Predict the shape of SiF4,SF4 and XeF4 molecules. Explain why the shapes differ.

Q: 67. This compound is called Steroid Glycerin Wax

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Q: What is the Synthesis for the following reaction! Thank you!

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Q: A student needs to prepare a buffer solution with a pH of 4.65. Assuming a pKa of 4.57, how many mL ...

A: Given: pH of buffer = 4.65  pKa of acid = 4.57  Concentration of HB = 0.1 M Volume of HB solution = ...

Q: name: Binary liquid - vapor phase diagram (Binary liquid vapor system)

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Q: A hot 125.0 g lump of an unknown substance initially at 153.0 °C is placed in 35.0 mL of water initi...

A: Given: Mass of substance = 125.0 g. Initial temperature of substance = 153.0 oC Volume of water = 35...

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Q: Write the balanced chemical equation for the preparation of carbon dioxide, given the following desc...

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Q: Amino acid A Amino acid B H2N-CH-Ĉ-OH ČH2 c=0 ÓH isoelectric point = 6.3 isoelectric point = 9.5 "Vh...

A: When the PH is higher than isoelectric point , then there is net negative charge  When PH  is lower ...

Q: The photochemical reaction (i.e., the reaction of hydrogen gas and chlorine gas to produce hydrochlo...

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Q: 38. _are called unsaturated hydrocarbons because they contain fewer than the maximum number of H ato...

A: Given, The unsaturated hydrocarbons, which have contain fewer than maximum number of Hydrogen atoms ...

Q: A 7.2g sample of potassium chloride is dissolved in 100g of water at 65*C. The solution is cooled to...

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Q: Draw the E isomer for the following molecule

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Q: A. Draw the following aromatic hydroca 1. p-diethylbenzene 2. 3-phenylhexane 3. 2-methyl-1,4-diethyl...

A: Given aromatic compounds are :  1. p-diethylbenzene  2. 3-phenylhexane  3. 2-methyl-1,4-diethylbenze...

Q: Consider the reaction 2 H, + O, → 2 H,0 AHxn = -484 kJ Which answer best describes the transfer of h...

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Q: 4. 100 kmoles of Heptane is burned with 40% excess air. Seventy percent reacts to form CO2 and the r...

A: We are given 100 k/moles of Heptane is burned with 40% excess air. Seventy percent reacts to form CO...

Q: How many molecules are in 119.78g of C4H10?

A: Given weight = 119.78 gram

Q: 22. How will you name this compound: 3HC-CH2-CH2-CH2-CH2-CH2- NH2? hexanol amide O hexyl amide O hex...

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Q: Temperature ("C)- Given the phase diagram for CO, which phase is most likely to exist at the followi...

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Q: Which of the following is the best solvent for the reaction in the box? CH3MgBr CH3

A: Given : We have to tell what is the solvent required for the transition.

Q: Suppose you forget which layer is which, and evaporate both the aqueous layer and the DCM layer. Bot...

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Q: ow many milliliters of a stock solution of 10.0 M HNO3 would you have to mL you dilute 21.0 mL of th...

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Q: Calculate the standard free energy change (kJ/mol) for the reaction shown at a temperature of 298.15...

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Q: Provide the correct IUPAC name for the compound shown here. 2- 1- 3- 4- 5-)6- tert- iso tri) di cycl...

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly repos...

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Q: Carbon NMR Homework Determine the structure of cach of the following isomers of the formula CH&Brz. ...

A: The structure are as follows:  

Q: A. Water and chloroform has a partition coefficient of 5.00. A 50.00mL sample of a 8M aqueous soluti...

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Q: For the reaction: Zn(s) + 2Ag*(aq) → Zn*2(aq) 2Ag(s). a. Determine the standard cell potential. b. I...

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Q: For each compound shown below, state how many major products will be formed in a hydration rea and H...

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Q: Br CuBr/PMDETA Δ For the atom transfer radical polymerization of the following monomer, i.) provide ...

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Q: What is the oxidation number of manganese in the permanganate ion, MnO4-?

A: Given: The ion is MnO4-.  

Q: 6. Plot aHA- and an for substituent group of histidine which has a pka of 5.97. Include a table of y...

A: The pH can be expressed in the form the Henderson-Hasselbalch equation: pH=pKa+log [A][HA+]

Q: 58. The structural formula given below is for HO O aspirin vanilla O glycerine

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Q: Question 3 Calculate the [H*] when the pOH of the solution is equal to 1.24. O [H*) = 1.74X10-12 O [...

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Q: name the compounds shown below

A: Given : We have to write the name of the given compound.

Q: (Q82) The decomposition of gaseous dinitrogen tetraoxide (N2O5) to nitrogen dioxide and oxygen gases...

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Q: 3. a. Describe how the ring test was performed (method). d. If the ring test came back positive, how...

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Q: charge

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Q: What further experiment might you like to conduct, as a control, to explore whether the reduction in...

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Q: Molecular ion: m/z = 81 'HNMR: 8 6.6 ppm (t, 2H), 6.1 (t, 2H), 3.6 (s, 3H) 100 400 RAVENUERI 1000 CH...

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Q: Which of the following conversions is essentially irreversible? A) The reaction of an aldehyde with ...

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Q: 20. What is the best method used to separate the components of the mixture of benzene, toluene, and ...

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Q: Br2 Os04

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Quantum Mechanical Treatment of the Valence Bond Theory

Quantum mechanical treatment of valence bond theory refers to the relationship established between the quantum mechanical theory and the valence bond theory to describe the chemical bonding in a particular molecule.