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Genrish500 [490]
1 year ago
7

Mixed aldol condensations involving benzaldehyde yield typically a single product. draw the structure of the partner that was us

ed to synthesize this molecule:
Chemistry
1 answer:
Andrej [43]1 year ago
6 0

The partner that is used along with benzaldehyde is acetophenone to yield  1,3-Diphenylprop-2-en-1-one.

<h3>What is Adol Condensation?</h3>

In adol condensation, aldehydes or ketones having α - H atoms undergo condensation in the presence of a dilute alkali to form β - hydroxy aldehydes or ketones.

<h3>What is Mixed Adol Condensation?</h3>

Under mixed or crossed adol condensation,

  • two different aldehyde molecules or
  • 2 different ketone molecules or
  • one aldehyde and one ketone molecule

undergoes condensation in the presence of dilute alkali to form a mixture of β - hydroxy aldehyde or ketone.

The following reaction takes place:

Disclaimer: The question was given incomplete on the portal. Here is the complete question.

Question: Mixed aldol condensations involving benzaldehyde yield typically a single product. draw the structure of the partner that was used to synthesize this molecule:

Learn more about adol condensation:

brainly.com/question/27178362

#SPJ4

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iogann1982 [59]

Answer:

theory

Explanation:

kinetic theory of gases

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3 years ago
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Calculate the DH°rxn for the decomposition of calcium carbonate to calcium oxide and carbon dioxide. DH°f means delta or change
USPshnik [31]

Answer: +178.3 kJ

Explanation:

The chemical equation  follows:

CaCO_3(s)\rightarrow CaO(s)+CO_2(g)

The equation for the enthalpy change of the above reaction is:

\Delta H^o_{rxn}=[(1\times \Delta H^o_f_{(CaO(s))})+(1\times \Delta H^0f_{CO_2}]-[(1\times \Delta H^o_f_{(CaCO_3(s))})]

We are given:

\Delta H^o_f_{(CaO(s))}=-635.1kJ/mol\\\Delta H^o_f_{(CaCO_3(s))}=-1206.9kJ/mol\\\Delta H^o_f_{(CO_2(g))}=-393.5kJ/mol\\\Delta H^o_{rxn}=?

Putting values in above equation, we get:

\Delta H^o_{rxn}=[(1\times (-635.1))+(1\times (-393.5))]-[(1\times (-1206.9))]

The DH°rxn for the decomposition of calcium carbonate to calcium oxide and carbon dioxide is +178.3 kJ

5 0
3 years ago
The temperature at which a solid turns into a liquid is the _____ point.
NNADVOKAT [17]
A. melting

it's the answer to your question.
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Barium-131 is a radioactive isotope of the element barium used for gastrointestinal tract scans in doctors offices. Barium-131 h
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3 years ago
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The average atomic mass of oxygen is 15.9994 amu. The atomic masses of its three isotopes are as follows: O-16: 15.995 amu; O-17
motikmotik
The average atomic mass of oxygen is the atomic mass with respect to 1/12th the mass of a C-12 atom, related to natural abundance. 
amu - atomic mass units 
O-16 - 15.995 amu
O-17 - 16.999 amu
O-18 - 17.999 amu
the average atomic mass is 15.9994 amu
average atomic mass = ∑atomic mass of each isotope * relative abundance percentage
in other words the average atomic mass is closer to the atomic mass of the most abundant isotope. In this case 15.9994 is closest to 15.995 amu which is the atomic mass of O-16.
This means that O-16 is the most abundant isotope.

7 0
3 years ago
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