How many grams of KOH are present in 31.5 mL of a 5.99 M KOH solution? Round your answer to 3 significant digits.

Q: Once the saponification is complete the unknown alcohol and carboxylic acid are separated by…

A: Saponification is the process of the formation of soap from oil or lipid types of compounds in…

Q: Titanium is used in some bicycles because with a density of only 4.5g/cm3 it is strong but…

A: Density is defined as the mass of substance per unit volume. It is represented as d = mass / volume…

Q: Given the cell notation: Element Fe Cd Reduction Half-Reaction Fe²+ + 2e Cd²+ + 2e Fe/Fe²+…

A: We will first calculate the Eocell and using the Nernst equation we will calculate the Ecell. And…

Q: A 94.0 mL sample of 0.0300 M HIO, is titrated with 0.0600 M NaOH solution. Calculate the pH after…

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Q: Acetone has the density of 0.7845g/mL what is the mass in grams of 0.250L of acetone?

A: Density, mass and volume are related by the following equation, density=massvolumeOn rearranging the…

Q: What wavelength of light would be emitted by a hydrogen atom if an electron moved from the n = 8…

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Q: a student weighed a piece of filter paper as 0.371g and then filtered the precipatate from a…

A: Percent of a reaction can be calculated by using the formula : percent yield of a reaction…

Q: A two-year-old, 15 kg child is found with an open container of hand sanitizer. The product contains…

A: Given the referral dose of alcohol = 50 mgdL First, we have to find the total body fluid in the 15…

Q: What is the percent concentration of a solution containing 68945 mg of solute dissolved in 67.77 mL…

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Q: O A CI (CH3)2CuLi ? ОН ОН др B C OH D

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Q: Which ion will be deflected most in the magnetic field of a mass spectrometer? A. 53/24 Cr+ B.…

A: (A) C2453r+ (B) C2452r+ (C) C2453r2+ (D) C2452r2+

Q: Calculate PN₂ (298.15 K, 1 bar) for nitrogen in air, assuming that the mole fraction of N₂ in air is…

A: It is given that, Temperature = 298.15 K Pressure = 1 bar Mole fraction of N2 in air yn2 = 0.783

Q: QUESTION 18 Which series of reactions will NOT give the desired product? OH CN O A.1. H-Br 2. NaDEt…

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Q: Which of the following statements regarding electromagnetic (EM) radiation, behaving like a wave…

A: Electromagnetic radiation consists of particles called photons and energy of a photon is directly…

Q: QUESTION 1: CH 3 & 1) NaOH, 25 °C 2) QUESTION 2: CH 3 OEt QUESTION 3: Br 1) Navet 2) 9 H3C Eto 1)…

A: The above reactions go through enolate intermediate , enolates are anions derived from the…

Q: Provide a detailed, stepwise mechanism for the acid-catalyzed condensation reaction between…

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Q: For each of the following complexes, give the charge of the metal center and determine if the…

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Q: 3 CH,Br(9) + NH,(9)→ (CH₂), N(!) + 3 HBr(9) AH-73. kJ Use this information to complete the table…

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Q: 8. Match the following: currently equal to whole numbers 1 through 7 indicates the shape of the…

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Q: 1. Classify the following reactions as either anabolic or catabolic in the space provided: a)…

A: Anabolic versus catabolic

Q: ANALYSIS, THE FIRST PICTURE SHOWS THE SUBSTANCE  WHICH IS 6 QUESTIONS FOR THE SUBSTANCE  1. Which…

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Q: CHY+ -OH →· CH3 + H₂O elementary reaction a the rate constant...of. q reaction is. 4.75 x 10 m³.…

A: We know for  an elementary reaction order = molecularity so order of the reaction is 2 . For a 2nd…

Q: Given the available data calculate the target VO2 range: VO2max: 75 ml/kg/min Age: 55 years old…

A: VO2max = 75 ml/kg/min Target VO2 using percent intensity desired is: Target VO2 = VO2max x (%…

Q: Name the following compounds: 1. 2. 3. 4. Br H₂C-CH-CH₂-C-OH 0-2-4- -0-0H -CH₂-CH₂ H₂C-CH-CH₂-OH CI…

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Q: estion 28 Rank the carbocations from least stable (1) to most stable (4). X

A: Given : structure of molecules Tip : 1) stability order 3°>2°>1°>CH3         2) Hoffman…

Q: The solubility products of CaCO3 and FeCO3 are 4.5 x 109 and 2.1 x 10 11 respectively. Part A…

A: The solubility product, Ksp of CaCO3 and FeCO3 are given as 4.5 × 10-9 and 2.1 × 10-11 respectively.…

Q: How many unpaired electrons does a neutral Co atom have?

A: Atomic number of cobalt atom is 27

Q: What is the mass in grams of 3.9 teaspoons of olive oil if 1 teaspoon = 4.929 mL and the density of…

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Q: 4. A 10.00-mL sample of a vinegar solution is titrated with a 0.178N NaOH solution. It requires…

A: Answer: This is the question on titration between acid and base where base is the the titrant and…

Q: Two moles of an ideal gas are expanded reversibly and isothermally at 0 °C from 1 atm. Calculate the…

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Q: 1 a Name each of the following compounds: CH3 HạC—CH—CHz NHa A B CH3 HạC—CHCHNH, CH3 с CH3 H₂C…

A: " Since you have posted a question with multiple sub-parts , we will solve first three sub-parts for…

Q: All of the following names are incorrect or incomplete. In each case, draw the structure (or a…

A: First we would draw the possible structure using the give names and then check the error to write…

Q: Determine the empirical formula for the made-up compound with the following percent composition…

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Q: 5. What is the % (m/m) where the mixture is 2.0 g of Na and 15.0 g of Copper? a. 11.8% b. 13.3% C.…

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Q: A certain tooth has 232.6mm3 of enamel. If the density of enamel is 2.68g/cm3 what is the mass of…

A: Mass, volume and density are related as Density=massvolumeOn rearranging the above equation, we…

Q: 1. Write out the complete ground state electron configuration for a neutral silicon atom? 2. How…

A: we have to write the complete electron configuration of Si and find number of valence and core…

Q: made-up compound: J2(QZ3)2 Determine the number of molecules of J₂(QZ3)2 in 7.2 grams of J₂(QZ3)2…

A: Given -> Weight of J2(QZ3)2 = 7.2 gram  Atomic mass of J = 19.00 g/mole Atomic mass of Q = 35.00…

Q: Which diagram below best represents the heating curve for ethanol? Physical Data for Ethanol 150 =…

A: Hi there! as there are multiple questions posted. we are solving first question.  If you need…

Q: A) 8) Choose the expected product of the following reaction. 1) excess NaOH u 2) Br-(CH₂)-Br 3) H",…

A: The products of the reactions are given below with probable reaction mechanism-

Q: what is emol-hydroxy

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Q: O Macmillan L Rewrite the following electron configurations using noble gas shorthand.

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Q: Draw a structural formula for the substitution product of the reaction shown below. H OCH3 . Br…

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Q: Why is the S2O82- → HSO4− reduction not listed with the rest of the sulfur’s Latimer diagram?

A: Latimer diagram shows the reduction potential from the highest oxidation state to lowest oxidation…

Q: Can someone help me like explain how to do these I keep getting them wrong please?   1.)Answer the…

A: Heat of vaporization : It is defined as the amount of heat energy required to turn 1g of a liquid…

Q: Exercise The fat content of potato chips is determined by weighing a sample before and after…

A: First we need to calculate the weight is fat in each sample using the data as :  Weigh of fat =…

Q: A pump withdraws water from a lake at a rate of 20 gpm and increase the pressure to Pgauge = 5 bar.…

A: The ratio of the kinetic energies of the water to the potential energies of the water at the input…

Q: Zinc reacts with hydrochloric acid according to the reaction equation Zn(s) + 2 HCl(aq) - ·…

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Q: 6. What is the frequency (in Hz) of 615 nm visible light? What color is this light? A: 485 x 1014

A: Given : wavelength = 615 nm  Tip : frequency = speed of light ÷ wavelength

Q: At a certain temperature this reaction follows second-order kinetics with a rate constant of 64.6…

A: Here we are required to find the concentration of the NH4OH that would remain after 0.920 sec

Q: For the reaction KCIO4 → KCI + 20₂ assign oxidation numbers to each element on each side of the…

A: Here we have to  determine the oxidation number of the atoms in the redox reaction.

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.