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Use the molecule below to answer the following questions.
2-chloro-1,3-dimethylcyclohexane
Draw all configurational stereoisomers. (c) Identify which isomer(s) will have the same boiling point as the molecule below. (d) Identify which isomer(s) will have a different boiling point than the molecule below. (e) Label each isomer as optically active or optically inactive. (f) Label any meso compounds. (g) Explain how you determined the answers to parts b-f.
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Write the balanced dissociation equation for solid cesium phosphate in aqueous solution. If it does not dissociate, simply write only NR. Be sure to include the proper phases for all species within the reaction.
Write the balanced equation for the reaction of lead (II) nitrate (aq)) with sodium iodide(aq) to form lead (II) iodide precipitate and sodium nitrate solution (b) If I start with 25.0 grams of lead (II) nitrate and 15.0 grams of sodium iodide, how many grams of sodium nitrate can be
1.Compare cyclic and non-cyclic electron transport in photosynthesis. What is the equation for cellular respiration? photosynthesis? Define non-disjunction. What is a consequence?2.Describe how oxidative phosphorylation can be uncoupled to produce mainly heat. 3. Describe the steps of both Meiosis I and Meiosis II. Also Mitosis. 4.How is genetic diversity achieved
Infrared (IR) spectra with the stretching (n) and bending (d) frequency (cm-1) data have been provided to you. Draw and label the structures of (i) 2,6-dimethylaniline, (ii) the amide product from Part I, and (iii) lidocaine freebase. Highlight functional groups (e.g., circle and name the 2° amide). Next to the
2-mehtyl-2-butanol 2-chloro-2-methylbutane Reaction product:
1.a. Determine the thickness of each piece of aluminum foil in micrometers by using the density of aluminum. Density of Aluminum: 2.70 g/cm3 Al foil piece 1 Al foil piece 2 Al foil piece 3 Length (cm) 10.30 10.30 10.15 Width (cm) 7.20 7.95 7.65 Mass (g) 0.35
1. Write balanced reaction equations and draw its structure for the reactions involved (a) when benzoic acid dissolves in aqueous NaHCO3 and (b) when benzoic acid is precipitated from an aqueous solution of HCl.
Draw the final step of the mechanism and predict the major product obtained from the dehydration of 2,3-dimethyl-2-pentanol. Draw all the reactants and/or products in the appropriate boxes by placing atoms on the grid and connecting them with bonds and including charges where needed. Indicate the mechanism by drawing the
1. Calculate the theoretical yield of aspirin in grams from the salicylic acid below. Given Mass of salicylic acid: 2.00 g Theoretical yield of aspirin (g): _______________ 2. Calculate the percent yield of aspirin Given Mass of watch glass + aspirin: 44.47 g Given Mass of empty watch glass:
Determining the Empirical Formula of Magnesium Oxide Lab Overview: The quantitative stoichiometric relationships governing mass and amount will be studied using the combustion reaction of magnesium metal. Magnesium is reacted with oxygen from the air in a crucible, and the masses before and after the oxidation are measured.
Step II options: 1. xsNaNH2 2. H20 NaOH Na/NH3(I) Step III options: 1. Na/NH3(I) 2. CH3CH2Br 1. NaNH2 2. CH3CH2Br 1. Na/NH3(I) 2. CH3CH2OH Step IV options: H2/Pd/C H2/Lindlar catalyst Na/NH3(I)
Identify the number of sima bonds, pi bonds and lone pairs and hydrogens in the following molecules Thank you
“Lg” is an abbreviation for “leaving group”. In the molecule below, “Lg”, the leaving group, is more electronegative than carbon. Keep in mind, the more electronegative an atom is, the better able its anion is to hold a negative charge. For the problems/questions below, Lg will represent a halogen; therefore,
For an aqueous solution of HF, determine the van’t Hoff factor assuming 0% ionization. For the same solution, determine the van’t Hoff factor assuming 100% ionization. A solution is made by dissolving 0.0150 mol HF in 1.00 kg of water. The solution was found to freeze at −0.0340 ∘C. Calculate the value of 𝑖
Classify each substance based on the intermolecular forces present in that substance. Hydrogen bonding, dipole-dipole, and dispersion / Dipole-dipole and dispersion only / Dispersion only HF He CO HC1
1.) How does Gibbs energy, enthalpy, and entropy determine whether a process will be a spontaneous or nonspontaneous reaction? 2.) What is the difference between the heat capacity and specific heat of a substance? 3.) Describe the differences between the first, second and third law of thermodynamics.
Tin(II) fluoride SnF2 is often added to toothpaste as an ingredient to prevent tooth decay. What is the mass of F in grams in 33.8g of the compound? Be sure your answer has the correct number of significant digits.
3- Adipoyl chloride reacts violently with water to form adipic acid and HCl. Why does the adipoyl chloride/cyclohexane solution not immediately decompose when it is mixed with an aqueous sodium hydroxide solution containing HMDA? (Hint: Think about the solubility of NaOH (aq) with cyclohexane.)
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