Questions by Romain Durand

Questions by Romain Durand

You did not prepare your own benzyltriphenylphosphonim chloride (PhCH2PPh3Cl, Wittig salt). Write a reaction showing how the Wittig salt is prepared from benzyl chloride (PhCH2Cl).

asked Jan 5, 2021

1 answer

5 votes

204k views

When making bread from scratch, the recipe calls for 4 /5 cup of water. If you need to make a smaller portion of the recipe, how much water would you need in order to make only 1/6th of the recipe?

asked Dec 20, 2020

1 answer

2 votes

108k views

A 5.012-g sample of an iron chloride hydrate was dried in an oven. The mass of the anhydrous compound was 3.195 g. The compound was then dissolved in water and reacted with an excess of AgNO3. The AgCl

asked Oct 28, 2020

1 answer

0 votes

184k views

Nicole is running for school president her poster is 3 feet by 2 feet. She liked it so much that she reproduced it on little rectangles that measured 2 inches by 1 1/3 what would the scale factor be

asked Jul 5, 2020

1 answer

0 votes

89.5k views

2: SPANISH, STUDY UNIT 2 TAPE 2, SIDE B

asked Jan 13, 2020

1 answer

4 votes

148k views

What is the symbol for the speed of light? A. c B. l C. s D. v

asked Jul 17, 2019

1 answer

0 votes

217k views

Write a real world problem that can be represented by the equation 3/4c=21

asked Jul 13, 2019

2 answers

3 votes

179k views

Where is the vertex of the quadratic y = (x -7)2 + 9

asked Mar 11, 2019

1 answer

5 votes

162k views

Muscles of the neck and shoulder are innervated by spinal nerves from the ________ region.

asked Dec 17, 2018

2 answers

0 votes

38.9k views

Which type of transport requires assistance from membrane proteins, but no energy?

asked Aug 26, 2018

1 answer

2 votes

60.9k views

Which process is part of transcription? DNA is copied to create a second DNA strand. mRNA codons and tRNA anticodons assemble amino acids. DNA is unzipped with the aid of DNA polymerase. mRNA is synthesized

asked Apr 11, 2018

1 answer

1 vote

20.3k views

determine the quadratic function of f whose graph is given. The vertex is (1,-3) and the y-intercept is -2

asked Mar 19, 2018

1 answer

0 votes

37.5k views

You have 30 dollars at the beginning of the sale. You earn 20 dollars every hour. Write an equation that represents the amount of money after x hours

asked Nov 26, 2017

2 answers

2 votes

50.6k views

Which represents the solution set of the inequality 5X-9<21

asked Oct 10, 2017

1 answer

0 votes

46.4k views

Page:

Search QAmmunity.org