for the reduction of benzophenone into diphenylmethanol, how would the rf values of reactant vs. product compare?
Answers
The Rf of diphenylmethanol (product) is smaller than that of the benzophenone(reactant) .
What is benzophenone used in?
In addition to being a flavoring agent, fragrance enhancer, perfume fixative, and additive for plastics, coatings, and adhesive formulations, benzophenone is also utilized as a UV curing agent. In order to protect cosmetics from harm from ultraviolet light, benzophenone is also used as a screen.
What are the side effects of benzophenone?
Both photocontact dermatitis and the raditional allergic contact dermatitis are caused by benzophenone sensitivity. Products containing benzophenone or benzophenone derivatives may produce redness, swelling, itching, and fluid-filled blisters in people who are allergic to benzophenone.
What is Diphenylmethanol used in?
Diphenylmethanol (DPM) and its derivatives are crucial components in the production of cosmetics, drugs, and practical organic compounds.
How do you make Diphenylmethanol?
A Grignard reaction involving phenylmagnesium bromide and benzaldehyde can produce diphenylmethanol. The reduction of benzophenone using sodium borohydride, zinc dust, or sodium amalgam and water is an alternate approach.
As, we know that,
Diphenylmethanol is an alcohol and benzophenone is a ketone.In Diphenylmethanol there is dipole-dipole interactions and hydrogen-bonding.In benzophenone there is dipole-dipole interaction.Here, Product is more polar than the reactant.Also, Diphenylmethanol has a higher affinity.To know more about
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Related Questions
17.5 mL of a 0.1050 M Na2CO3 solution is added to 46.0 mL of 0.1250 M NaCl. What is the concentration of Na in the final solution
Answers
The concentration of Na in the final solution is 0.01445 M.
To find the concentration of Na in the final solution, we need to consider the stoichiometry of the reaction between Na2CO3 and NaCl.
The balanced equation for the reaction is:
2 NaCl + Na2CO3 -> 3 NaCl + CO2
According to the stoichiometry, two moles of NaCl react with one mole of Na2CO3 to produce three moles of NaCl. Therefore, the amount of NaCl in the final solution will increase by a factor of 3.
Let's calculate the moles of NaCl initially present in the 46.0 mL of 0.1250 M NaCl solution:
Moles of NaCl = Volume (L) × Concentration (M)
= 0.0460 L × 0.1250 M
= 0.00575 moles
Since the amount of NaCl increases by a factor of 3, the total amount of NaCl in the final solution will be:
Total moles of NaCl = 3 × 0.00575 moles
= 0.01725 moles
Now, let's calculate the moles of Na2CO3 in the 17.5 mL of 0.1050 M Na2CO3 solution:
Moles of Na2CO3 = Volume (L) × Concentration (M)
= 0.0175 L × 0.1050 M
= 0.0018375 moles
Since the stoichiometry of the reaction is 2:1 for NaCl and Na2CO3, the moles of Na in the final solution will be half of the moles of Na2CO3:
Moles of Na = 0.0018375 moles ÷ 2
= 0.00091875 moles
To find the concentration of Na in the final solution, we divide the moles of Na by the total volume of the solution (17.5 mL + 46.0 mL = 63.5 mL = 0.0635 L):
Concentration of Na = Moles of Na ÷ Volume (L)
= 0.00091875 moles ÷ 0.0635 L
= 0.01445 M
Na is therefore present in the final solution at a concentration of 0.01445 M.
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what is the ratio of ingredients used to make broth when using water as the main liquid?
Answers
The ratio of ingredients used to make broth when using water as the main liquid can vary depending on the recipe, but a common ratio is 1:10, meaning 1 part of solid ingredients to 10 parts of water.
When making broth, the ratio of ingredients is important as it affects the taste, texture, and nutritional value of the final product. The 1:10 ratio of ingredients is a starting point that can be adjusted based on personal preference.
For example, using a 1:10 ratio of ingredients means that for every 1 part of solid ingredients, such as chopped vegetables, meat, or bones, 10 parts of water are added. This can result in a light, flavorful broth. If a stronger flavor is desired, the ratio of solid ingredients can be increased, while a weaker flavor can be achieved by reducing the amount of solid ingredients.
It is also important to consider the type of ingredients used. For example, if a lot of salty ingredients are used, such as ham hocks or cured meats, the amount of water can be increased to balance out the saltiness. On the other hand, if a lot of herbs and spices are used, the water ratio can be adjusted to suit the desired taste.
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Unpolarized light is passed through three successive Polaroid filters, each with its transmission axis at 45.0° to the preceding filter. What percentage of light gets through? (Give your answer with three significant figures).
Answers
The percentage of light that gets through Unpolarized light is 12.5%
A light wave that is vibrating in more than one plane is referred to as unpolarized light is called unpolarized light.
The General formula of unpolarized light is:
I transmitted = I0<cos2θ>all angles = ½I0.----------------(1)
Here we have to find I3/Io
Considering the I1 for the taking the value 0° and substitute in equation(1) we get
I1=1/2Io---------(2)
Next, we have to consider another value θ=45°, and substitute in equation(1) we get the I2 value.
I2=I1cos^2(45°-0)
I2=I1cos^2(45°)--------------(3)
Next, consider the last value θ=90° and the substitute in equation(1),we get:
I3=I2cos^2(90°-45°)
I3=I2cos^2(45°)-----------(4)
I3=I2cos^2(45°)
=I1cos^4(45°)
=1/2Iocos^4(45°)
I3/Io=0.125
I3/Io=12.5%
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Can other elements (different from oxygen) oxidize matter?
Answers
acids are often used as oxidizers, as are chlorine and bromine compounds. Fluorine is actually a more powerful oxidizer than oxygen, but is rarely used because it tends to react violently.
c) What is the net charge of the nucleus?
Answers
Answer:
Positive Charge
Explanation:
Heidi is a chocolate lover and eats chocolate daily. She has a bad break-out
and her friend told her eating chocolate causes pimples. Heidi continues to eat
chocolate every day for 2 weeks and counts the number of pimples she has on
her face. The following 2 weeks she doesn't eat any chocolate and counts the
number of pimples on her face.
a. Independent Variable =
b. Dependent Variable =
C. Control =
Answers
Answer:
a. the weeks she ate the chocolate
b. how many pimples were on her face
c. how much chocolate she ate
(I'm pretty sure A. is right but I might be wrong)
Answer:
Explanation:
a. Independent Variable = time , starting number of pimples
b. Dependent Variable = the number of pimples
C. Control = the chocolate quantity , 2 weeks for eating and 2 weeks for chocolate fasting " The think this time equalizing is a control factor "
When water is added to a compound in a chemical equation, a new compound can be formed via?
Answers
When water is added to a compound in a chemical equation, a new compound can be formed via hydrolysis.
What is hydrolysis?It refers to any chemical process when a water molecule breaks one or more chemical bonds. When water is the nucleophile, the phrase is used generically to refer to substitution, elimination, and solvation processes.
The cleavage of biomolecules known as biological hydrolysis occurs when a water molecule is consumed in order to cause the division of a bigger molecule into its component parts. Scarification is the process of hydrolyzing a carbohydrate into its individual sugar molecules, as occurs when sucrose is broken down into glucose and fructose.
A condensation reaction, in which two molecules combine to form a bigger one and expel a water molecule, can be reversed by a hydrolysis reaction. Thus, condensation builds up by removing water, but hydrolysis breaks down by adding water.
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How many neutrons does the isotope of lithium have?
A) 8
B) 5
C) 4
D) 3
Answer quick plzzz
Answers
Answer:
B)
Explanation:
it has 5
PLEASE HELP
Four students are asked to describe a nebula and a star. Their responses
are shown in the table below. Which student described these two
celestial bodies correctly? *
Student
1
2.
Student Responses
Description of a Nebula
Description of a Star
A collection of hot gases that A sphere of dust and gases that contains
sometimes produces light from many elements and produces light from
nuclear reactions
fusion and fission reactions
A collection of hot gases that
results from stars that have
A collection of gases from several nebulae
exploded
hot enough to cause a nuclear reaction
A collection of dust and gases A sphele of matter with a density and a
that forms stars or results from temperature great enough to cause a
dying stars
nuclear reaction at its center
A collection of dust and gases A collection of hot gases that forms a
that is found near stars
sphere but produces no light
3
4
Student 1
Student 2
Student 3
Student A
Answers
Answer:student 3
Explanation:
Identify the electrophilic site in the following molecule, CH3CH2NHCH2CH3. H N CH2 CH3 there is no electrophilic site
Answers
In the given molecule CH3CH2NHCH2CH3, there is no positively charged atom present. Thus, the statement "there is no electrophilic site" is correct.
In a molecule, the electrophilic site can be identified by determining the location of the atoms with a partial positive charge. It is the place where electrons are attracted and where an electron-deficient species like a carbocation is formed.
Therefore, the electrophilic site can be found where partial positive charge exists, but since no such site exists in the given molecule, the answer to the question "Identify the electrophilic site in the following molecule, CH3CH2NHCH2CH3" is "there is no electrophilic site."
In general, the electrophilic site is an essential concept in organic chemistry. It helps in understanding various types of organic reactions, such as nucleophilic addition, nucleophilic substitution, and electrophilic aromatic substitution.
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what is five plus forty five
Answers
Answer:
5+ 45 = 50 is the answer....
Answer:
55. I hope this helps you!
How many L in 1.98m solution using 4.2mol
Answers
The volume needed to make 1.98 M of the solution is 2.12L
Molarity of a given solution is defined as the total number of moles of solute per litre of solution. One molar is the molarity of a solution where one gram of solute is dissolved in a litre of solution. As we know, in a solution, the solvent and solute blend to form a solution, hence, the total volume of the solution is taken.
Given,
Molarity = 1.98m
Moles = 4.2 mol
Molarity = number of moles of solute / volume of solution in L
Volume = moles / molarity
= 4.2 / 1.98
= 2.12 L
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During photosynthesis, plants produce
and oxygen from the
of solar energy, water, and carbon dioxide.
Answers
Answer:
oxygen and energy in the form of sugar.
Explanation:
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Magnesium ribbon reacts with an aqueous solution of copper(ll) chloride in a single-replacement reaction. Which are the products of the balanced net ionic equation for the reaction?
Answers
The reaction between magnesium metal and copper chloride produce magnesium chloride precipitate and copper. The net ionic equation of the reaction is given below:
\(\rm Mg(s) + 2Cl (aq) \rightarrow MgCl_{2} (s)\)
What is ionic equation?The ionic equation of a reaction shows all the ions participate in the reaction and their states specified in brackets. The net ionic equation represents the balanced charges in both side of ionic equation.
The balanced equation of the given reaction is written as follows:
\(\rm Mg(s) + CuCl_{2} (aq) \rightarrow MgCl_{2} (s) + Cu(aq)\)
Here, the copper ions are in aqueous state in both side of the reaction and they get cancelled in the net ionic equation.
Therefore, the net ionic equation represents the formation of the solid precipitate MgCl₂ as written in the reaction above.
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Which statement correctly describes atoms? Choose all that apply. Responses
Atoms of all substances have the same chemical properties.
Atoms are easily destroyed when matter is cooled or heated. Atoms are the smallest unit of an element that has the chemical identity of that element. Atoms combine to make all the substances on Earth.
Answers
Atoms are smallest particle of any entity; Atoms consist of three fundamental types of particles, protons, electrons and neutrons. Option C & D are the correct statement.
Define an atom?
Atoms are the smallest particle of an element. Atoms cannot be broken into sub parts. It consisting of 3 particles like, protons, electrons and neutrons.
Atoms of the all substance do not have same chemical properties. Because, atoms have different number of proton and electrons. Atoms cannot be destroyed by heating or cooling. Smallest unit atoms have elemental chemical identity and atoms can combine to make all the substance on earth.
Therefore, statement C and D are correct.
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The statement that correctly describes atoms are:
c. Atoms are the smallest unit of an element that has the chemical identity of that element.
d. Atoms combine to make all the substances on Earth.
What are atoms?The tiniest component of an element is called an atom. Atoms are not divisible into smaller components. It is made up of three different particles: protons, electrons, and neutrons.
All atoms do not share the same chemical characteristics. Because the quantity of protons and electrons in each atom varies. No amount of heat or cold can kill an atom.
Therefore, the correct option is c and d.
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Which of the following is a hydrocarbon? (Concept 4.2)
A) C6H12O6
B) H2CO3
C) CO2
D) CCl2F2
E) C3H8
Answers
Of the following compounds given E) \(C_3H_8\) is the only hydrocarbon.
\(C_3H_8\) is a hydrocarbon. It is a chemical formula representing propane, which is a saturated hydrocarbon belonging to the alkane family. Hydrocarbons are organic compounds composed solely of hydrogen and carbon atoms. They can exist as gases, liquids, or solids and are an essential component of fossil fuels and many other organic compounds.
Option A (\(C_6H_12O_6\)) represents glucose, a carbohydrate, which contains oxygen in addition to carbon and hydrogen atoms. Option B (\(H_2CO_3\)) represents carbonic acid, which is an inorganic compound containing carbon, hydrogen, and oxygen atoms. Option C (\(CO_2\)) represents carbon dioxide, an inorganic compound composed of carbon and oxygen atoms. Option D (\(CCl_2F_2\)) represents dichlorodifluoromethane, which is a chlorofluorocarbon (CFC) and not a hydrocarbon.
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Energy is the work that done by a force acting through a distance And involves motion
Answers
Answer:
true
Explanation:
energy is the energy to do things
and there is a force in our bodies wich is giving out energy through a distance
A _______ is a substance used during electrolysis that splits apart and is attracted to an oppositely charged electrode
Answers
Answer:
electrolyte
Explanation:
What is the concentration of hydroxide ions in pure water at 30.0°C, if Kw at this temperature is 1.47× 10-14 A) 1.00 x 10-7 M B) 1.30 x 10-7 M )1.47 x 10-7 M 8.93 x 10-8 M 1.21 x 10-7 M 11 ) What is the pH of pure water at 40.0°C if the Kw at this temperature is 2.92 × 10-14? 6767 B) 0.465 C) 7.000 D) 7.233 E) 8.446 12) What is the Kw of pure water at 50.0°C, if the pH is 6.630? A) 2.34 × 10-7 B) 5.50 × 10-14 C) 2.13 x 10-14 D) 1.00 x 10-14 E) There is not enough information to calculate the Kw 14) Calculate the concentration of H30 in a solution that contains 5.5 x 10-5 M OH at 25° C Identify the solution as acidic, basic, or neutral. А) 1.8 x 10-10 M, basic B) 1.8 x 10-10 M, acidic C) 5.5 x 10-10 M, neutral D) 9.2× 10-1 M, acidic E) 9.2 x 10-1 M, basic
Answers
The concentration of hydroxide ions in pure water at 30.0°C can be determined using the equation for the ion product of water, Kw.
Kw is equal to the product of the concentrations of hydrogen ions (H+) and hydroxide ions (OH-) in water. At 30.0°C, the given value of Kw is 1.47×10^-14.
Since pure water is neutral, the concentration of H+ ions is equal to the concentration of OH- ions. Therefore, to find the concentration of hydroxide ions, we can take the square root of Kw.
√(1.47×10^-14) = 1.21×10^-7 M.
Therefore, the concentration of hydroxide ions in pure water at 30.0°C is 1.21×10^-7 M.
In summary, the concentration of hydroxide ions in pure water at 30.0°C is 1.21×10^-7 M, as calculated using the ion product of water equation and the given value of Kw.
It's worth noting that at 30.0°C, pure water is still neutral as the concentration of H+ ions is equal to the concentration of OH- ions.
This equilibrium between H+ and OH- ions results in a pH value of 7, indicating a neutral solution.
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What is the freezing point in °C) of a 0.743 m
aqueous solution of KCI?
Enter your rounded answer with
3 decimal places.
K; for water = 1.86 °C/m
Answers
Answer:
2.764 °C
Explanation:
ΔT = 2 x 1.86 C/m x 0.743m = 2.764C That means the freezing point of the solution is 2.764C less than the pure solvent (water)
Which of the following describes what a scientist does?
Answers
Answer:
people who discover new things fyi you dont have any answer choices on there
Explanation:
there are different type of scientist
Answer:
A scientist asks questions about the world.
Explanation:
Describe the changes to the coastline pictured above. Look particularly at North and South Monomy Island.
Answers
Where is the picture?
100 pts HORTICULTURE (HURRY)
The hundredweight is the common way of evaluating crop yield for which of the following crops?
A. wheat
B. soy
C. rice
D. corn
Answers
Answer:
Option A and C
Explanation:
Generally yield of wheat and rice crop is measured in terms of hundredweight. It is also known as centum weight or quintal. one quintal is equal to 100 Kg. It is used primarily in United States of America and British reign. In India quintal is used to measure the yield of wheat and rice
Hence, option A and C is the correct answer
Answer:
Option C, Rice
Explanation:
Rice is measured in hundredweight as stated in the lesson, wheat isn't mentioned to be measured by hundredweight.
Which of the following is a carboxylic acid?
Η Η Η
II
Ο A. H-c-c-c-c
III
Η Η Η
Η Η Η
11
=0
B. H-C-C-C-p=0
FII
Η Η Η
Η
II
Η Η
Η Η Η
II
C. H-C-C-C-C
II
Η Η Η
0-CH3
0-Η
D. H-C-C-C-C
III
Η Η Η
O=
CH3
Answers
Answer:
COOH is the carboxylic acid.
A new species of living thing is discovered. The cell theory states that which of the following must be true about
this new living thing?
A Its cells must be able to make their own food
All its cells must perform the same function
It must be made up of one or more cells
Some of its cells must include a cell wall.
Answers
The cell theory states that the new species must be made up of one or more cells.
Hence option (c) is correct.
According to the scientific theory known as "cell theory," which was initially put forward in the middle of the nineteenth century, all living beings are made up of cells, which also serve as the fundamental structural and organizing unit of all organisms.
All species are made up of cells, which are also the fundamental building block of reproduction.
The following three principles underlie the cell theory:
1) One or more cells make up every living thing.
2) The fundamental building block of structure and hierarchy in organisms is the cell.
3) From already existing cells, new cells form.
Hence according to the first principle, option (c) is correct.
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3.
Melting point of four solids A, B, C and D are 299 K, 111K, 150K, 340K.their inter
particle forces of attraction are in the order:
(a) A
(b) B
(c) C
(d) B
Answers
Answer:
You have provided wrong option.
Their interparticle forces of attraction are in the order D>A>C>B
So, option (d) D should be there.
5.
Given: C2H5C1
P1: 951.72 kPa
P2: 362.29 kPa
T1: 653.34 K
Wanted: kelvins?
Answers
Answer: The final temperature is 248.7 K
Explanation:
To calculate the final temperature of the system, we use the equation given by Gay lussac Law. This law states that pressure of the gas is directly proportional to the temperature of the gas at constant volume.
Mathematically,
\(\frac{P_1}{T_1}=\frac{P_2}{T_2}\)
where,
\(P_1\text{ and }T_1\) are the initial pressure and temperature of the gas.
\(P_2\text{ and }T_2\) are the final pressure and temperature of the gas.
We are given:
\(P_1=951.72kPa\\T_1=653.34K\\P_2=362.29kPa\\T_2=?\)
Putting values in above equation, we get:
\(\frac{951.72}{653.34}=\frac{362.29}{T_2}\\\\T_2=248.7K\)
Thus the final temperature is 248.7 K
What color are the stars on the diagram with the highest surface temperatures?
Answers
Answer: surface temperature
Explanation:
Magnesium bromide (one magnesium atom with two bromine atoms) has a
chemical formula of MgBrz. If you look at the total atomic mass of MgBr2,
does magnesium or bromine make up more of the mass?
they are exactly the same
it is impossible to tell
magnesium
bromine
Answers
Answer:bromine
Explanation:
The mass of magnesium is 24 whereas 1 bromine atom is 80 (rounded up from 79.9) and there is 2 bromine atoms which means you have to multiply 80 by 2, giving you 160.
Which organism is part of Kingdom Fungi? ciliates lichen paramecium slime molds
Answers
Answer:
Slime.
Once upon a time, slime was part of the fungi kingdom. Now it's not, according to experts.
Hope this helps!