Which corresponds to the best answer? 27. What is the direction of equilibrium when acetylene(C2H2, with a pKa of 25) reacts with ethoxide(CH3CH20") in an acid-base reaction? HINT: ThepKa of Ethanol is 1611. Rank the following compounds in order ofdecreasing melting point, putting the compound withthe highest melting point first.H-CHOCH*CHH-CEC-H6OCH"CH'A) LeftB) RightC) NeitherD) Cannot be determinedA) I> II > IIIB) II> III >IC) III > II >ID) III >I> II8. Which of the following statements explain why HBris a stronger acid than HF?12. Which of the following compounds is expected to beH20 soluble?A) Br is more stable than F because Br is larger than F.B) Br is less stable than F" because Br" is larger than F".C) Br is more stable than F because Br is lesselectronegative than F".D) Br" is less stable than F- because Br" is less electronegativeA) IB) IIC) IIID) IVthan F".9. What is the role of methylchloride (CH3CI) in thefollowing reaction?13. Which of the following statements about vitamin A,drawn below, is true?CH,CIAICIAICIA) Lewis acidB) Lewis baseC) Brønsted-Lowry acidD) Brønsted-Lowry baseHO.vitamin A10. What is the correct rank of the following compoundsin order of increasing acidity?A) Vitamin A is soluble in H20.B) Vitamin A is insoluble in organic solvents.C) Vitamin A contains an aromatic ring.D) Vitamin A is insoluble in H20.OHNH2онIIIVA)I> II > III > IVB) IV > III > II>IC) IV >I>II > IIID) III>I> IV > II

Since you have posted multiple question , as per the guidelines we can not answer more than one . If…

Answered: 7. What is the direction of equilibrium…

7. What is the direction of equilibrium when acetylenc (C2H2, with a pKa of 25) reacts with ethoxide (CH3CH20") in an acid-base reaction? HINT: The pKa of Ethanol is 16 H-CEC-H OCH'CH HOCH C H-CC

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

Ochem
8. Chemical Formula: C9H₁7NOS 8 1H, broad 7 6 Final Answer 1H, broad 5 بللي بلد 4 PPM 3H s 3 2 9H s 1 there are 3 peaks between 4.00 and 4.30 ppm: a 1H t at 4.3 ppm two 1H t that both happen to be at 4.0 ppm, but are not the same 0
what is the right answer
What is the name of Hmc040 -1. jpgSOmc040-2.jpg?
A. Copper sulfate pentahydrate is often used to teach students about Beer’s Law by making a standard curve (linear regression). The bright blue color of the solution has a peak absorbance in the red range of the electromagnetic spectrum. The absorbance value is proportional to concentration. How many grams of CuSO4 5H2O to make up 250 mL of a 0.2 M stock of this solution? B. Using M1V1 = M2V2 how many mL would a student need to measure out in graduated cylinder to make up a 50 mL (V2) solution of 0.1M, 0.05 M, 0.025M 0.0125M solutions for a standard curve at the peak wavelenth for this compound?
Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product structures, draw the curved electron-pushing arrows for the following reaction or mechanistic steps. Be sure to account for all bond-breaking and bond-making steps. H. HH HH OHH HH H Na Ⓒ Select to Add Arrows CH3CH₂ONA, CH3CH₂OH CH3CH₂ONA, CH-CH-OH 10: Select to Add Arrows CH3CH₂ONA , CH3CH₂OH 30% dl
What is Ka, Kb, relationship between these and Kw.
q41 IF YOU DO NOT KNOW THE ANSWER PLEASE DO NOT REJECT IT please calculate the unknown concentration of the protein D wih an absorbance value of A412 given the standard curve indicated in the table. write your answers in numbers only with 2 decimals. protein concentration (ug/ml) absorbance 0 0.000 0.02 0.161 0.04 0.284 0.06 0.438 0.08 0.572 0.10 0.762
NME2 1.) LIAIH (LAH) 2.) H*, H20 b.) HO. NME2 OH NM@2 NH2 2)