Write the electron configuration of an atom of the element highlighted in this outline of the Periodic Table: 1234567 Hint: you do not need to know the name or symbol of the highlighted element! Ú X He Ne Ar Kr Xe Rn S

Q: 2. Based on Appendix 1, identify any two (2) significant bonds and the approximate wavenumbers…

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Q: How many oxygen atoms are in one mole of Sn(SO4)2- 4.818 x 1024 02 04 08 O 6.022 x 1023

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Q: The CH3NH2 NH, molecule has 2 central or interior atoms. Around carbon, the molecular geometry or…

A: Both atoms has SP3 Hybridization

Q: At 25°C, Keq = 3.2 x 104 for the balanced decomposition reaction of one mole of H2CO3. H2CO3(aq) ⇄…

A: Given , The decomposition of H2CO3

Q: When 16.1 g of Na and 10.8 g of Br₂ react, what is the mass, in grams, of NaBr that is produced?…

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Q: The natural abundance of 14C in the earth's atmosphere and all living organisms is approximately…

A: Given, The half-life of C14 =t12= 5730 years The rate constant and half-life are related to each…

Q: The Lewis structure of urea is shown below. a. Apply the VSEPR model to find the basic geometry and…

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Q: Question 35 What is the correct Lewis structure for nitric acid, HNO,, including the format charges?…

A: Formal charge on an atom is calculated with help of valence electron,nonbonded electron and bonded…

Q: From experimental data, a student determined the concentration of acetic acid in vinegar to be…

A: Given: Measured value = 1.75% True value = 6.50% Calculate : Percent error = ?

Q: Which half-reaction occurs at the negative electrode (cathode) if the cell is used for silver…

A: Silver plating is a process in which layer of silver metal is deposited on other metals.

Q: What is the matrix effect? How may it affect the results in quantitative analysis?

A: Liquid chromatography- Mass spectrometry (LC-MS) is a very important separation technique.

Q: 61. Anhydrous chromium(III) chloride, CrCl3, is prepared by reacting Cr₂O3 with CCl4 at 800°C.…

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Q: 50. Calculate the number of moles in a 10.0 g sample of NaOH. 23 23 a. 0.250 mole b. 1.66 x 10 mole…

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Q: 5) Novel substances "Pink" and "Green" are placed in an insulated container, with their initial…

A: A question based on tools in analytical chemistry. Two graphs that represent variation of…

Q: Consider a separation performed on a 50.0 mm long open tubular column with a 0.50 mm diameter and a…

A: Given , Length of column = 50.0 mmcolumn diameter, d= 0.5 mmthickness =2.0 μmCompound A eluted at…

Q: Solute S has a distribution constant of 5.1 between water (phase 1) and hexane (phase 2). A 71.0 mL…

A: Given that,  The distribution coefficient is KD = 5.1. The volume of the aqueous layer is v = 71.0…

Q: Explain the following terms. a) Calibration curves b) Chromophores

A: A calibration curve is used to assesshow well the classifier is calibrated. H. How different are the…

Q: 0.25 mol of CuCl2*2H2O is added to make 500mL of total solution, what is that solution's molarity?…

A: Molarity= moles of solute ÷ Volume of solution (L)  Unit of molarity = mol/L = M

Q: 2. Carboxylic Acids a. Explain are carboxylic acids and esters in your own words. What is the…

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Q: The specific heat of mercury is 0.140 J/g°C. Calculate the heat necessary to raise the temperature…

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Q: Compute the fraction of these sites that are occupied by carbon atoms, given, an carbon alloy…

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Q: 8. How much mass is released as energy in the explosion of a 4.6 megaton bomb? Include at least 3…

A: The concept used here is from basic chemistry.  Here it is important to note that we have to find…

Q: A reaction at 32.0 °C evolves 695. mmol of sulfur tetrafluoride gas. Calculate the volume of sulfur…

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Q: A compound has the chemical formula C8H15Br. The M+ peak should be at m/z = m/z = and an M+2 peak at…

A: The concept used in this question is from Mass spectroscopy.  According to the question.  Given…

Q: 19.20. Det. the empirical formula from the following analysis of a specimen of a certain silicate:…

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Q: Question 63 Which of the following is a polar protic solvent? OD) OA) 09 OB) O E) CH3CHOHCH3,…

A: Polar protic solvents are those solvent in which there is electronegativity difference and which…

Q: Phosphorus-32 is commonly used in nuclear medicine for the identification of malignant tumors. It…

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Q: 13. For the following reaction, use the identity of the alkyl halide and nucleophile to determine…

A: SN1 reactions are favored by polar protic solvents (H2O, ROH etc), and usually are solvolysis…

Q: zero one two three produced required In the conversion of 1,3-bisphosphoglycerate to…

A: The concept used here us from Biomolecules chapter of organic chemistry.  According to question Here…

Q: Which of the following Bronsted-Lowry conjugate pairs is/are CORRECT? H3PO4 – PO43- C6H5COOH –…

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Q: Question 27 Rank the following compounds from most to least reactive in an Seaction O C. DE. 1 Br…

A: SN2 indicates that the reaction is a nucleophilic substitution bimolecular

Q: 2. Some of the molecules listed here have a center of chirality. Write the Fischer projection…

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Q: A student monitors a reaction using TLC. The starting material has a spot with an Rf of 0.25. After…

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Q: Consider the dissolution of slightly soluble salt, PbCl2 (Ksp = 1.70 x 10-5): PbCl2(s)      ⇌…

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Q: Kindly write the mechanism for the reaction of 3-isopropyl-5,5-dimethyl-6-phenylhexanal with NaCN to…

A: Formation of Cyanohydrin :  The first step involves the nucleophilic attack of the cyanide ion on…

Q: 3. Identify the reagents you would use to accomplish each of t transformations: Br Br OH НО. НО OH…

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Q: For many purposes we can treat ammonia (NH3) as an ideal gas at temperatures above its boiling point…

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Q: Draw the alpha anomer of D-glucose.

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

Q: A Try Again Your answer is wrong. In addition to checking your math, check that you used the right…

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Q: Question 31 The E1 reaction shares which characteristics with the S1 reaction? OD) 09 OA) OE O B)…

A: The E1 reaction shares which characteristics with SN1 reaction :

Q: Refer to the following table: ооо B (A) -0.34 V Hint: Recall E cell = Ered + O (B) -0.52 V…

A: E°cell = E°red  + E°ox      Given cell -  Tl(s)| Tl(aq) || Cu+(aq) | Cu(s)  Given, E°cell = 0.86 V

Q: The boiling point of chloroform, CHCI,, is 61.700 °C at 1 atmosphere. K₁(chloroform) = 3.67 "C/m In…

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Q: Identify the conjugate acid for each base. conjugate acid of HCO3: conjugate acid of SO²: conjugate…

A: When a base accept a proton ,then an acid forms , which called conjugate acid.  And when an acid…

Q: the electrolysis of molten alcl3 for 1.00 gr with an electronical current of 12.0 A produce _____ g…

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Q: A solution of Ca(OH)2 is 65 mOsmol/L. What is the mEq/L of the solution? Report your answer as a…

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Q: Determine the OH− in a solution with a pH of 3.7.

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Q: ft C W 7 A student proposes the following Lewis structure for the nitrite Cosoft 0—Ñ=0] Assign a…

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Q: You want to make a 410mM Na+ solution. You have 1.7mL of a 1.6M NaCl solution, what is the final…

A: Given, Note:  Initially solution of NaCl, Concentration of NaCl solution (M1) = 1.6 M  Volume of…

Q: A physician administers 250 mg of drug X to a patient as an oral pill and finds that only 50 mg of…

A: Given , Drug to be administered = 250 mg Drug which is bioavailable = 50 mg

Q: Identify the conjugate acid for each base. conjugate acid of HCO3: conjugate acid of SO²: conjugate…

A: Conjugate acid is differ from it's base by one proton.