6. Consider the molecule xylene; and predict its reaction behavior with
1. Bromine solution
2. KMn04
3. AlCl3 and CHCI;
Answers
1. Xylene will react with bromine solution to undergo electrophilic aromatic substitution, where bromine will replace one of the hydrogen atoms on the aromatic ring.
2. Xylene will not react with KMnO₄ under normal conditions as it is a relatively stable aromatic compound.
3. Xylene can react with AlCl₃ and CHCl₃ under Friedel-Crafts conditions to form a substituted product. AlCl₃ acts as a Lewis acid, facilitating the reaction by generating a carbocation intermediate, which is then attacked by the chloride ion from CHCl3 to form a substituted product.
In summary, xylene will undergo electrophilic aromatic substitution with bromine solution, will not react with KMnO₄, and can undergo Friedel-Crafts reaction with AlCl₃ and CHCl₃ to form a substituted product.
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Related Questions
For each of the compounds, find the length of the longest carbon chain in the box provided.
CH,
CH3 -CH2-CH2-CH2-CH-CH2-CH2 - CH2 - CH3
CH,CH,CH,
HC
CH-CH2-CH3
CH,CH.CHCCH,CH,CH,
1
CH2
H.C CH.CH
CH3
<
Answers
Answer:
In First compound the longest chain contains 7 C atoms.
In the Second compound the longest chain contains 9 C atoms.
In the Third compound the longest chin contains 7C atoms.
Explanation:
In first compound the longest chain contains 7 carbon atoms.In the second compound the longest chain contains 9 carbon atoms.In the third compound the longest chin contains 7 carbon atoms.
What is an atom?An atom is defined as the smallest unit of matter which forms an element. Every form of matter whether solid,liquid , gas consists of atoms . Each atom has a nucleus which is composed of protons and neutrons and shells in which the electrons revolve.
The protons are positively charged and neutrons are neutral and hence the nucleus is positively charged. The electrons which revolve around the nucleus are negatively charged and hence the atom as a whole is neutral and stable due to presence of oppositely charged particles.
Atoms of the same element are similar as they have number of sub- atomic particles which on combination do not alter the chemical properties of the substances.
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What is the base name for the following compound?
C-C-C-C-C=0
Answers
Answer:
Ethanoic Acid
Explanation:
Organism typically have more than one form of each gene if one form can mask the appearance of another form that form is considered what
Answers
Dominant
Explanation:
Meaning that particular gene is stronger than the others.
if the phases of matter are arranged in order of increase disorder, what would that arrangement be
Answers
The arrangement of phases of matter in order of increasing disorder is as follows:
SolidLiquidGasThe arrangement is based on the level of molecular movement and arrangement within each phase. In a solid, the particles are tightly packed and have a fixed position, resulting in a highly ordered arrangement. The molecules in a solid vibrate around their fixed positions but do not have the freedom to move around.
In a liquid, the particles have more freedom of movement compared to solids. They can flow and take the shape of their container while maintaining some degree of order. However, the arrangement is less ordered than in a solid.
In a gas, the particles have the highest level of disorder. They move freely and rapidly, filling the entire space available to them. Gas particles have no fixed positions or arrangements, leading to the highest level of disorder among the three phases.
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Hello! So I need help with these neutralization reactions and its fill in the blank. The question asks,
Balance the following neutralization reactions:
_______ HBr + _______ KOH _______KBr + _______H2O
_______ HF + _______ Fe(OH)3 _______FeF3 + ______ H2O
______HCl + _______ Ca(OH)2 _______CaCl2 + ______ H2O
Answers
The balanced equation for the neutralization reactions is as below.
Balancing chemical reaction equationsIn order for chemical equations to be balanced, the number of atoms of each element before and after the reaction must be equal.
Thus:
\(HBr + KOH --- > KBr + H_2O\)\(3HF + Fe(OH)_3 --- > 3 H_2O + FeF_3\)\(2HCl + Ca(OH)_2 --- > CaCl_2 + 2H_2O\)More on balancing chemical equations can be found here: https://brainly.com/question/15052184
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A volume of 20.0L of oxygen is warmed from -30.0C to SATP condition. What is the new volume if the pressure is kept constant
Answers
V1 = 20.0 L
T1 = -30.0°C = 243 K
T2 = 273 K
20.0/243 = V2/273
V2 = 22.5 L
Which of the following is false?
KCl is a heteronuclear diatomic molecule
H2S is called hydrogen sulfide as a molecule and called hydrosulfuric acid as an acid
HCl is called hydrogen chloride as a molecule and called hydrochloric acid as an acid
H2 is a homonuclear diatomic molecule but is not a compound
NO2 is called nitrogen dioxide and N2O is called dinitrogen monoxide
H2O is a heteronuclear polyatomic molecule and also a compound
HCl is a heteronuclear diatomic molecule and also a compound
HCl is called hydrogen chloride as a molecule and called hydrochloric acid as an acid
Answers
The false statement among the given options is : H2 is a homonuclear diatomic molecule but is not a compound.What is a diatomic molecule?Diatomic molecules are molecules that contain two atoms, typically of the same or similar chemical elements.
The atoms in a diatomic molecule can be the same (homonuclear molecules) or different (heteronuclear molecules).For instance, H2, N2, O2, F2, Cl2, Br2, and I2 are examples of homonuclear diatomic molecules. A compound is a substance that contains two or more elements that are chemically bonded together.
A compound is composed of atoms of two or more different elements combined in a fixed proportion.The false statement among the given options is "H2 is a homonuclear diatomic molecule but is not a compound."
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A sphere of radius 0.457 m, temperature 32.2 ∘
C, and emissivity 0.924 is located in an environment of temperature 82.9 ∘
C. At what rate does the sphere (a) emit and (b) absorb thermal radiation? (c) What is the sphere's net rate of energy exchange? (a) Number (b) Number Units Units
Answers
a) The sphere emits thermal radiation at a rate of 139.75 Watts.
b) The sphere absorbs thermal radiation at a rate of 37.66 Watts.
c) The sphere's net rate of energy exchange is 102.09 Watts.
What are the rates of thermal radiation emission, absorption, and net energy exchange for the sphere?To calculate the rates of thermal radiation emission and absorption, we can use the Stefan-Boltzmann law, which states that the rate of thermal radiation emitted or absorbed by an object is proportional to its surface area, temperature, and the Stefan-Boltzmann constant.
a) The rate of thermal radiation emitted by the sphere can be calculated using the formula:
Emitting Rate = emissivity * surface area * Stefan-Boltzmann constant * (\(temperature^4 - environment\ temperature^4\))
Plugging in the given values:
Emitting Rate = \(0.924 * (4\pi * (0.457)^2) * 5.67 \times 10^{-8} * ((32.2 + 273.15)^4 - (82.9 + 273.15)^4)\)
Emitting Rate ≈ 139.75 Watts
b) The rate of thermal radiation absorbed by the sphere can be calculated in a similar way but using the environment temperature as the object's temperature:
Absorbing Rate = emissivity * surface area * Stefan-Boltzmann constant * (\(environment\ temperature^4 - temperature^4\))
Plugging in the given values:
Absorbing Rate = \(0.924 * (4\pi * (0.457)^2) * 5.67 \times 10^{-8} * ((82.9 + 273.15)^4 - (32.2 + 273.15)^4)\)
Absorbing Rate ≈ 37.66 Watts
c) The net rate of energy exchange is the difference between the emitting rate and the absorbing rate:
Net Rate = Emitting Rate - Absorbing Rate
Net Rate = 139.75 Watts - 37.66 Watts
Net Rate ≈ 102.09 Watts
Therefore, the sphere emits thermal radiation at a rate of 139.75 Watts, absorbs thermal radiation at a rate of 37.66 Watts, and has a net rate of energy exchange of 102.09 Watts.
Note: The units for all the rates are Watts.
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Some of the brine is encapsulated within ice crystals, but most is trapped in the spaces between neighboring crystals. When air temperature falls below 0°C, the brine migrates downward, toward the higher water temperatures below. Eventually, the high-density brine drains into the water beneath the ice. In the process, the sea ice freshens while the salinity of the underlying water. and becomes
a increases less dense
b
increases
more dense
c. decreases less dense
d. decreases
more dense
Answers
The high-density brine drains into the water beneath the ice and in the process, the sea ice freshens while the salinity of the underlying water decreases, becoming less dense (Option C).
Sea ice is usually less salty than the ocean water it freezes from. During the process of ice formation, salt in the ocean water is expelled from the ice as it grows; most of the salt is ejected into the ocean but some remain trapped inside pockets of brine within the ice. When the air temperature falls below the freezing point of seawater (usually around -1.8 °C), water molecules start to form ice crystals, which grow and aggregate into a solid sheet of ice.
During this process, the salt rejected by the growing ice also accumulates, causing the salinity of the remaining brine to increase. Some of the brine is encapsulated within ice crystals, but most are trapped in the spaces between neighboring crystals.
Thus, the correct option is C.
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What is the molality of a solution containing 10.0g of Na2SO4 dissolved in 750g of water?
Answers
Answer: 74
Explanation: cause it can
Which of the following factors is needed during light-dependent reactions to create ATP and NADPH energy molecules?
Oxygen
Solar energy
Carbon dioxide
Water
Answers
write the importance of sodium chloride?
Answers
Answer:
Sodium chloride is essential to maintain the electrolyte balance of fluids in a person's body. If levels of electrolytes becomes too low or too high , a person can become too dehydrated or over hydrated , according to U.S National Library of medicine.Explanation:
✧Thanks✧Answer:
NaCl(Sodium chloride)
Explanation:
The importance of sodium chloride are
It is used to prepare food
It is used for preserving food
The solution of sodium chloride may conduct electricity
( copper is Cu) How many Copper atoms in 3CuSO 4
Need help ASAP !!!!!
Answers
acid and base characteristics substance a substance b substance c substance d sour taste bitter taste neutral taste sharp taste strongly conducts electricity. strongly conducts electricity. weakly conducts electricity. strongly conducts electricity. reacts with most metals to generate hydrogen gas. can react to make soap. can react with acids or bases. generally will not react. predict which substance would not act as an acid or a base according to bronsted-lowry's definition.
Answers
Substance C would not act as an acid or a base according to the Bronsted-Lowry definition.
In a chemical process, an acid contributes a proton (H+), whereas a base absorbs a proton, according to the Bronsted-Lowry definition. The tasteless substance C does not display the characteristics of an acid or a basic. It is unable to take part in Bronsted-Lowry acid-base reactions because it neither donates nor accepts protons.
According to the Bronsted-Lowry definition, substances A, B, and D can act as acids or bases if they have acidic or basic properties such a sour or bitter taste, are reactive with metals, or can react with other acids or bases. Thus, Substance C would not act as an acid or a base according to the Bronsted-Lowry definition.
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the heat of vaporization for ammonia, nh3, is 8.65 kj/mol. how much heat (in kj) is required to vaporize 14.0 g of ammonia?
Answers
Approximately 7.09 kJ of heat is required to vaporize 14.0 g of ammonia.
The heat of vaporization for ammonia, NH3, is 8.65 kJ/mol. To calculate how much heat is required to vaporize 14.0 g of ammonia, we can follow these steps:
1. Convert the given mass of ammonia from grams to moles. We can use the molar mass of ammonia to do this. The molar mass of NH3 is approximately 17.03 g/mol. Dividing 14.0 g by 17.03 g/mol gives us 0.82 mol.
2. Now, we can use the heat of vaporization to find the amount of heat required. The heat of vaporization is given as 8.65 kJ/mol. Multiplying this value by the number of moles of ammonia (0.82 mol) gives us the amount of heat required.
8.65 kJ/mol * 0.82 mol = 7.09 kJ
Therefore, approximately 7.09 kJ of heat is required to vaporize 14.0 g of ammonia.
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is a particle with a positive charge.:)
Answers
How does the process of cell division replace damaged cells
Cells split into two new cells with the identical genetic make up
Chloroplasts use carbon dioxide and water to create glucose
Metatron Gia uses oxygen to break down glucose and convert it to ATP
Waste passes through the cell membrane and leaves the cell
Answers
Answer:
A
Explanation:
The cells split up into two to repair the damaged cell
Using the models of the molecules below, (H2 and CH4) what does it mean for a molecule to be symmetrical?
Answers
Answer:
A molecule is symmetrical if it can be cut into two identical halves.
Explanation:
H2 can be written as H + H
CH4 is not a symmetrical molecule
Including the cis or trans designation what is the iupac name of the following substance ch3ch2ch2
Answers
The IUPAC name of the substance CH3CH2CH2, including the cis or trans designation, is not provided in the question. However, I can provide a general explanation on how to name alkenes using the IUPAC system.
To name alkenes, you need to follow a specific set of rules. Here is a step-by-step guide: Identify the longest continuous chain of carbon atoms that contains the double bond. This will determine the parent chain of the alkene.
Number the carbon atoms in the parent chain, starting from the end closest to the double bond. This will help to assign the location of substituents. Determine the cis or trans designation.
If the substituents on each side of the double bond are on the same side, it is cis. If they are on opposite sides, it is trans. Name the substituents attached to the parent chain using their appropriate prefixes (e.g., methyl, ethyl, propyl, etc.). Combine the substituent names with the parent chain name, ensuring to use appropriate numerical prefixes to indicate the location of the substituents. For example, if the substance CH3CH2CH2 had a double bond between the second and third carbon atoms, and both substituents were on the same side, the IUPAC name would be cis-2-butene.
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classify each of the following changes as either a physical or a chemical change
1: The addition of the water to quicklime (i.e., the slaking of lime)
2: The melting of candle wax
3: The change in colour of zinc oxide from white to yellow and vice versa during heating and after cooling, respectively
4: The dissolution of common salt
5: The hardening of cement by the absorption of carbon (Iv) oxide
Answers
The changes are classified as follows:
1: Chemical change - The addition of the water to quicklime
2: Physical change - The melting of candle wax
3: Physical change - The change in colour of zinc oxide from white to yellow and vice versa during heating and after cooling, respectively
4: Physical change- The dissolution of common salt
5: Chemical change - The hardening of cement by the absorption of carbon (Iv) oxide
1: The addition of water to quicklime (slaking of lime) is a chemical change. It involves a chemical reaction between calcium oxide (quicklime) and water to form calcium hydroxide (slaked lime). This reaction is exothermic and produces heat.
2: The melting of candle wax is a physical change. It involves a phase transition from a solid state to a liquid state due to the application of heat. The chemical composition of the wax remains unchanged during this process.
3: The change in color of zinc oxide from white to yellow and vice versa during heating and cooling is a physical change. It is a reversible process caused by the alteration of the crystal structure of zinc oxide. The change in color is due to the absorption or release of energy during the heating and cooling processes, respectively.
4: The dissolution of common salt (sodium chloride) is a physical change. It involves the separation of ionic bonds between sodium and chloride ions in the solid salt and their subsequent dispersal in water. The chemical composition of the salt remains the same; it simply forms a homogeneous mixture with water.
5: The hardening of cement by the absorption of carbon dioxide (CO2) is a chemical change. It involves a chemical reaction known as carbonation, where carbon dioxide reacts with the calcium hydroxide in cement to form calcium carbonate. This reaction leads to the formation of new chemical compounds and a change in the structure and properties of the cement, resulting in its hardening or curing process.
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which observation provided Albert Einstein the clue that he needed to explain the photoelectric effect?
Answers
Answer:
Which observation provided Albert Einstein the clue that he needed to explain the photoelectric effect? Energy of electrons depends on light's frequency, not intensity. A change in which property of light will have no effect on whether or not the photoelectric effect occurs?
Explanation:
To convert the number below to scientific notation, where should you move
the decimal point?
28,000
OA. Three places to the left
OB. Four places to the left
OC. Three places to the right
D. Four places to the right
Answers
Answer:
OB four places to the left. im just writing random stuff so i can post this answer hope you dont mund
What type of reaction occurs between acetic acid and sodium bicarbonate in the Titration Lab?
Answers
Answer:
Explanation:
Titration is
when in a lab someone uses
a small pipe called a
pipette
and
drop by drop
they add chemical B (titrant) to chemical A
until something happens
its done drop by drop to find out what is the exact amount needed to cause a reaction
sciencedirectcom
Answer:
Sodium bicarbonate and acetic acid reacts to carbon dioxide, water and sodium acetate.
Explanation:
Sodium bicarbonate and acetic acid reacts to carbon dioxide, water and sodium acetate. The solid baking soda was placed in liquid vinegar producing carbon dioxide gas, which is evident because of the formation of bubbles in the foaming mixture.
List 3 things you notice about the ingredients and recipes
Answers
Answer:
refer to attachment OK sir
DUE TODAY PLS HELPPPPPPPPP MEEEEEEEE
Answers
Answer:
Explanation:
Cold air masses tend to move toward the Equator. Warm air masses tend to move toward the poles. The Coriolis effect causes them to move on a diagonal. Many air masses move toward the northeast over the U.S. This is the same direction that global winds blow.
1. What conclusions can you draw about patterns in the fossil record related to the change in organisms throughout the history of life on earth? Write an evidence-based claim.
Answers
The main conclusion to draw about patterns in the fossil record related to the change in organisms throughout the history of life on earth is that organisms evolved in order to fit (adapt) to the environment in which they lived.
What is the fossil record?The fossil record is the evidence of past remains of life (either dead plants or dead animals) that may be recovered on the earth's rocks and ordered according to the principle of superposition.
The fossil record sheds light on the phenotypic features of animals and plants that lived in the geological past, which is evidenced by certain characteristics and climate records of these past geological periods.
Therefore, with this data, we can see that organisms evolved in order to survive past geological conditions, which can be evidenced by certain features observed in the fossil record.
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Answer:
The conclusion that can be drawn about patterns in the fossil record related to changes in organisms throughout the history of life on Earth is that organisms evolved to adapt to the environment in which they lived.
Observations CuSO4 & NH4Cl Conventional, total ionic, net ionic
Answers
Therefore, the net ionic equation for the reaction is Copper(2+) (aq) + 2 chlorine- (aq) → Copper(II) chloride (aq).
What takes place when Copper(II) sulfate and Ammonium hydroxide interact?Ammonium sulphate and Copper hydroxide precipitate are the first products of the reaction between copper sulphate and ammonium hydroxide.
Mixing copper(II) sulphate and ammonium chloride results in the following observations:
Conventional: When copper ions (Copper2+) from Copper(II) sulfate are present, a blue solution develops. The colour of Ammonium Chloride doesn't seem to have changed at all.
Ionic total: While Ammonium Chloride dissociates into Ammonium and Chlorine- ions in solution, Copper(II) sulfate dissociates into Copper2+ and Sulfate 2- ions.
Copper(II) sulfate (aq) + 2 Ammonium Chloride (aq) → Copper(II) Chloride (aq) + 2 Ammonium (aq) + Sulfate 2- (aq)
Net Ionic: The net ionic equation shows only the species involved in the reaction. In this case, the Copper2+ and the Cl- ions combine to form Copper(II) chloride.
Copper2+ (aq) + 2 Chlorine- (aq) → Copper(II) chloride (aq)
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Complete and balance the molecular equation, including the phases, for the reaction of aqueous potassium sulfate, K2SO4, and aqueous strontium iodide, SrI2. Molecular equation: K2SO4(aq) + SrI2(aq) → 2KI(aq) + SrSO4(s) Write the balanced net ionic equation, including the phases, for this reaction. Net ionic equation:
Answers
An ionic equation is a chemical equation in which the electrolytes in aqueous solution are expressed as dissociated ions.
Given the molecular equation of the reaction of aqueous potassium sulfate, K2SO4, and aqueous strontium iodide, SrI2 as shown:
\(K_2SO_4\mleft(aq\mright)+SrI_2\mleft(aq\mright)\to2KI\mleft(aq\mright)+SrSO_4\mleft(s\mright)\)The total ionic equation is as shown below;
\(2K^++SO^{2-}_4+Sr^{2+}+2I^-\rightarrow2K^++2I^-_{^{^{}}}+SrSO_4\)Next is to get the net ionic equation from the total ionic equation. Canceling out the common ions on both sides of the equation will give:
\(\begin{gathered} \cancel{2K^{+_{}}}^{}+SO^{2-}_4+Sr^{2+}+\cancel{2I^-}\rightarrow\cancel{2K^+}+\cancel{2I^-}^{}_{^{^{}}}+SrSO_4 \\ SO^{2-}_4(aq)+Sr^{2+}(aq)\rightarrow SrSO_4(s) \end{gathered}\)This gives the net ionic equation of the given molecular equation
Name the property That makes each of the following suitable for the use described metal beaten into thin wires,metals molded in different shapes and metal capable of producing a deep or ringing sound
Answers
Answer:
Metals have a property by which they can be beaten into thin sheets. This is called malleability.
Explanation:
one example is silver metal beaten to make silver foil used for decorating. On being struck hard, the metals produce a ringing sound. Due to the Metals that are used for various purposes, from making wires and sheets.
In one or two sentences, explain why the combined weight of several liquids mixed in an open flask can be less than but never more than the sum of all the weights of the ingredients.
Answers
Answer: The law of conservation of mass states that mass is neither created or destroyed, so the combined mass of all the products after the reaction will be the same as the mass of all the reactants and never more, but since the flask is not closed, the gases produced from the reaction will move into the atmosphere and the product left behind , the solids and/or liquids, will be the only products that you’ll end up weighing, meaning it’ll be less weight than the original reactants. The reason I’m interchanging weight and mass is because although weight changes with gravity, so long as the gravitational force stays constant throughout the experiment, it’s pretty much the same.
Explanation: