Sketch an energy-level diagram for the conversion of reactants to products in an endothermic reaction. Label the activation energy barrier.

Q: Consider the following structures and list which molecules are capable of hydrogen bonding in a pure…

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Q: OMe CHO + PPh3 NaOH CH₂l2, Zn(Hg) Br 10 mol% PdCl₂(PPH3)2 20 mol% PCy3, DIPEA

A: Kindly repost your remaining questions seperately.

Q: 1. How can the water displacement method be used to measure the density of tan irregularly-shaped…

A: Water displacement method is a method to determine the volume of any solid substance . In this…

Q: Question 7 What type of compound is CH3-CH2-CH3? A) alkane B) branched alkane C) cycloalkane D)…

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Q: grams

A: Given , the reaction is NaIO3 + 6 HI →3 I2 + NaI + 3 H2O  We know ,  Number of mole = Mass /  Molar…

Q: 2. Calculate the density of an irregularly shaped solid if its mass is 50.2 g and its volume is 5.0…

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Q: Draw the skeletal (line-bond) structure of [CH₃CH₂CHC(O)CH₂CH₂CH₃]⁻. Include all lone pairs and…

A: In the skeletal line bond structure of an organic compound, carbon and hydrogens are not shown .…

Q: Write the IUPAC name of the following ALKYNES:  CHΞCH CH3-CH2-CΞCH CHΞC-CH|CH3|-CH2-CH3

A: According to IUPAC nomenclature system, for nomenclature of organic compound first select longest…

Q: Density is an intensive physical property. Look-up the meaning of an intensive property of matter…

A: Given - Density of 25.0 mL water = 1.001 g/mL. We have to find the density of 50.0 mL of water.

Q: Which of the following contains a natural polymer AND a man-made polymer? a) Polyester and…

A: A natural polymer is the one which is found naturally in nature. A man made polymer is the one which…

Q: Convert to a bond line structure

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Q: A cylinder of helium has volume of 600 cm^3? The cylinder contains 200 g of helium at a temperature…

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Q: So would this be an acceptable reasoning for the answer-

A: We have to explain why in amide the oxygen is more electrophilic than nitrogen, although the oxygen…

Q: How many molecules of hydrogen fluoride (HF) are in (2.1x10^-2) moles of hydrogen fluoride (HF)?…

A: Given  2.1×10-2 moles of HF  N0 = 6.022×1023

Q: At a temperature of 312 K, ? moles of an ideal gas occupy 572.9 mL at 726.6 mm Hg. Write your answer…

A: Given, Note: 760 mmHg = 1 atm Pressure (P) = 726.6 mmHg = 0.956 atm Volume (V) = 572.9 mL = 0.5729 L…

Q: What is the correct assignment of the names of the following heterocycles?

A: Heterocyclic Compounds are ring compounds having atoms of two or more elements in a ring beside…

Q: A The substance is likely lead. B C D LU E Substance Density (g/cm3) Substance Density (g/cm3) 1.00…

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Q: 1. Give IUPAC names for the follow Cl. CI CH3 Br CH₂

A: IUPAC nomenclature is used for naming the organic compounds as recommended by international union of…

Q: PG³0 О OPG' OPG2 Н Ф OH Он PG³0

A: Organic transformation.

Q: . A fighter jet must reach a speed of 62 m/s to take off from the deck of an aircraft carrier.…

A: Since, for conversion of m s-1 to miles s-1, 1 mile =1609 m 1hour=3600 s then,

Q: Calcium crystallizes in a face centred cubic struture. The edge length of its unit cell is 558.8pm…

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Q: A sample of hydrogen gas at a pressure of 1.08 atm and a temperature of 269 °C, occupies a volume of…

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Q: Use a spreadsheet to calculate the mean and standard deviation of the data set. 54.99, 54.40, 54.60,…

A: Given - expected values are 54.99, 54.40, 54.60, 54.63, 54.36

Q: 5. Write down a volume reading for each graduated cylinder below. Be sure to determine the last…

A: In the graduated cylinder, the bottom of meniscus is used to determine the volume of a liquid.

Q: Can introducing a catalyst make a non-spontaneous reaction spontaneous? If yes, how (what does the…

A: A catalyst is the one which generally increases the rate of reaction without itself being used up in…

Q: An alternative way to state Avogadro's law is "All other variables being fixed, the number of…

A: • In 1811, italian scientist Amedeo Avogadro gave Avogadro's law    • This law states that " all…

Q: Draw an “energy level diagram” for a calcium (Ca) atom. Can you help me, please? I need help

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Q: What type of orbital is not used in constructing the molecule shown below? 1. S 2. P 3. sp 4. sp² 5.…

A: The given molecule is ethyl acrylate.

Q: List the unique functional groups present on glycerol, myristic acid, and trimyristin

A: Functional groups are atoms or groups of atoms which add characteristic features in a compound. For…

Q: What are the resonance structures for CHOCHCHCH3?

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Q: Curved arrows are used to illustrate the flow of electrons. Follow the curved arrows and draw the…

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Q: . Lance obtains a silvery metallic unknown. He weighs the metal and finds that he has 60.55g. When…

A: a.) ∆V can be calculated using the initial and final volume of graduated cylinder . b.) Density can…

Q: What is the pH of a 0.02M solution of HCl? What would the H+ concentration be? What would the OH-…

A: HCl is a strong acid  and it completely dissociates into H+ and Cl- ions. The pH of a solution is…

Q: 5. Lance obtains a silvery metallic unknown. He weighs the metal and finds that he has 60.55g. When…

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Q: The amino acid histidine has ionizable groups with pKa values of 1.8, 6.0, and 9.2, COOH H₂N-CH CH…

A: GIVEN The pKa1, pKa2 and pKa3 values of Histidine are given as 1.8, 6.0 and 9.2. Initial pH of…

Q: Draw an equivalent resonance structure that minimizes charge. Include all lone pairs in your…

A: Resonance structures can be defined as the structures that collectively represent a polyatomic ion.…

Q: 18. Use Hess's law to calculate AG°rxn using the following information. CO(g) → C(s) + 1/2 02(g)…

A: Hess's law states that total energy change during course of a reaction is independent of the…

Q: The isomerization reaction: H3C-NEC → H3C-C=N obeys the rate law: rate= K[H3C-N=C] with k= 6.6 x 104…

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Q: What is the pH of a 0.045 M solution of TRIS base? Answer:

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

Q: Which of the following statement is TRUE of Proline? Select ALL that applies: Question 3 options:…

A: Amino acids are those which contain COOH and NH2 group. Amino acids are organic compounds that are…

Q: Why is it important always to use the same balance during the course of an experiment? What are the…

A: Let's focus on these two questions. 1)Use of same balance during the course of an experiment…

Q: What NaCl concentration results when 289 mL of a 0.710 M NaCl solution is mixed with 627 mL of a…

A: Given, There are two NaCl solution: I) First NaCl solution  Concentration of the NaCl solution =…

Q: conformations of the same compound, or the same conformation of a compound viewed from a different…

A: Stereochemistry is branch of chemistry in which we deal with three dimensional arrangement of atoms…

Q: Consider the reaction below: CaCO3(s) + 2H3O+ (aq) H=15.3kJ Since AH is a positive v a Therefore,…

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Q: Van der Waals Equation of State The Van der Waals equation of state is: (p+ ²) (V - nb) = nRT Table…

A: Given :-  Volume of CO2 = V = 2.91 L  Moles of CO2 = n = 0.213 mol  Temperature = T = 207 K  From…

Q: How many grams of MgBr2 are in 5.61 x 1022 molecules of magnesium bromide (MgBr2)? Mg = 24.01 g/mol…

A: To calctulate the grams of magnesium bromide in given number of molecules, we would use Avogadro's…

Q: How many molecules are contained in 25.23 grams of dihydrogen sulfide (H2S)

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Q: Conversion of one molecule of H20 to 02 releases how many e- ? A. 2 B. 4 C. 8 D. 6

A: Answer: This question is based on the change in oxidation number when water molecule gets oxidized…

Q: What is the hybridization of the oxygen-bonded carbon atom in the following molecule? 1. S 2. p 3.…

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Q: Selenium dichloride, SeCl2, has a molar mass of 149.86 g/mol.  What is the mass in grams of 0.325…

A: Given, moles of SeCl2 = 0.325 moles molar mass of SeCl2 = 149.86 g/mol mass of SeCl2 = ?