The following table presents the abundances and masses of the isotopes of zinc. What is the atomic weight of zinc? Isotope Abundance Mass 6+Zn 48.6% 63.9291 amu 66Zn 27.9% 65.9260 amu 67Zn 4.10% 66.9271 amu 68ZN 18.8% 67.9249 amu 70ZN 0.60% 69.9253 amu

Q: CH3CH2CH2CI CH3 AICI3 CH2CH2CH3 CH ČH3 I II :0:

A: The major product is:  

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Q: Synthesize the compund (Amlodipine) via Hantzsch dihydropyridine synthesis

A: The answer with mechanism is as follows:  

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A: Given: Volume of gas at -50.0 oC and 800 bar = 1.00 L  Z value at -50.0 oC and 800 bar = 1.95 Z valu...

Q: What is the Amax of this given structure?

A: We can calculate the maximum wavelength in ultraviolet- visible spectroscopy.  

Q: What is the specific heat of an unknown substance if 1,462 J are required to heat 36 g of the substa...

A: Given Mass = 36 g heat = 1462 J T1 = 17°C T2 = 35°C specific heat (C) = ?

Q: Which of the following molecules can have dipole-dipole interactions as their strongest intermolecul...

A: The correct option is:  

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A: Ans -      This statement is false. Explain -       As the cell thickness increases, the intensity o...

Q: Give the major product for the following reaction

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Q: Question 7 As the cell thickness increases, the intensity of the transmitted light also increases. I...

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Q: Which of these compounds is most soluble in water at pH 7.0? (Note that the non-ionized forms are sh...

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Q: In each scenario, describe a step by step process in determining the unknown. Distilled water maybe ...

A: Density =mass/volume. We have to determine mass and volume separately.

Q: Bromobutane (CAH9Br) reacts with ethyllithium (C2H5LI) as follows: C4H9BR + C2H5LI → C4H9LI + C2HsBr...

A: Every reaction obeys the law of conservation of mass. So, we need to balance the reaction, and thus ...

Q: What is the pH of a 0.20 M solution of CH3NH3NO3 at 25 °C? At this temperature, the Kp for CH3NH2 is...

A: Both given Ka and Kb are given, means this salt is a weak acid-weak base type salt. -PH or [H+] of W...

Q: 1. An aqueous solution with 15 g sulfuric acid is dissolved to make 0.2F solution. The specific grav...

A: Since you have posted a question with multiple sub-parts,we will solve first three sub-parts for you...

Q: Which one of the following changes would alter the rate constant (k) for the reaction 2A + B product...

A: Rate constant defines as to tells the relation between concentration of the reactant and rate of the...

Q: Which point represents solid-liquid-gas equilibria? 24.. 1 atm Phase I. Phasc ... P. ... ... Phase I...

A: Phase diagram: The phase diagram represents the different phases of the substance and the pressure a...

Q: 1. Develop a detailed separation scheme for the separation and determination of the percent composit...

A: A mixture is a combination of two or more individual substances that may have uniform composition or...

Q: Draw structural formulas for the following the compounds: (d) cis-1,3-dicyclohexylcyclopentane (e)...

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Q: Calculate the vapor pressure of water in a 3.77 m solution of isopropanol, a non-volatile electrolyt...

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Q: The isomerization of cyclopropane to form propene is a first-order reaction. H2C CH2 H3C-CH=CH2 CH2 ...

A: Cyclopropane ---> Propene t = 6.8 min [At] = [A0] e-kt 0.85 [Ao] = [A0] e-k(6.8) 0.85 = e-k(6.8) ...

Q: an aqueous solution has a pOH = 6.8. The pH of this solution is ____

A: • The values provided in the question are:-      i) pOH of an aqueous solution = 6.8    • We need to...

Q: H2 (1-equiv) Pd-C [1] CH3LI но но [2] H2O [1] (CH3)2CuLi OH [2] H20 [1] CH3CH2MGB OH [2] H2O H2 (exc...

A: We have to tell the products formed on the given reactions.

Q: Give the balanced chemical equation for each of the following reactions.  Identification of ferric ...

A:

Q: Please answer 1-3 thank you

A: The chemical reaction involves the combination of suitable reactants in a definite molar ratio to yi...

Q: Given these initial concentrations: [SCN`] = 0.000644 M, [Fe³"] = 0.000505 M, and %3D 2+. [Fe(SCN)] ...

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Q: How many moles of NO₂ would be required to produce 4.46 moles of HNO₃ in the presence of excess wate...

A: This question is related to stoichiometry. The most important thing before solving numericals relate...

Q: 7.00 mL of 6.00 x 103 M Fe(NO3)3 (6.00 times 10 to the minus 3rd power MFe (NO3)3) is added to 4.00 ...

A: Given: Concentration of Fe(NO3)3 taken = 6.00 × 10-3 M Volume of Fe(NO3)3 solution taken = 7.00 mL  ...

Q: In the phase diagram below 1 atm Phase II. Phaco I: ....* .. Phase II .... ...* .... ... .... ... O ...

A: Phase diagram: The phase diagram represents the different phases of the substance and the pressure a...

Q: H,0 H,0

A:

Q: Which of the following molecules can participate in any kind of hydrogen bonding with water? H-CEN: ...

A: So 3rd option is correct that is CH2NOH Because it has hardly any atom which is directly proportiona...

Q: A solution of manganese chloride has SG of 2.98 and contains 28.3% manganese chloride by mass. if 50...

A: Given: Mass % of Manganese chloride i.e. MnCl2 = 28.3 % Specific gravity of solution = 2.98  Volume ...

Q: 5. In the titration of 15.00 mL of 0.200 M of a weak base, B:, (Ko = 7.25 x 10³) with 0.100 M HCI. c...

A: Given,  Volume of weak base (B) = 15.00 mL  Molarity of B = 0.200 M  Base dissociation constant = Kb...

Q: A bottle of carbonated beverage has CO, concentration equal to 0.0961 Molar at a certain temperature...

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Q: Which point represents solid-liquid-gas equilibria? 1 atm Phase Phasc l: P. Phase II T Phase I O c O...

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Q: CH OCH, Determine whether the substrate underwent: a reduction reaction, an oxidation reaction, or n...

A: Reduction : Oxidation number decreases Oxidation : Oxidation number increases

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A: Answer: In neutralization reaction, hydroxide ion of base reacts with hydrogen ion of acid and neutr...

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A: To identify: The number of hydrogen bonds formed by the water molecules in the liquid state.  

Q: Compound A Compound B Compound C CI Step 1 Step 2 Circle one: Circle one: oxidation oxidation reduct...

A: The reaction taking place is given as,  

Q: Which of the following statements is/are correct about visible spectrum white  light passes through...

A: A multiple choice question based on UV spectra that is to be accomplished.

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Q: Which of the following molecules can participate in any kind of hydrogen bonding with water? H. H-C=...

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Q: Rank the following sigma complexes in order of increasing stability. A)I < || < II B)I < II < | I3D ...

A: A carbocation that has a positive charge is an electron deficiency. 

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A: Given: The molar mass of fluorine = 19.0 g/mol

Q: For the enthalpy (H) factor to become favorable, the enthalpy of the products should be a   Lower ...

A:

Q: What volume (mL) is required from a stock solution of1.98 M KNOg to prepare a 750 mt solution of 1.0...

A: Given that: Molarity of stock KNO3 solution(M1) = 1.98M Molarity of final KNO3 solution(M2) = 1.00M ...

Q: which one of the figures below has every sp3 hybridized atom circled?

A: Hybridization is based on the concept of mixing or atomic orbital to form new hybrid orbital and  th...

Q: When filling a volumetric flask with water, the water is added until: Select one: a. There is no wat...

A: A volumetric flask or measuring flask is a laboratory apparatus that is used for precise measurement...

Atomic Structure

The basic structure of an atom is defined as the component-level of atomic structure of an atom. Precisely speaking an atom consists of three major subatomic particles which are protons, neutrons, and electrons. Many theories have been stated for explaining the structure of an atom.

Shape of the D Orbital

Shapes of orbitals are an approximate representation of boundaries in space for finding electrons occupied in that respective orbital. D orbitals are known to have a clover leaf shape or dumbbell inside where electrons can be found.