the binding energy in kJ/mol La for lanthanum-138? kJ/mol 57 H+ 81,n-→ The required masses (g/mol) are:H= 1.00783 ;n= 1.00867 ;= 137.90680

Q: Please construct a concept map of the classification of matter, and put several examples within each…

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Q: An experimenter created a solution with a concentration of 20.0%(w/w) from a solid active compound…

A: Given: Initial %(w/w) of solute = 20.0 % Density of initial solution = 1.4 g/mL> Volume of…

Q: A bottle contains 905 grams of chloroform,CHCl3,with a specific heat capacity of 0.96J/(g·ºC). How…

A: Given, Mass of chloroform (m) = 905 g Specific heat capacity of chloroform (Cp) = 0.96 J/g.°C…

Q: The aldol reaction is an equilibrium process that generally favors the products. How would the…

A: Retro aldol reaction is the reverse of the aldol condensation reaction .Thus in retro aldol…

Q: Colligative property depends on the concentration and  not on the chemical identity of the solute…

A: Colligative property depends on the concentration and  not on the chemical identity of the solute…

Q: Draw the structural formula of the following compounds. 1) 1-ethyl-3-methylbenzene (What is the…

A: structural formula consists of symbols for the atoms connected by short lines that represent…

Q: The force constant for a H"F molecule is 966 N m, and with a bond length of 91.7 pm, rotates in a…

A: The energy of a rigid-rotor for a diatomic molecule is given as:   E(J)=h28π2IJ(J+1)

Q: uestion 17 Distribution coefficient (Kp) is the sum of the concentrations of a substance in the…

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Q: 1.Given the equilibrium for the indicator, HIn, below HIn (yellow) ⇌ H+ + In– (blue) pKa ≈ 3-4…

A: Answer: Indicator is the substance that is added in the analyte during acid-base titration and by…

Q: 2. AClsle) → ACI3(e) + Clz{e) AH = ? Given: Aa(s) + 6CI2(e) → 4ACI3{g) AH = -2439 kJ 4ACIS(e) →…

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Q: If you are requested to compound 150 mL of the Concentrated Peppermint Water in the Laboratory from…

A: Here we are required to find the volume of peppermint oil required for the preparation of 150 ml of…

Q: What is the absolute configuration of the molecule on the photo?

A: RS nomenclature: The RS nomenclature is an important nomenclature system for denoting the…

Q: Given the volume of 0.3482 M NaOH used determine the concentration of 15 ml sample each from…

A: Given that, 15 mL sample of each from aqueous layer and the organic layer. The concentration of the…

Q: 18 g of unknown organic sample was dissolve in 758 mL of Dicloromethane (DCM). The boiling point of…

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Q: KMNO4 NazCr20, [1] NACN p. d. HO, f. H2SO4, H2O Br (2] H2O, ¯OH

A: The reactions given are,

Q: Give 5 differences of common name and IUPAC name

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Q: In a two-vessel technique titration set-up, what is the unknown substance if the volume of…

A: To determine the mixture of substances in the sample

Q: Draw the following compounds based on their IUPAC Names: 1.   3-ethyl-2,2-dimethyl-3-heptene 2.…

A: 1.   3-ethyl-2,2-dimethyl-3-heptene -  It has main chain of seven carbons, with double bond at third…

Q: Q4) Suppose a balloon containing 1 mole of an ideal gas at 298 K is dragged from the sea surface to…

A: Introduction :  Isothermal process means during the process, the temperature will be remains…

Q: Provide a mechanism for the following transformation: CN 1. NaOH CO2H 2. H,0"

A: The reaction given is,

Q: An analyst wanted to separate an essential oil which is partially immiscible in water and a boiling…

A: When there is a difference between the boiling points of components present in the liquid mixture…

Q: The name of the alkane isomer of cis-3-hexene is: Select the correct response: 3-methylpentane…

A: Detail description is given below

Q: Draw the structural formula of the following compounds. 4) 3-phenyl-2-pentene 5) 1,4-dimethylbenzene…

A: We have two componds 1) 3-phenyl-2-pentene 2) 1,4-dimethylbenzene  We have draw structure

Q: Non-essential amino acids are those that may be synthesized by the body A) True  B) False

A: Non essential amino acids are those that may be synthesized by the body. A) True  B) False

Q: This Diekmann cyclization proceeds through the expected five-membered ring transition state. Draw…

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

Q: What will be the resulting percentage (w/w) of the said syrup if 300 g /2L of sucrose will be used?…

A: W / W % = percentage weight of substance by weight measured in grams in 100 grams…

Q: For the gas phase decomposition of nitrosyl chloride at 400 K 2 NOCI→2 NO + Cl2 the average rate of…

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Q: Salt Theoretical Ksp MGCO3 3.5 x 108 Mg(OH)2 1.8 x 10-11 For the standardization of the HCl titrant,…

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Q: mechanism for the of hydrolysis (1-bromo of Propose a reaction methylpropyl)cyclohexane. Including…

A: Stereochemistry is branch of chemistry in which we deal with arrangement of atoms in three…

Q: EFFECTS OF DYES TO THE POSSIBLE SOLUTIONS ENVIRONMENT EFFECTS OF INSECT POSSIBLE SOLUTIONS…

A: Dyes are organic substances and are used to impart colour to various substrates. Insect repellents…

Q: The pH of a 0.300 M solution of NaOAc is:   (For HOAC, Ka = 1.8 x 10-5) a. pH = 4.90 b. pH = 11.37…

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Q: Using the following starting materials as the only source of carbon, provide a synthesis of the…

A: Friedel-Crafts Allylation is used for  the replacement of an aromatic proton with an allyl group in…

Q: Provide the structure of the product and write the mechanism of its formation for the following…

A: Given two reaction are of intermediate chemistry i.e. carbocation formation reaction. Reactive…

Q: A fictional element has two isotopes and an atomic mass of 76.34 amu. If the first isotope (Isotope…

A: Average atomic mass = 76.34 amu  First isotope = 20.21 amu  Second isotope = 80.76 amu  We have to…

Q: Which of the following characterizes an alpha ray? Choose all that apply. O is less penetrating than…

A: Alpha ray is also identified as helium nuclei. Which is donated by 4He2.

Q: 14.3 Matching Questions Select the correct name for the following. 75) A) Propan-3-one CH3CH2C…

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Q: CEN + ? MgBr (1). LIAIH MgBr b). MgBr c). ) d). LIAKO-t-Bu)3 e) DIBAH

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Q: A proposed mechanism for the gas phase reaction between nitrogen monoxide and oxygen is as follows:…

A: A chemical reaction can be added or subtracted like an algebraic equation. The given reaction…

Q: Write the half-reactions as they occur at each electrode and the net cell reaction for this…

A: Given that, a cell reaction is Sn(s)|Sn2+(aq)‖Ag+(aq)|Ag(s). We have to write the half-cell…

Q: d) Find the temperature increase expected for 2.00 L of water when it absorbs all the energy from…

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Q: Silver nitrate + ammonium hydroxide

A: Reaction between Silver nitrate + ammonium hydroxide -----

Q: Question 30 170.50 mL of 1.23 M organic salt was mixed with 236.23 mL of Ethanol (d= 0.789 g/mL, MW…

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Q: The half-life of cesium-129 is 32.0 hours. How much time is required for the activity of a sample of…

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Q: For which of the mixtures will Ag2SO4(s) precipitate? 150.0 mL of 0.10 M Na2SO4(aq) and 5.0 mL of…

A: To identify: The mixture for which Ag2SO4 will precipitate.

Q: 1. Predict the product of the Mixed Adol Condensation reaction below, under basic conditions with…

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Q: 7. Provide a mechanism for the following transformation: H,O HO он

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Q: Identify the type of reaction for the formation of (S)-2-butanol from (S)-2-bromobutane

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Q: Which of the following reactions would be 2-bromo-2-methylbutane as one of the possible products?…

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Q: Question:- How many grams of NaOH would you need to make 2542 mL of a 4 M NaOH solution (m.w. =…

A: Given-> Volume = 2542 ml = 2.542 L       (1 L = 1000ml) Molarity = 4M Molecular weight of NaOH =…

Q: What is the value of the equilibrium constant in the following hypothetical equilibrium if the…

A: Kc is the ratio of  product of concentration of products raised to their stoichiometric coefficient…