Direction: Identify what element contains the following electron configuration. 1. 1s²2s²2p² 2. 1s²2s²2p4 3. 1S¹ 4. 1s²2s²2p63s²3p63d¹04s²4p64d¹05s25p64f145d¹06s²6p² 5. 1s²2s²2p63s²3p64s¹

Q: Sally is a biochemist working in a biochemistry lab. For her experiments, she needs a stock solution…

A: Sally had to prepare 1.2 milliLiters mL of 100 milliMolar mM drug-A stock solution. The…

Q: 4.) Calculate the pH of the 6.00M sodium hydroxide stock solution. (This will take 2 steps).

A: According to Bartlby guidlines I solve only first question , hou post second question separately

Q: For a particular reaction at 210.9 °C, AG = −1477.24 kJ/mol, and AS = 492.54 J/(mol · K). Calculate…

A:

Q: The solution contains the following cations: Na+ 145 mEq/L, K+ 135 mEq/L, and Ca²+ 122 mEq/L. If…

A: Given data Na+=145 mEqLK+=135 mEqLCa2+=122 mEqL Volume of solution taken = 1.00 L And also given…

Q: How would you classify the structure below: A. strong base/strong nucleophile (SB/SN), B. strong…

A:

Q: For each ΔG° given, determine the value of K to decimal places and predict if reactants, products,…

A:

Q: 2= h √2л mk T

A:

Q: c) d) e) f) H.C -CH3 -CH3 NaCN ОН 1) BrMg CH OH H₂SO4 CH3 2) HạO* H OCH OCH _NH2OCH3 CH3 CN CH 3 -он…

A:

Q: Determine the binding energy per nucleon for bromine-81. The average mass of Br-81is 80.9163 amu.…

A: Binding energy: As a nucleus is made up of neutrons and protons, there are forces of repulsion…

Q: The New England Patriots in the National Football League (NFL) were accused of under-inflating…

A:

Q: 2. Devise a synthetic strategy to complete the following transformation. a. yhyy CO₂H H₂N CO₂H

A: Note : Trans amination of above staring material produces Valine . Step 2 : BOC protection of amine…

Q: The only true hydrocarbon polymer found in nature is Multiple Choice O polystyrene. neoprene.…

A: Multiple choice question given here.

Q: In an aqueous chloride solution cobalt(II) exists in equilibrium with the complex ion CoCl42. Co2+…

A:

Q: Question 15 What is the electron configuration of N3-? 01522s22p3 Ob1822822p0382 01822822p6…

A:

Q: A 10.0 mL sample of 0.555 M H2SO4 is titrated with 0.233 M NaOH. What volume (mL) of NaOH is…

A: In titration acid and base netralizes to each other and end point is indicated by colour change.

Q: REACTIONS 1. concentrated sulphuric acid + solid potassium chloride 2. concentrated sulphuric acid +…

A: When sulfuric acid reacts with halide ion they undergoes redox reaction. Here from the given…

Q: (excess) :CI. AICI 3

A: When benzene react with alkyl halide inthe presence of AlCl3 undergo aromatic electrophilic…

Q: НО ft:1:05:02 НО A О 600 0 В к х 300 2 НО :0 Lama Abdulhai Kajah: Attempt 1 J 600 L (higher) B > C>A…

A: The melting point of longer chains is higher than the shorter chain due to the greater…

Q: Chemistry 4. Predict the structure of all the intermediates in the synthesis of the following triol.…

A:

Q: 2) Preparation of buffer solutions: 0110 b) Prepare 1000 of pH 5.50 acetate buffer solution from…

A: Buffer solution: buffer solution  is an aqueous solution consisting of a mixture of a weak acid(HA)…

Q: You add 50.00 uL of 25.00 M NaOH (m = 39.9971 g/ mol) to 100.0 mL of a 0.252 mol/L NaCI (7=57.959 g/…

A: NaOH is a strong base while NaCl is an ionic salt hence it can't form buffer or can't react with…

Q: S STOICHIOMETRY we the following: w many grams of CC ess air? 1. Balanced Equatic 2. Molar Mass 3.…

A: Balanced chemical reaction,  A) 2C8H18 + 25O2 ---> 16CO2 + 18H2O B) molar mass =8×12×18×1=114…

Q: 27. Which example our daily life? of the following is not the of electrochemical industries in A.…

A: Electrochemical is the process in which electrical energy is generated by a chemical reaction. The…

Q: For the boxes on top of the arrow, fill in the reagent(s) and solvent(s). -SiMe3 BY

A:

Q: Classify the following alkyl halide as methyl, primary, secondary, or tertiary. Br OA methyl alkyl…

A: The type of halide is determined on the basis of carbon to which it is attached. The number of…

Q: When the following skeletal equation is balanced under basic conditions, what are the coefficients…

A: The unbalanced redox reaction given is  HPO2− + NiO2 → HPO32− + Ni(OH)2

Q: H3O+ + H₂O the rate and extent both increase the rate and extent both decrease the rate decreases…

A: Rate of reaction: for a chemical reaction the reaction rate is the speed at which a chemical…

Q: Calculate pCd²+ at each of the given points in the titration of 60.00 mL of 0.0060 M Cd²+ with…

A:

Q: 6.Balance the given skeleton reaction: O2(g) + NO(g) + H₂O(l) → NO3¯¯(aq) + H+ (aq) A. 2,4,3,4,4 B.…

A: Given equation: O2(g) + NO(g) + H2O(l) -------> NO3-(aq) + H+(aq)

Q: Constants needed for the calculations: c = 3.00 x 108 meters/second Planck's Constant (h) = 6.63 x…

A: Using the formula for wavelength and energy to calculate energy.  Using wavelength to calculate the…

Q: Choose which of the given equations is a oxidation-reduction (redox) disproportionation reaction. 3…

A:

Q: Consider the reaction 4HCI(g) + O₂(g) 2H₂O(g) + 2Cl₂(g) Using the standard thermodynamic data in the…

A:

Q: i need help to rank each 5 compunds by relative basicity use 1 for the strongest base all the way 5…

A:

Q: a. b. Br r_m

A: Detail mechanistic pathway is given below to carry out the following transformation

Q: The most suitable method of separation of 1:1 mixture of ortho and para-nitrophenols is (a)…

A: 1.) We would check nature of ortho and para nitrophenol to predict method of separation .  2.) To…

Q: Draw the structure of the compound whose spectroscopy data is provided. C6H12O 2.6 ppm, 1H, sextet…

A:

Q: CH3CH2CH=CH2(g) + HCl(aq) ---> CH3CH2CHClCH3(aq). Based on this reaction, what are the delta H and…

A: Give in following question a organic reaction propene reaction with HCl and formation of 2- chloro…

Q: f an instrument gives a response of 1240 for a standard containing 8 ppm of a substance, how much if…

A: The given question can be solved by using the unitary method. The assumption that we are taking is-…

Q: XS ㅅ ? HBr Draw the major organic product(s) of the reaction.

A:

Q: Cu+ (aq) + Cu(s) K = 6.2 × 108 2+ Pb²+ (aq) + 2e¯ = Pb(s) K = 4.0 × 10-5 Fe³+ (aq) + 3e = Fe(s) K =…

A: Higher the value of reduction potential or equilibrium constant, higher is the tendency of the…

Q: Question 2: Which of the following compounds are weak electrolyte and strong non-electrolyte,…

A:

Q: Identify the structure(s) observed at each point (a-c) indicated along the titration curve. Point…

A: We have match the curves to appropriate compound.

Q: Prove that the Statement if correct, give the proper solution and explanation  Using the balanced…

A:

Q: The solution contains the following cations: Nat 145 mEq/L, and K+ 143 mEq/L. If phosphate ion is…

A:

Q: Question 9 What is the major elimination product of the following reaction? EtOH/heat A. C. OA OB OD…

A: In this question we have to tell the major elimination product of the reaction.

Q: Chemistry An unknown radioactive substance has a half-life of 3.20 hourshours . If 34.7 gg of the…

A: All natural and artificial radioactive decays follows first order kinetics The integrated rate…

Q: The table below lists information about the radioactive decay of three nuclides. Fill in the missing…

A: The radioactive decay of the three nuclides are:

Q: What type of compounds have low to moderate melting points?   a. Ionic   b. Molecular

A: Comparison of melting point between molecular and ionic compounds

Q: An aqueous solution of calcium hydroxide is standardized by titration with a 0.161 M solution of…

A: Given data :

Q: Reaction B. Draw the product of reaction B. Select Draw Rings C H O Ć More Erase Q2 Q

A: Claisen condensation : Condensation of esters produces β keto esters in the presence of NaOEt and…