(s) NAOH EŁOH H, COOEE dietil malonato

Q: A 20.0 mL sample of 0.150 M ethylamine is titrated with 0.0981 M HCI. What is the pH after the…

A: Given  mmoles of base = 0.15 M x 20 mL = 3 mmoles of acid = 0.0981 M x 5 mL = 0.4905…

Q: 5. A sample of Magnesium contains three isotopes and its average atomic weight is 24.35 amu. If the…

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Q: 29 17. What information cannot be determined from the symbol notation 14Si? O the mass number O the…

A: To solve this problem we will use the concept of symbols notation

Q: Question 20 Consider the diagrams below. Rxn Progress Rxn Progress Rxn Progress II • Which diagram…

A: To solve this problem we have to know about the given chemical reactions diagram

Q: 3. Answer all parts (a) Consider the two reactions in the scheme below: Br NaN3 DMF Product and…

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Q: In the United states densities are sometimes given in the unit Ib.ft. At 20 °C, what is the density…

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Q: If a reaction has a ΔH = 150 kJ/mole and a ΔS = -2550 J/mole K, at what temperature range  would…

A: Gibbs free energy change is negative for spontaneous reaction

Q: An activator molecule like DCC is important to create a good leaving group from a -COOH functional…

A: DCC is named as dicyclohexylcarbodiimide. It is used as a coupling agent in most of the organic…

Q: 2. Calculate the AH for the following reaction: 3 Fe + 4 H20 → Fe;04 + 4 H2 Given the following…

A: Here we are required to find the delta H for the given reaction

Q: Why is the synthesized aspirin in the laboratory cannot be used for commercial and pharmaceutical…

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Q: The following diagrams contain one or more of the compounds: H2A, NaHA, and Na2A, where H2A is a…

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Q: The action of dilute nitric acid on copper is represented by the equation: Cu + HNO9->…

A: Given-> Weight of HNO3 = 250.0 gm Cu(s) + HNO3-----> Cu(NO3)2 + H2O + NO

Q: What is the hydronium ion concentration in a solution that has a pH of 8.34?

A: Given: pH = 8.34  Find concentration of Hydronium ion [ H3O+ ]

Q: Calculate the energy of a mole of photons corresponding to a wavelength of 300 nm.

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Q: is the mass of each component? s of CH,O : g CH,O s of water: g H,O

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Q: 1. Draw the best Lewis dot structure for SeF4 in the correct molecular geometry [Include formal…

A: Draw the best Lewis dot structure for SeF4 in the correct molecular geometry [Include formal…

Q: When 1, 2-dichlorooctane is treated with potassium hydroxide in aqueous ethanol, a mixture of three…

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Q: Three 15.0 mL acid samples-0.10 M HA, 0.10 M HB, and 0.10 M H2C-are all titrated with 0.100 M NaOH.…

A: For the titration of wek acid HA, strong acid HB and diprotic acid H2C True statements for the…

Q: 9. Which of the following is not a disadvantage of nuclear fusion reactions? The sun produces a…

A: The correct answer is given below

Q: Is the formation of acid rain spontaneous or non-spontaneous at 50°C?

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Q: Literature IR spectrum of salicylic acid - copy image of the IR (KBr disc) from SDBS and attach here…

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Q: reactant and calculate the theoretical yield of water producet ced in the experiment, what is the…

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Q: For the reaction M9CO3 (s)-MgO (s) + CO2 (g) we can say that it is a reaction; spontaneous not…

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Q: QUESTION 4 Using the bond enthalpy data from the table below, estimate the enthalpy of reaction…

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Q: Oiven the cash Nows in the tnble below for three different alternatives, determine which alternative…

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Q: A chemical reaction requires 452.3 kJ of heat and performs 87.0 kJ of work on the surroundings. What…

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Q: a gal vanic cell runs on the following reaction: Fz (aq) + Sn(s)2F (a9)+ Sn²"Caq) Draw a diagram for…

A: Here we are required to draw the cell diagram for a given  galvanic cell reaction

Q: Given 735 g of carbon; what volume will carbon occupy assuming it has a density of 3.5 m/L. What is…

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Q: Dilution of Solution Use the correct Significant figures and Solve the following problems…

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Q: periment 1: Determine the Relationship Between the Volume and Pressure of Propane ded 1.000 atm…

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Q: Chemistry Give the products of the reaction of 1 mole of 2-methy1-1,3-pentadiene with 1 mole of…

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Q: For 4130 steel, how many atoms per carbon atom are there? Please show work.

A: For 4130 steel, the amount of iron atoms present are alomst 98%. There is maximum percentage of iron…

Q: When 11.3 g of an organic compound known to be 62.04% C, 10.4% H, and 27.55% O by mass is dissolved…

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Q: a. Will a precipitate form? (Ksp(PbF2) = 3.6 × 10-8) b. If so, calculate an approximate mass of…

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Q: Difference between Experimental IR and literature IR of pure salicylic acid Explanation on the…

A: A question based on IR spectroscopy that is to be accomplished.

Q: temperatuse andpH ower Whicch is Not acorrect statement about enzymes? end why tTEnzyms are needeel…

A: Given statement is :  Which is not the correct statement about enzymes ? and why ? Options are :…

Q: Please write the IUPAC name of the following compounds. Observe proper punctuations. Make sure that…

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Q: Write the equilibrium expressions for the following balanced equations: a. 7H2 (e) + 2NO2 () 2NH3…

A: Write the equilibrium expressions of the given reactions----

Q: Complete Structure # of Carbons Shortcut Alkanes Structure Cycloalkanes (If applicable) 1 2 5 6 7 8…

A: 1- methane  2- enthane 3- propane 4-butane 5 - pentane 6- hexane 7- heptane 8- octane

Q: metallic character increases as you move to the right acrosss a row in the periodic table and…

A: The correct option is  C)metallic character decreases as you move right to the periodic table and…

Q: A solution containing Cu2+ is analyzed by atomic absorption and gives an absorbance of 0.01000…

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Q: 0.400 L sample of gas at -55.0 °C and a pressure of 2.15 atm is allowed to expand to double its…

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Q: A buffer solution contains equal concentrations of X and HX (K, = 1.0 x 10 %3D P). Determine the pH…

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Q: There are two compounds with the formula C,H16 that are capable of existing as enan- tiomers. Write…

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Q: What is the standard cell potential of a cell with an overall cell reaction Pb+ Fe2Pb2*+Fe? Will it…

A: Given-> E°Pb2+/Pb= -0.125 V E°Fe2+/Fe=-0.440 V ->In galvanic cell the energy from a…

Q: (b) Reaction between an aldehyde and ketone (see below), in base gives a compound A with 'H NMR…

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Q: 32p has a half-life of 14.3 days. The original sample of 32p has a mass of 1.88 g. Approximately…

A: The correct answer is given below

Q: A student titrates 20.0 mL of 1.0 M NaOH with 2.0 M formic acid, HCOOH (K, = 1.8 x 10 4).…

A: The equivalence point is the theoretical value of the volume of acid required to titrate the base,…

Q: Molecular (covalent) compounds

A: Covalent compound are those compound where the atoms share the electrons between them and also there…

Q: MgBr A Mg, THF Br ? В ОН CI ? CH3NH2 NHCH3 D ?

A: Given,

Photochemistry

Photochemistry is the part of chemistry that studies the various mechanisms of reactions that are triggered by the presence of light energy. It also helps to study the changes involved in a molecule that can undergo the absorption of radiation.