What product would form if pentan-3-one (show to the right) is treated with the following reagents? a. alkaline D_2O b. 1 equiv. of Br_2 in acetic acid c. excess CI_2 in aqueous base
Answers
pentan-3-one when treated with the following reagents (a) Alkaline D2O will form the product pentan-3-ol(b) One equivalent of Br2 in acetic acid would form the product 2,4-dibromo-3-pentanone(c) Excess CI2 in aqueous base would form the product 2,2,3,3-tetrachloro-3-pentanone.
A reagent is a chemical that is added to a system to cause a chemical reaction or detect another chemical. Examples of reagents are Benedict's reagent, Fehling's reagent, and Tollens' reagent.
Reagents are crucial in scientific experiments since they are treated and assist in determining the presence and concentration of certain chemicals, such as those found in solutions. They are critical in laboratory testing and are frequently used in quality assurance/quality control in various fields. The definition of a product is a chemical compound or substance that has been created as a result of a chemical reaction. A chemical reaction is a process that converts one set of chemical substances to another by breaking and forming chemical bonds.
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Related Questions
Xenon can be the central atom of a molecule by expanding beyond an octet of electrons. Draw lewis structures for the given xenon compounds. Show all lone pairs.
Answers
The Lewis structures if the give compounds of xenon are shown in the images attached to this answer.
What is the Lewis structure?We know that the Lewis structure is the structure that shows the atoms in a compound. We know that we would have the symbols of the elements and then the dots that shows the number of electron pairs that we have in the compound.
Let us recall that xenon is a noble gas. It is clear from our elementary chemistry that the noble gases do have a complete octet and this means that they do not combine with the other elements.
However, we know that the process of the expansion of octet, it is possible for the xenon atom to form the compounds that are shown by the expansion of octet. This implies that the outermost shell would now be able to accommodate more than eight electrons.
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The Hawaiian Islands are a series of volcanic islands that have been formed the past few million years. They are located near the center of the Pacific plate, where new islands form as the plate passes over a fixed hot spot in Earth’s mantle.
A.The movement will not affect the islands.
B.New islands will form as the Pacific plate moves over the hot spot.
C. Older islands will grow larger as they move farther from the hot spot.
D. The youngest island will grow larger as lava erupts onto its surface forming new rock.
E. Older islands will erode and will become smaller landmasses over time.
F. A new plate will create a ridge through the center of the island chain.
Answers
Answer:
B, C and D
Explanation:
what reagents are needed to convert (s)-3-methyl-3-phenylpentaoic acid to (s)-3-methyl-3-phenylpetanamine
Answers
1. SOCl2/pyridine
2. NH3
3. LiAlH4
4. H2O
SOCl2/pyridine is added to (S)-3-methyl-3-phenylpentanoic acid first in order to convert it to (5)-3-methyl-3-phenylpentanamine.
The carbonyl carbon is then reduced to an alkane by adding NH3 after which LiAlH4 is added. The mechanism is finished by the addition of water, which causes the product to form.
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what is chemical energy
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Answer:
chemical energy is the energy of a chemical substance that is stored in the bonds of chemical compounds and is released when they undergo a chemical reaction and transform into another substance
pure aluminum is a ductile metal with low tensile strength and hardness. its oxide al2o3 (alumina) is extremely strong, hard, and brittle. can you explain this difference from an atomic bonding point of view
Answers
The ionic bond has a much higher quality than metallic bonds. As a result, more vitality is required to break the bonds between Al and O than between Al and Al. Pure aluminium ductility .
Pure aluminium is very ductile and has a high electrical conductivity. the difference between the atomic bond between those two are Pure aluminium is a metal with a metallic bond. It has a Face Centered Cubic crystal structure and can be moved to thin thwarts.Aluminium is also used in electrical connections and transmitters for high-pressure overhead transmission lines, as well as local wiring in electrical applications.
Alumina (Al2O3) Brittleness- In any case, its oxide Al2O3 (aluminium oxide, also known as alumina, corundum) has a trigonal structure, a melting point greater than 2000 °C, and it (Al2O3) is extremely refractive. Alumina blocks are used as heater linings in high-temperature applications.
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Do you think elements with large electron affinities will gain or lose electrons? Explain your thinking.
Answers
Answer:
The less valence electrons an atom has, the least likely it will gain electrons. Electron affinity decreases down the groups and from right to left across the periods on the periodic table because the electrons are placed in a higher energy level far
Explanation:
Answer:
Electron affinity increases upward for the groups and from left to right across periods of a periodic table because the electrons added to energy levels become closer to the nucleus, thus a stronger attraction between the nucleus and its electrons. Remember that greater the distance, the less of an attraction; thus, less energy is released when an electron is added to the outside orbital. In addition, the more valence electrons an element has, the more likely it is to gain electrons to form a stable octet. The less valence electrons an atom has, the least likely it will gain electrons.
Electron affinity decreases down the groups and from right to left across the periods on the periodic table because the electrons are placed in a higher energy level far from the nucleus, thus a decrease from its pull. However, one might think that since the number of valence electrons increase going down the group, the element should be more stable and have higher electron affinity. One fails to account for the shielding affect. As one goes down the period, the shielding effect increases, thus repulsion occurs between the electrons. This is why the attraction between the electron and the nucleus decreases as one goes down the group in the periodic table. hope i helped
Explanation:
can someone go answer my qeastion please this is what it looks like
Answers
Answer:
C
Explanation: i hope this helps plz tell me if its wrong so i can fix it :)
Sample data from titration lab:
Amount of analyte; (HCI): 19.54 mL
Amount of titrant: (NaOH): 12.33mL
Molar concentration of NaOH: 0.5 mol
The molarity of the HCl would be:
VM
The numbers I used are probably wrong
Answers
Based on the volumes of HCl and NaOH reacted, the molarity of HCl is 0.3 M
What a titration?A titration is a process in volumetric analysis in which the given volume of a substance of known concentration reacting with a volume another solution of unknown concentration is used to determine the unknown concentration of another solution
In the titration given, an unknown concentration of HCl reacts with 0.5 M NaOH solution.
The equation of the reaction is given below:
HCl + NaOH -----> NaCl + H2OAt equivalence point, 1 mole of HCl reacts with 1 moles of NaOH
moles of NaOH = 12.33 × 0.5 = 6.165 moles
moles of HCl = 19.54 × M
From above, moles of HCl = 6.165 moles
Molarity of HCl, M = 6.165/19.54
Molarity of HCl = 0.3 M
Therefore, the molarity of HCl is 0.3 M
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Answer:
0.317
Explanation:
right on edge
I'll brainliest whoever has the best sentences in own words. I have my words!
explain how the amplitude, wavelength and frequency of sound waves are related to the qualities of sound that we can hear
Answers
Answer:
Waves have many properties, including frequency, wavelength, amplitude, timbre, and direction.A higher frequency sound is perceived as a higher note, because frequency is the same thing as pitch. The amplitude is how tall the wave is. A higher amplitude sound wave is a louder sound.
Explanation:
Explanation:
I'll brainliest whoever has the best sentences in own words. I have my words!
explain how the amplitude, wavelength and frequency of sound waves are related to the qualities of sound that we can hear
if a radioactive element a decays into radioactive element b in 1 half-life of 20 seconds, then after 40 seconds
Answers
After 40 seconds, the fraction of element A remaining is 1/4, and the remaining fraction has decayed into element B.
If a radioactive element A decays into radioactive element B in 1 half-life of 20 seconds, then after 40 seconds, we can calculate the number of half-lives that have elapsed since the initial amount of A:
40 seconds / 20 seconds per half-life = 2 half-lives
Each half-life reduces the amount of A to half its original value, so after two half-lives, the amount of A remaining is (1/2) x (1/2) = 1/4 of its original amount.
Therefore, after 40 seconds, the fraction of element A remaining is 1/4, and the remaining fraction has decayed into element B.
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Alkaline water is the best-selling type of bottled water in the country. This is an example of:
A. Popular Opinion
B. Line of Evidence
C. Anecdote
Answers
Answer:
mu answer is A
Explanation:
i think it is a popular opinion because its the opinion of a country
QUESTION 20 Which of the following is a producer? oak tree raccoon cockroach human
Answers
Answer:
may be the first one is a producer
I hope this helps
One student rubs a balloon against his hair several times. Another student passes a comb through her hair several times. The students place the comb near the balloon and observe that the comb repels the balloon. Which is the most likely reason the comb is able to repel the balloon?
Answers
Answer:
They have like charges
Explanation:
Like charges repel, opposite charges attract
The most likely reason the comb is able to repel the balloon is that, the balloon and the comb have the same electrical charge.
The question is incomplete, the complete question is;
One student rubs a balloon against his hair several times. Another student passes a comb through her hair several times. The students place the comb near the balloon and observe that the comb repels the balloon. Which is the most likely reason the comb is able to repel the balloon?
A.The balloon has a positive charge and the comb is neutral.
B. The balloon and the comb have the same electrical charge.
C. The balloon has a negative charge and the comb is neutral.
D. The balloon and the comb have opposite electrical charges
When the student rubs a balloon against his hair several times or another student passes a comb through her hair several times, static charges are built up on the balloon and the comb.
One of the ways by which a neutral object can be charged is by friction. That is, rubbing it against another object repeatedly.
The fact that when the students place the comb near the balloon and observe that the comb repels the balloon means that both the comb and the balloon acquired the same kind of charge after friction.
Therefore, the balloon and the comb have the same electrical charge.
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Define kinetic energy. A) energy associated with the temperature of an object B) energy associated with the motion of an object C) energy associated with the force of an object D) energy associated with the gravity of an object E) energy associated with the position or composition of an object 2) Determine the density of an object that has a mass of 1498 g and displaces 12.1 mL of water when placed in a graduated cylinder. A) 8.08 g/mL B) 1.38 g/mL C) 12.4 g/mL D) 18.1 g/mL E) 11.4 g/mL 3) How many significant figures are in the measurement, 20.300 m?! A)3 B) 4 C) 5 D) 1 E)2 4) What does "X" represent in the following symbol? 80 358 A) mercury B) chlorine C) scandium D) bromine E) selenium 5) Write the formula for copper (II) sulfate pentahydrate. A) Cu2SO3 H5 B) Cu2S'H20 C) CuS 5H20 D) (CuSO4)5 E) CuSO4'5H20
Answers
1. B, the energy associated with the motion of an object
2. C, 12.4 g/mL
3. C, 5
1) B) Kinetic energy is energy associated with the motion of an object.
2) B) Density equals mass divided by volume: 1.38 g/mL
3) C) There are 5 significant figures in 20.300
4) A) 80 is the atomic number for mercury on the periodic table.
5) E) The formula for copper (II) sulfate pentahydrate is CuSO4•5H2O
So in summary:
• Kinetic energy is the energy of a moving object due to its motion.
• Density is calculated by dividing an object's mass by its volume.
• Significant figures refer to the known precision of a measurement based on the digits reported.
• Atomic symbols represent elements on the periodic table.
• Chemical formulas use symbols of the elements to show the proportions of atoms in a compound.
The absolute pressure at the bottom of a container of fluid is 140kPa. One layer of fluid is clearly water with a depth of 20cm. The other mysterious fluid though has a depth of 30cm. a) What is the density of the unknown fluid?
b) Which layer is on top in the container?
Answers
a). Thus, the density of the unknown fluid is 720 kg/m³. b). So, the water layer is at the bottom and the unknown fluid layer is on top in the container. are the answers
Given data Absolute pressure at the bottom of the container of fluid = 140kPa
Depth of the water layer = 20 cm
Depth of the unknown fluid layer = 30 cm
a) Density of the unknown fluid
Let the density of the unknown fluid be ρ2 Formula used
Pressure = Density × gravity × height + Atmospheric pressure
At the bottom of the
container Pressure = Density × gravity × height + Atmospheric pressure
140 kPa = ρ1 × 9.8 m/s² × (0.2 + 0.3) m + atmospheric pressure
Also, Density of water = 1000 kg/m³
We need to find the density of the unknown fluid i.e. ρ2
Thus, the density of the unknown fluid is 720 kg/m³
b) Layer which is on top in the container
Water is denser than the unknown fluid
So, the water layer is at the bottom and the unknown fluid layer is on top in the container.
Hence, option (C) is correct.
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a) The density of the unknown fluid is 478.48 kg/m³.
b) The layer of the unknown fluid is on top of the container.
Given that the absolute pressure at the bottom of a container of fluid is 140 kPa. One layer of fluid is clearly water with a depth of 20 cm. The other mysterious fluid though has a depth of 30 cm. We need to find out the density of the unknown fluid and also identify which layer is on top of the container.
We know that the pressure at the bottom of a container of fluid is given by the formula:
P = hρg
Where,
P is the absolute pressure
h is the depth
ρ is the density
g is the acceleration due to gravity
Substituting the given values in the formula, for water,
P = hρg
140 × 10³ = 20 × ρ × 9.81
ρ = 716.92 kg/m³
Similarly for the other fluid,
P = hρg
140 × 10³ = 30 × ρ × 9.81
ρ = 478.48 kg/m³
Therefore, the density of the unknown fluid is 478.48 kg/m³.
Now, to identify the layer that is on top in the container, we need to compare the densities of the two layers. The layer with the lower density will be on top. Here, we can see that the density of water (which is 716.92 kg/m³) is greater than the density of the unknown fluid (which is 478.48 kg/m³). Therefore, the layer of the unknown fluid is on top of the container.
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A rock brought back from the moon contained 1/8 of a radioactive substance that was present when the rock was formed. If the half-life of this substance is 1.5 billion years, how old is the moon rock?
Answers
The age of the moon rock is roughly 11.8 billion years.
The age of the moon rock can be estimated using the half-life of the radioactive substance. The half-life of a radioactive substance is the amount of time it takes for half of the original amount of the substance to decay. In this case, the half-life is 1.5 billion years.
To determine the age of the moon rock, we can use the concept of exponential decay. Exponential decay is a mathematical term that describes the rate at which a substance decays over time. Since the rock contains 1/8 of the original amount of the radioactive substance, we can use this information to estimate the age of the rock.
Assuming that the original amount of the radioactive substance has decayed exponentially over time, we can determine the age of the rock using the following equation:
\(Age =\frac{ (Half-life *ln(\frac{1}{8})) }{ ln(2)}\)
Plugging in the given information, we get:
\(Age = \frac{(1.5\ billion\ years\ * \ ln(\frac{1}{8})) }{ ln(2)}\)
Solving for Age, we get:
Age = 11.8 billion years
Therefore, the moon rock is estimated to be 11.8 billion years old.
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help me get this right no links
Answers
Answer:
What's the question? or show a picture
how many significant figures are in 0.00970 g?
Answers
Answer:
3
Explanation:
begining 0's are never significant
all numbers 1-9 are always significant
ending 0's are only significant when there is
a decimal.
When an alkaline earth carbonate is heated, it releases CO₂, leaving the metal oxide. The temperature at which each Group 2A(2) carbonate yields a CO₂ partial pressure of 1 atm isCarbonate Temperature (°C)MgCO₃ 542CaCO₃ 882SrCO₃ 1155BaCO₃ 1360(a) Suggest a reason for this trend.
Answers
Because of decreasing in the charge density of alkaline earth metal the bond between the carbonate anion and alkaline earth metal cation will be stronger.
What is a Chemical Reaction ?A chemical reaction is a process in which chemical bonds between atoms to break and reorganize, to form other new substances.
Now write the chemical equation
Reactions Temperature
MgCO₃ → MgO + CO₂ 542
CaCO₃ → CaO + CO₂ 882
SrCO₃ → SrO + CO₂ 1155
BaCO₃ → BaO + CO₂ 1360
What is Alkaline Earth Metals ?Alkaline earth metals belong to group 2 of the periodic table. These are the alkaline earth metals beryllium, magnesium, calcium, strontium, barium and radium.
Thus from the above conclusion we can say that because of decreasing in the charge density of alkaline earth metal the bond between the carbonate anion and alkaline earth metal cation will be stronger.
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What is a map? Explain it in a sentence.
PLEASE HELPP
Answers
Answer:
A map is a visual representation of all land
Explanation:
im smart
Answer: a map is a peice of paper or plastic that shows you the world and the contenents and the state and the countries ,.
Explanation:
In the following image, atoms are represented by colored circles. Different colors represent different
types of atoms. If atoms are touching, they are bonded.
Which of the following boxes shows a mixture of elements and compounds?
A. D
B. C
C. B
D. A
Answers
What a weird way to organize the answers...
This is a device used to measure the heat temperature in the smoking process
Answers
Answer:
The K type thermocouple is used in the test to measure the temperature, especially in the burning chamber..
Two thermometers need to be used during the smoking process. One thermometer measures the air temperature of the smoker. The other thermometer is used to monitor the food product temperature..
Explanation:
Hope it helps you..
J-just correct me if I'm wrong, okay?..(;ŏ﹏ŏ)
B-but..
Y-your welcome in advance!!..
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Complete the table by filling in the missing information.
Options for A
- pressure, volume
- temperature, pressure
- volume, temperature
Options for B
- pressure, moles of gas
- temperature, moles of gas
- volume, moles of gas
Options for C
- Gay-Lussac’s law
- Charles’s law
- Dalton’s law
Options for D
- V = kT
- V = kP
- V = KP
Options for E
- pressure, volume
- temperature, pressure
- volume, temperature
Options for F
- PT = k
- P = kT
- T = kV
Options for G
- pressure only
- temperature, volume
- number of moles only
- pressure, temperature
Answers
Answer:
A. Pressure,Volume
B. Temperature, moles of gas
C. Charles Law
D. V=kT
E. Temperature, Pressure
F. P= kT
G.Number of Moles only
Explanation:
how many grams of co2 would result from the complete combustion of 4.00 mol butane (c4h10)?
Answers
The complete combustion of 4.00 mol butane (C4H10) would result in 704.16 grams of CO2
To determine how many grams of CO2 would result from the complete combustion of 4.00 mol butane (C4H10), please follow these steps:
Step 1: Write the balanced chemical equation for the combustion of butane.
C4H10 + 6.5O2 -> 4CO2 + 5H2O
Step 2: Determine the mole ratio of butane to CO2.
From the balanced equation, we can see that for every 1 mole of butane, 4 moles of CO2 are produced. So, the mole ratio is 1:4.
Step 3: Calculate the moles of CO2 produced.
Since you have 4.00 moles of butane, use the mole ratio to find the moles of CO2:
4.00 moles of butane * (4 moles of CO2 / 1 mole of butane) = 16.00 moles of CO2
Step 4: Convert moles of CO2 to grams of CO2.
To do this, you need to know the molar mass of CO2, which is approximately 44.01 g/mol. Multiply the moles of CO2 by the molar mass:
16.00 moles of CO2 * 44.01 g/mol = 704.16 grams of CO2
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A ______ fatty acid has 2 or more locations in the carbon chain that are not saturated with hydrogen.
Answers
A polysaturated fatty acid has 2 or more locations in the carbon chain that are not saturated with hydrogen .
What is polyunsaturated fatty acid ?Polyunsaturated fatty acids are fatty acids that contain more than one double bond in their backbone .this class includes many important compounds ,such as essential fatty acids and those that give drying oils their characteristic property .
Polyunsaturated fatty acids can be classified in various groups by their chemical structures :
1) methylene-interrupted polyenes
2) conjugated fatty acids
based on the length of their carbon backbone ,they are sometimes classified in two groups :
1) short chain polyunsaturated fatty acids : with 18 carbon atoms .
2) long - chain polyunsaturated fatty acids : with 20 or more carbon atoms .
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how is atp used within the cell? a. hydrolysis of the phosphoanhydride bonds releases energy that can be used to power chemical reactions b. phosphorylation of adp stores energy that can be used later to power chemical reactions c. as an energy currency in the cell d. all of the above
Answers
ATP used within the cell d)all of the above . It is involved in various processes, such as a) hydrolysis of the phosphoanhydride bonds releases energy that can be used to power chemical reactions b. phosphorylation of adp stores energy that can be used later to power chemical reactions c. as an energy currency in the cell .
When a cell requires energy for various chemical reactions and processes, it utilizes ATP. This is achieved through the hydrolysis of phosphoanhydride bonds in ATP, which releases energy. The breaking of these bonds converts ATP into ADP (adenosine diphosphate) and an inorganic phosphate (Pi), releasing energy in the process.
As a result of its involvement in both energy release and energy storage, ATP serves as an energy currency within the cell. In summary, ATP is utilized in the cell through the hydrolysis of phosphoanhydride bonds, phosphorylation of ADP, and as an energy currency, supporting various chemical reactions and processes crucial to cellular function.The correct answer is d).
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Which animals/insects look their young?
Answers
Answer:
mosquito , pigs look their youngExplanation:
I hope it helps ❤❤A student is trying to classify an unidentified, solid gray material as a metal or a nonmetal. Which question will best help the student classify the material?.
Answers
The question that will best help the student to classify the material is; "is the material malleable or ductile?"
Generally, materials can be classified as metals or non metals. There are properties that are particular to metals and there are properties that are particular to nonmetals and these properties can be used to identify each one of the materials.
The question that will best help the student to classify the material is; "is the material malleable or ductile?" These metallic properties.
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Missing parts;
A student is trying to classify an unidentified, solid gray material as a metal or a nonmetal. Which question will best help the student classify the material? A. Is the material malleable or ductile? B. Does the material feel hard to the touch? C. Will the material float in water? D. Does the material feel rough or smooth?
P3- is a(n) ______________________, so it ________________ valence electrons. Group of answ er choices anion, gained cation, gained cation, lost anion, lost
Answers
Answer: anion , gained
Explanation:
When an atom accepts an electron negative charge is created on atom and is called as anion.
When atom loses an electron positive charge is created on atom and is called as cation.
Phosphorous (P) has an atomic number of 15 which means it contains 15 electrons and there are 5 valence electrons.
For formation of , the atom of phosphorous (P) must gain three electrons in its valence shell 3p so as to complete its octet
\(P:15:1s^22s^22p^63s^23p^3\)
\(P^{3-}:18:1s^22s^22p^63s^23p^6\)
Which of the following is a measure of the randomness of a system?
O A. Heat
O B. Energy
O C. Efficiency
O D. Entropy