How many unpaired electrons are found in a ground state atom of Po?

Q: Use retrosynthetic analysis to suggest a way to synthesize 2,3-dimethyl-3-pentanol using the…

A: An alcohol is formed by the Grignard synthesis. The reaction involves the grignard reagent (RMgX, R…

Q: In your one semester being enrolled in the subject Analytical Chemistry II, write your major take…

A: Given- certain topic To find- it's reviews

Q: . Dip-coating process is one of the methods for electrode surface modification.

A: True  Dip coating process is one of the methods of electrode surface modification.

Q: The ascending order (from least to greatest) of acidity of the following compounds is: plan باد ملهه…

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Q: A compound has a pKa of 7.4. To 100 mL of a 1.0 M solution of this compound at pH 8.0 is added 30 mL…

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Q: The n = 2 to n = 6 transition in the Bohr hydrogen atom corresponds to the 0 0 0 0 absorption, 657…

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Q: O CH3 CH3 2,5-Hexanedione (a 1,4-diketone) CH3 CH3 2,6-Heptanedione (a 1,5-diketone) NaOH Ethanol…

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Q: 2) Which of the following compounds will have an IR absorp 3300 cm-¹?

A: IR spectroscopy is branch of chemistry in which we deal with change in dipole moment of molecule.

Q: Question 52 When using perfectly renewable power supplies, the extraction of aluminum from ore…

A: A question based on environmental pollution that is to be accomplished.

Q: BaSO4(s) = Ba²+ (aq) + SO2 (aq) Ksp = 1.5 x 10-9 @ 25 °C [Ba2+] = 3.9 x 10-5 M What is the…

A: Let the solubility of the ions (formed by dissociation of BaSO4) be "S". The relation between ksp…

Q: c) Suggest and explain in detail one heat treatment procedure that can strengthen or harden the…

A: A metal when it is hardend,it is heated to a point where the element transform into a solution.

Q: 2HOCI(g) = H₂O(g) + Cl₂O(g) Kp = 11.1 @ 298 K The reaction begins with 2.5 atm of HOCI, 0.5 atm H₂O,…

A: The equilibrium constant in terms of partial pressure of gas can be given by the ratio between the…

Q: Calculate the  [H3O+]  value of each aqueous solution. NaOH  with  [OH−]=1.4×10−2M  Express your…

A: We know the relations ;  pH = -log[H3O+]  And ,pOH = -log[OH-] And , pH + pOH = 14

Q: 22 ent, when present in large amounts, causes steel to become brittle and unworkable:

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Q: Which salts will produce basic aqueous solutions? CaBr2 NH4Cl CoBr2 KHSO3 NaCN…

A: A salt is formed by the reaction between acid and base. The acidity and basicity of a salt can be…

Q: Be sure to answer all parts. Calculate the K, of a weak acid if a 0.033 M solution of the acid has a…

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Q: 9. Calculate AH., for the chlorination of methane to form chloroform. rxn C-H (413 kJ/mol), Cl-Cl…

A: Given :  B.E(C-H) = 413 KJ/mol  B.E(Cl-Cl) = 243 KJ/mol  B.E(C-Cl) = 339 KJ/mol  B.E(H-Cl) = 427…

Q: Calculate the wavelength (in nm) of a neutron that has a velocity of 200. cm/s. (The mass of a…

A: Given : Velocity of neutron (v) = 200 cm/s                                          =200 ×10^ -2…

Q: В сиз (сиг) зинг D из C CH₂ ((U₂), NV₂ CH=O ↓ a₂ so C MeOH E+3 N Meok Hesou, A

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Q: Question 35 In reality, aluminum readily oxidizes in air much faster than steel does, forming a…

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Q: A soft drink (230 mL of mostly water) initially at 17.0 C is cooled by adding 148 g of ice cubes at…

A: According to the principle of calorimetry heat released by a warm body is equal to heat gained by a…

Q: Acetic acid partially dissociates according to the reaction below. HC₂H3O2 + H₂O(1) H3O+ + C₂H3O5 2…

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Q: Which of the following is an example of co-precipitation error?     mixed-crystal formation…

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Q: When the fuel mixture contained in a 1.56 L tank, stored at 754 mmHg and 298 K, undergoes complete…

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Q: Temperature (°C) 25 C Write the Ksp expression here: Calculate the Ksp value here (show work):…

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Q: Write the structure of the tripeptide Ser-Gly-Ala

A: This structure will form by removal of water by the three molecule Serine, Glycine and Alanine.

Q: Write a complete structural formula and an abbreviated formula for the tripeptide formed  from…

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Q: Consider the following equilibria: 2SO3(g)    2SO2(g) + O2(g)                       Kc1 = 2.3 × 10…

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Q: Given : 1CH4 (g) + 2O2 (g) —> 1 CO2 (g) + 2 H2O (g) Q. calculate the mass of c02 gas formed when…

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Q: Protein denaturation can alter the 3 dimensional shape of a protein alter the sequence of amino…

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Q: 3. Voltammetry is limited to analysis of inorganic samples only.

A: 3. Voltammetry is an electroanalytical technique.In this method, the information regarding analyte…

Q: 6. If the cell potential in the previous problem (5) is 0.485 V, what is the [CI] in the cathode…

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Q: The yield of lactose is 98%. Exp in (and sugar) content of milk. Is

A: Given: Lactose yield is 98%

Q: D Question 51 Suppose you are recycling glass by having a furnace that mixes together glass shards…

A: Recycling glass of different shape size colour .

Q: Question 4 Ammonia burns in air as follows: NH3(g) + O2(g) → N2(g) + H₂O(g) (unbalanced) If x liters…

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Q: The three-letter abbreviation for arginine is Submit Answer Retry Entire Group 9 more group attempts…

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Q: 1a. What product is produced when propan-1-ol is heated in the presence of an oxidising agent.   b.…

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Q: Choose the correct Lewis structure for each molecule or ion. Part C NO3 O f o|:0–0-N=0| • [08-0] O…

A: Those atom does not have vacant d orbital they does not form more bond

Q: 1) A 0.45M aqueous solutionof creatine, (C4H9N3O2), has a pH of 1.49. Calculate the value of the…

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Q: 10. Select the right structure of partial orbital diagrams and electron configuration for Na. 3p ↑↓↓…

A: Sodium Na is the second member of first group elements. As we know that first group elements consist…

Q: How many moles of NaOH must be added to 1.0 L of 2.0 M HC2H302 (Acetic Acid, Ka = 1.8x10^-5) to…

A: Buffer is solution which have tendency to resist pH change when small amount of strong acid or…

Q: 3.2 For Figure 7. Determine the products when Figure 4 reacts with the following reagents below: CH3…

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Q: Olutake time the As milliequivalent wright evaluez in gomfort and 52₂03 2 Ist 2 503 I₂ + 5₂03 = 21"…

A: The balanced redox reaction is: I2 + 2S2O32-(aq)  -----> 2I- + S4O62-

Q: QUESTION 3 Correctly name the following compound. Br H₂C NO₂

A: We have write the IUPAC name of the given compound

Q: d) Discuss the advantage of aluminium and magnesium over steel in industrial applications. How could…

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Q: Calculate the pH of each solution given the following. [OH−]=5.9×10−3M Express your answer…

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Q: Given the equilibrium expression below, the most likely equation for the reaction is: [N₂][0₂] Keq =…

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Q: The El-MS spectrum below corresponds to which of the following compounds? Relative Intensity 100- 80…

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Q: PLEASE DON'T WRITE YOUR ANSWER ON A PAPER. I CAN'T UNDERSTAND HANDWRITTEN. 5. Which would make a…

A: Chemical kinetics can be defined as the branch of chemistry that deals with rates of chemical…

Q: Calculate the standard deviation of the following results: 20,19,18,10,15,14

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