Perform the following and give your answer with the proper number of sigifigs 0.02070 ÷ 4.50 (2.3x10³)

Q: What would be the major product of the following reaction: Select one: O a CH₂CH₂CH, O b.…

A: In this question, we will see the final major product for the given reaction ( this is an aldol…

Q: Consider the following data on some weak acids and weak bases: acid base Ka K₂ name formula name…

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Q: 3. a) Describe the main differences between ionic, covalent, and metallic bonding.

A: Ionic bonding occurs when transfer of electrons takes place. One atom (or molecule) donates one or…

Q: Which of the following is the most basic amine? (A) benzylamine B N-ethylethanamine C pyridine (D)…

A: Base pKb Benzylamine 4.66 N-ethylethanamine 3 pyridine 8.8

Q: A chemist is studying the following equilibirum, which has the given equilibrium constant at a…

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Q: a) State the electronic configuration in terms of the wave-mechanical model for: i. Titanium (II)…

A: Here we have to write the elctron configuration ofTi2+ according to wave mechanical model of atom.

Q: A chemist received a report from an analysis involving the iron-phenanthroline method, containing…

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Q: a.

A: Condense formula represents all atoms in a line like text, present in the compound. They are in the…

Q: НС H . CH3 H CH3 H " CH3 н CH3 H3C H

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Q: Discuss how you can determine which of these compounds might be alkanes, cycloalkanes, alkenes, or…

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Q: Students performed the ideal gas experiment using other metals. One group used 0.03 g magnesium…

A: The reaction of the metal, M (Mg or Zn) with acid is: M+2 HCl→MCl2+H2

Q: Draw the mechanism of free radical bromination and product (only initiation & Propagation) Br₂ hv

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Q: Two of the following will give the same dimethylcyclooctatriene prod (A) while the third one will…

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Q: Draw the cis- geometric isomer for [Fe(ONO)2(ox)2]4-

A: Coordination complex contains a central metal ion that is surrounded by molecules known as ligands…

Q: Once upon a time, Tricia and her sister Jillian are doing titration to assess the molarity of the…

A: First method pH strip : 1 mL of the sample has a pH of 3.3 , 1 mL of the same sample was diluted…

Q: A chemist prepared a reagent blank and 6 Fe standards with the following concentrations: 20, 30, 40,…

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Q: Selenium-73 decays by positron emission with a half-life of 7.15 hours. What mass remains from a…

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Q: A controversy broke out as a dead body was found in a bar on Cornelia Street. The media revealed…

A: Given: [CN-] prior to dilution, M Abs@ 725 nm 0.000 0.002 0.040 0.160 0.100 0.390 0.160…

Q: This molecule and its mirror image is chiral or achiral? and what stereocenter do they represent?

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Q: The standardization of same titrant during the determination of BOD5 of water sample was done…

A: The BOD5 test, also known as the Biochemical Oxygen Demand test, is a biochemical test that measures…

Q: Which product will predominate when 2-bromo-3methylbutane undergoes E2 reaction? (A)…

A: E-2  Elimination reaction via second order . This elimination forms alkene in presence of strong…

Q: The electronic geometry of H2O molecules is tetrahedral. If the position of 1 hydrogen is switched…

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Q: The greater acidity of carboxylic acids compared to alcohols arises primarily from Select one: O a.…

A: When alcohol loses a proton ,it doesn't form stabilized anion . For example, when CH3OH loses a…

Q: Which of the following is/are true when CH3COOH is dissolved in water? I. At equilibrium, [CH3COOH]…

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Q: Why can't water alone clean soiled clothes effectively? How does the detergent help in the cleaning…

A: Water  can not clean soiled clothes alone , And this is explain below .

Q: An unknown sample of ascorbic acid was titrated with 25.87 mL of 0.8198 M KIO3 (aq). Calculate the…

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Q: II. Predict the product(s) of the following reactions: COCI CH3NH₂ .COzCH2CH3 CO₂H H -CH3 H CH₂OH…

A: In this question, we will draw the structure of the products for the given reactions in the…

Q: What will be the effect on the calculated heat capacity of the styroball calorimeter if the test…

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Q: The following reaction produces: || CH3CH₂-C-OCH(CH3)2 + NaOH CH3COONa+ CH3CH(OH)CH3 CH3CH2COONa+…

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Q: The mass of a proton is 1.00728 amu and that of a neutron is 1.00867 amu. What is the binding energy…

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Q: Explain why carbon is able to form so many more compounds than any other element.

A: Like many other elements, carbon forms numerous compounds; these compounds are called carbon…

Q: Which of the following is true about TOTAL WATER HARDNESS? A sulfates of Ca²+ and Mg²+Ca and Mg that…

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Q: Calculate △U and △H for the transformation of one mole of a ideal gas from 27°C and 1atm to 327°C…

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Q: 10- turning on a light in which the electricity changed to light occurs according to Ob- Third law…

A: Thermodynamics is the branch of science, which deals the change in energy or heat in different…

Q: 2. For each of following complexes specify a) The complex ion b) The ligands (draw them if they are…

A: a) K4[Fe(ox)3]→4K++[Fe(ox)3]4- The complex ion is [Fe(ox)3]4-. b) The ligand is oxalate, c) The…

Q: Which of the following compounds would be the STRONGEST base? Select one: a. Benzamide b.…

A: Since there are two questions so I am solving one question if you want to solve another question…

Q: Which nucleophilic substitution mechanisms would require a polar protic solvent? A SN1 B) SN2

A: A nucleophilic substitution reaction is a class  of chemical reaction . In this , an electron rich…

Q: 35 mg/l of Chlorine is required to treat a flow of 55.3 million gallons per day (MGD). The solution…

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Q: Which of the following statements is true regarding the iron-phenanthroline method?   I. Any…

A: Analytical chemistry involves the separation, identification and purification of compound.

Q: 17) The solubility of sodium chloride is 36 grams per 100 grams of water. Which of the following…

A: We will calculate the highest solubility in every given solution. If maximum possible amount of…

Q: Classify each of these molecules as alcohol, aldehyde, ketone, carboxylic acid, amine, or ether:

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Q: Determine the mass of nickel that shall be electroplated from a solution of nickel (II) chloride by…

A: Given  Current (i) = 0.25 amperes Time (t) = 10 hours  = (10×60×60) seconds  t = 36000 seconds  Mass…

Q: Calculate the kinetic energy in joules of an automobile weighing 4175 lb and traveling at 45 mph. (1…

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Q: Which of the following statements is true regarding the iron-phenanthroline method?

A: Iron- phenanthroline method is a colorimetric method for quantitative analysis of Fe2+. Fe2+, when…

Q: 1. 3-methylpentanal + HCN 2. hexan-3-one + 2 mol ethanol, H+ 3. m-ethylbenzaldehyde + NH₂NH₂ 4.…

A: The reactions have been solved below

Q: [Standardization] A 0.3045 g of CaCO3 primary standard was dissolved using concentrated HCI,…

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Q: QUESTION 1 a) A 400 mL solution contains 0.138 g NaCl. Calculate the ppm concentration of NaCl. b)…

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States of Matter

The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates). 

Chemical Reactions and Equations

When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.