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emmasim [6.3K]
4 years ago
5

Explain why we perform a "self-condensation" here. what would happen if we used one molar equivalent of ethylphenylacetate and o

ne molar equivalent of methylphenylacetate?
Chemistry
1 answer:
Alina [70]4 years ago
3 0
 Self-condensation is a natural response in which a synthetic compound containing a carbonyl gathering acts both as the electrophile and the nucleophile in an aldol condensation. A condensation response in which two of a similar atom are consolidated. This aldol condensation is a self-condensation response since two particles of CH3)2CO consolidate to frame the item. This blended Claisen buildup is not a self-condensation response in light of the fact that the two ester reactants are not indistinguishable.
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g A student found an unlabelled bottle on a shelf in the lab. In an effort to determine the identity of the liquid in the bottle
Sphinxa [80]

Answer:

1.204 g/mL

Explanation:

Step 1: Given data

Mass of the unknown liquid (m): 36.185 g

Volume of the unknown liquid (V): 30.05 mL

Step 2: Calculate the density of the unknown liquid

The density is an intrinsic property, which can help to identify an unknown substance. It is equal to the mass divided by the volume.

ρ = m / V

ρ = 36.185 g / 30.05 mL

ρ = 1.204 g/mL

4 0
3 years ago
Chlorine monoxide and dichlorine dioxide are involved in the catalytic destruction of stratospheric ozone. They are related by t
Nuetrik [128]

Answer:

[ClO] = 3.48×10¯⁹ M.

Explanation:

The following data were obtained from the question:

Equilibrium constant (Kc) = 4.96×10¹¹

Concentration of Cl2O2, [Cl2O2] = 6x10¯⁶ M.

Concentration of ClO, [ClO] =.?

The equation for the reaction is given below:

2ClO(g) ⇌ Cl2O2(g)

The equilibrium constant for a reaction is simply defined as the ratio of the concentration of product raised to their coefficient to the concentration of the reactant raised to their coefficient.

The equilibrium constant, Kc for the reaction is given by:

Kc = [Cl2O2] / [ClO]²

Thus, we can calculate the concentration of ClO, [ClO] as follow:

Kc = [Cl2O2] / [ClO]²

4.96×10¹¹ = 6x10¯⁶ / [ClO]²

Cross multiply

4.96×10¹¹ × [ClO]² = 6x10¯⁶

Divide both side by 4.96×10¹¹

[ClO]² = 6x10¯⁶ / 4.96×10¹¹

[ClO]² = 1.21×10¯¹⁷

Take the square root of both side

[ClO] = √ (1.21×10¯¹⁷)

[ClO] = 3.48×10¯⁹ M

Therefore, the concentration of ClO, [ClO] is 3.48×10¯⁹ M.

8 0
4 years ago
A nucleus of mass number 81 contains 46 neutrons. an atomic ion of this element has 36 electrons in it. write the symbol for thi
nasty-shy [4]

A nucleus of mass number 81 contains 46 neutrons

Mass number=number of protons+number of neutrons

81=number of protons+ 46

number of protons=81-46

number of protons=35

In an atom, number of electrons=number of protons=35

So, the element is ⁸¹Br₃₅ .

Atomic ion of Br, having 36 electrons in it will be:

                                                                                      ⁸¹Br⁻₃₆

The symbol for this atomic ion will be Br and charge on the ion will be -ve.



8 0
3 years ago
How many molecules of ethanol (c2h5oh) (the alcohol in alcoholic beverages) are present in 155 ml of ethanol? the density of eth
ozzi

First convert volume to mass:

mass = 0.789 g/mL * 155 mL = 122.295 g

 

Then convert mass to number of moles:

number of moles = 122.295 g * (1 mole / 46 g) = 2.66 moles

 

Using avogadros number, we get the molecules:

<span>number of molecules = 2.66 moles * 6.022 x 10^23 molecules / mole = 1.6 x 10^24 molecules</span>

4 0
3 years ago
In what type of radioactive decay does the atomic number of the product decrease by one? Select all that apply.
VladimirAG [237]
The atomic number of the product decrease by one in the d) positron emission and the e) electron capture radioactive decay. These radioactive decays are two of three common forms of the Beta Decay which occurred when the proton released a positron and a neutron emitted an electron<span>. The Beta Decay can increase or decrease the atomic number.</span>
4 0
3 years ago
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