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marshall27 [118]
2 years ago
6

You will be using melting point to confirm the identity of the unknown drug in your drug mixture. If you did not have melting po

int data, could IR spectroscopy be used to differentiate among the three possible unknown drug compounds? Explain why or why not. In a separation experiment using an aqueous solution and dichloromethane, which layer is on the bottom of the separatory funnel-the aqueous layer or the dichloromethane layer? What physical property allows you to determine this without doing the experiment in lab? Describe an experimental procedure that you could use to test whether or not a particular layer in a separatory funnel is aqueous. Why is acetone used to rinse the original beaker and to wash the solid compound on the Buchner funnel? In Step 5 of the Procedure section below, why are you adding calcium sulfate to the solution in the Component B flask? Write out the flow chart on p.2. Using the information in the Introduction and Procedure sections of this lab, identify the Components A B, and C, and determine what compounds should be in the boxes with question marks. Note that the answer to this question is NOT a replacement for the Procedure section of your lab report.

Chemistry
1 answer:
IrinaK [193]2 years ago
4 0

Answer:

Following is given the solution to the question.

I hope it will help you a lot!

Explanation:

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Amino acids are the building blocks of proteins. The simplest amino acid is glycine (H2NCH2COOH). Draw a Lewis structure for gly
VashaNatasha [74]

Answer:

Explanation:

The lewis structure (indicating all the atoms and patterns provided as hint in the question) of glycine can be seen in the attachment below. While the chemical structure of glycine can be seen below

         H

          |

H₂N - C - C =O

          |      \

         H      OH

The structure (of glycine) above provides a "fair idea" of how the lewis structure will be.

3 0
2 years ago
The distance between the atoms of H−I is 1.61Å. What is the distance in meters?
frosja888 [35]
<span>the answer is 
1A = 10^-10 m
so </span>1.61Å =  1.61  x 10^-10 m
he distance between the atoms of H−I is 1.61  x 10^-10 m
8 0
2 years ago
When adjusted for any changes in ΔHΔH and ΔSΔS with temperature, the standard free energy change ΔG∘TΔGT∘Delta G_{T}^{\circ} at
STALIN [3.7K]

The equilibrium constant is 0.0022.

Explanation:

The values given in the problem is

ΔG° = 1.22 ×10⁵ J/mol

T = 2400 K.

R = 8.314 J mol⁻¹ K⁻¹

The Gibbs free energy should be minimum for a spontaneous reaction and equilibrium state of any reaction is spontaneous reaction. So on simplification, the thermodynamic properties of the equilibrium constant can be obtained as related to Gibbs free energy change at constant temperature.

The relation between Gibbs free energy change with equilibrium constant is ΔG° = -RT ln K

So, here K is the equilibrium constant. Now, substitute all the given values in the corresponding parameters of the above equation.

We get,

1.22 * 10^{5} = - 8.314* 2400 * ln K

\\ 1.22 * 10^{5} = -19953.6 * ln K

ln K = \frac{-1.22*10^{5} }{19953.6} =-6.114\\\\k =e^{-6.114}=0.0022

So, the equilibrium constant is 0.0022.

4 0
2 years ago
How many moles of Cobalt are in 27.4 grams of cobalt
xeze [42]
0.4649331785818406 is what 27.4 grams is converted to! You're welcome!! :) 
5 0
2 years ago
Read 2 more answers
What substance is used in the industrial preparation of methyl diantilis to reduce the aldehyde group of 3-ethoxy-4-hydroxybenza
GrogVix [38]

Answer:

            Sodium Borohydride (NaBH₄)

Explanation:

                    Methyl diantilis (2-Ethoxy-4-(methoxymethyl)phenol) is a fragrance compound which smells like Vanilla. This compound is being synthesized from 3-ethoxy-4-hydroxybenzaldehyde also known as Ethyl Vanillin in two steps.

Step 1: Reduction of Aldehydic Group on Ethyl Vanillin:

The benzaldehyde derivative is treated with a mild reducing agent i.e. NaBH₄ (Sodium Borohydride). NaBH₄ is a source of Hydride (H⁻) ion and undergoes nucleophilic substitution reaction yielding 2-ethoxy-4-(hydroxymethyl)phenol.

Step 2: Etherification of 2-ethoxy-4-(hydroxymethyl)phenol:

In the second step 2-ethoxy-4-(hydroxymethyl)phenol is treated with Methanol in the presence of strong acidic polymeric resin known as Amberlyst-15-wet resulting in the formation of Methyl diantilis as shown in attached figure.

5 0
2 years ago
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