What is the name of the alkali metal that is in period 4? Potassium What is the name of the halogen that is in period 4? Bromine What is the name of the alkaline earth metal that is in period 2? What is the name of the noble gas that is in period 3?

Q: . Show a reasonable mechanism for the following reaction. benzoic acid 1. NaOH 2. chloroethane ethyl…

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Q: 6. Complete the following reactions for alkynes. Draw the structure of the product. Name the…

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Q: An impure sample of KHP had a mass of 1.520 g, It was dissolved in titrated with 38.5 ml of 0.155 M…

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Q: For each of the following aqueous reactions BELOW, identify the acid, the base, the conjugate base,…

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Q: A mixture of argon and xenon gasss in a 7.84 L flask at 47 degrees celcius, contains 7.36 grams of…

A: We can solve Given problem by using ideal gas equation PV=nRT And  mole fraction= mole of solute/…

Q: Formic acid is a monoprotic acid with a Ka of 1.8 x 10-4. What is the pH of the original 0.40 M…

A: we need to calculate the initial pH of formic acid

Q: Provide IUPAC names for the given structures or structures for the given names. HN-CH₂ CI god you

A: The answer to the following question is-

Q: predict the reaction type (single or double displacement)  -- predict the names and states of the…

A: Given that, Copper metal + aqueous silver nitrate

Q: < Question 4 of 15 Complete and balance the following half- reaction in acidic solution. Be sure to…

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Q: The following information is given for chromium at 1 atm: T= 2672.00°C Tm 1857.00°C Specific heat…

A: Below attached file showing the details answer. All the best.

Q: Henry titrated 50.00 mL of 0.25 M nitrous acid with 0.50 M NaOH. What is the pH of the solution at…

A: Given -&gt; Volume of nitrous acid (HNO2)= 50.00 ml Molarity of HNO2 = 0.25 M Molarity of NaOH =…

Q: Elucidate the structure for compound B using spectroscopic data provided. B. Spectral analysis of a…

A: There are 5 sigals appears for 1H-NMR spectrum, therefore five types of proton will present in…

Q: To prepare a solution of NaCl, you weigh out 2.634 (+0.002) g and dissolve it in a volumetric flask…

A: Mass of NaCl = 2.634 +- 0.002 g  Molar mass of NaCl = 58.443 +- 0.0012 g/mol  Volume of solution =…

Q: Part 2: Assay of tartaric acid (Jenkin's Quantitative Pharmaceutical Chemistry by Knevel, pp.108)…

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Q: Complete the following reaction NH₂ O CH3 NH₂ CH3 Br CH3 NH₂ CH3 NH ₂ CH₂ Br 1) HNO/H₂SO4 2)…

A: When a primary aromatic amines is treated with nitrous acid in a well cooled solution, the product…

Q: Which compound of each of the following pairs is the stronger acid/base? H3AsO3 or H3AsO4 H2SO4 or…

A: Strong acids or strong base are those acids which  are completely or nearly 100% ionized in their…

Q: Give IUPAC names to the following compounds: e. H₂C H₂N CH3 CH !!!!!INH₂ SIC/ CH₂ d. f. CH₂ CH₂…

A: A question based on nomenclature that is to be accomplished.

Q: Find the absolute and percent relative uncertainty. a. 6.2 (10.2) -4.1 (±0.1) = ? b. 9.43 (0.05) x…

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Q: Standardizing the 0.1 M HCI using standardized 0.1M sodium hydroxide solution No. of titration…

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Q: Of the structures shown, which two are isomers? 1 and 2 1 and 3 O 1 and 4 2 and 4 O 3 and 4 2

A: Compounds that have same formula(same numbers of atom) but a different arrangement of atoms in the…

Q: please do this typewritten, so everything is visible. thank you I will upvote only if typewritten.

A: c) part answer

Q: Provide the correct IUPAC name for the skeletal (line-bond) structure shown here.

A: Rule of IUPAC-1) Longest chain as parent chain.2) Numbering start from those side where more prior…

Q: 4. From the following data table find the average rate of reaction between 25 min to 55 minute. t…

A: First of all we need to plot graph between Time and Concentration.  From this graph we can find out…

Q: Give IUPAC names to the following compounds: а. нс. H₂C-N нс нс НС нс HO CH₂ -CH3 NH₂ NO₂ .CH3 НС НС…

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Q: McKenzie titrated 150.00 mL of 0.20 M trimethylamine with 0.50 M HCIO4. What is the pH of the…

A: Concept based on the calculation of pH of the base solution.

Q: H O 'N'

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Q: Using curved arrows, show the deprotonation mechanism of phenol with hydroxide (-OH). Also, provide…

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Q: Give IUPAC names to the following compounds: a. с. нс. НС нс НС НС НО CH CH3 -CH₂ NH₂ CH₂ Н.С -CI…

A: IUPAC nomenclature system is used to give the name for organic compounds systematically. In this…

Q: Laroka decided to titrate 39.3 mL of 0.100 M HCI with 0.190 M NaOH. What is the pH of the solution…

A: pH can said as potential of hydrogen of an aqueous solution as it is used to determine the H+ ion…

Q: 1. Ag₂0, NaOH 2. H₂O H

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Q: A 2.11 gram sample of methane gas has a volume of 805 milliliters at a pressure of 2.97 atm. The…

A: Given Mass of sample = 2.11 g Volume = 805 ml = 805 * 10-3 L Pressure = 2.97 atm

Q: A scientist measures the standard enthalpy change for the following reaction to be - 2914.6 kJ:…

A: Heat of formation of a reaction can be calculate such as ∆Hrex =  Σ ∆Hf( product) - Σ ∆Hf( reactant)

Q: BHO DIHADIO OT HOITOUCQuestions and Problems 62 Name the following using the IUPAC Nomen System: Cl…

A: First qe have to select longest carbon chain which includes main functional group.  Iupac…

Q: We can draw three inequivalent Lewis structures for the bromate ion, BrO3 structure that is the best…

A: we have to calculate the formal charge and determine the best Lewis structure

Q: How many alkenes will be produced from 3-ethyl-3-pentanol via a dehydration? Co C1 O 2 C 3 4.

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Q: On a separate sheet of paper, draw the two alternative chair conformations for the product formed by…

A: To draw the two alternative chair conformations for the product formed by the addition of bromine to…

Q: a. Is it possible for a solution of weak acid and a solution of strong acid to have the same pH? b.…

A: It is a measure of Hydrogen ion concentration in a solution. Strong Acid : The acids which are…

Q: Indene NH4Br, KHSO5, CH3CN:H₂O Br OH or "Bromoindanol" OH Br You will determine the structure of…

A: This occur via bromonium intermidiate

Q: pt of The following thermochemical equation is for the reaction of hydrogen sulfide (g) with…

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Q: Which of the following Newman projections correctly represents the structure of (2R,3S)-2-chloro-…

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

Q: What mass of sodium bromide, NaBr, is needed to prepare 2.500 of a 0.600 M solution. A) 154.4 grams…

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Q: Preparing 0.1 M sodium hydroxide (NaOH) solution Sodium hydroxide pellets (g) Dilution volume (mL)|…

A: Molarity is defined as the number of moles of solute present in one liter of solution.

Q: What are the main instrumentation components difference between Uv-visible and Fluorescence…

A: Most of the instrumentation components of UV-Vis and fluorescence spectroscopy are same. But some…

Q: Which of the following sets of systems are in order of increasing entropy? A B C H₂(g), HBrO (g),…

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Q: sample of an unknown gas is found to have a density of 1.97 g/L at a pressure of 1.26 atm and a…

A: Density = 1.97 g/L Pressure = 1.26 atm Temperature = 52°C = 325.15 K Molar mass = ?

Q: The following thermochemical equation is for the reaction of carbon dioxide(g) with hydrogen (g) to…

A: The reaction enthalpy value that is ∆H value positive means the heat is absorbed during the…

Q: A local AM radio station broadcasts at a frequency of 803 kHz.(1kHz=1000s^-1) calculate the energy…

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Q: Provide a basic sketch of a nuclear core found in a nuclear power plant. Provide and identify the…

A: Please find your solution below : Nuclear energy is the energy produced by the use of nuclear…

Q: A 1.07 mol sample of Ar gas is confined in a 25.2 liter container at 12.3 degrees celcius. If the…

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Q: A 0.640 M solution of a weak base (B:) is made. The solution has a pH of 9.42. Calculate the Kb of…

A: a)  Concentration of the weak base solution (C) = 0.640 M pH of the solution = 9.42 Kb of the base =…

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.