Identify one factor represented in the diagram that is used to classify the ten types of clouds
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Stratus clouds are uniform grayish clouds that often cover the sky. Usually no precipitation falls from stratus clouds, but they may drizzle. When a thick fog “lifts,” the resulting clouds are low stratus. Nimbostratus clouds form a dark gray, “wet” looking cloudy layer associated with continuously falling rain or snow. They often produce light to moderate precipitation.
Middle clouds
Clouds with the prefix “alto” are middle-level clouds that have bases at 6,500 to 23,000 feet up. Altocumulus clouds are made of water droplets and appear as gray, puffy masses, sometimes rolled out in parallel waves or bands. These clouds on a warm, humid summer morning often mean thunderstorms by late afternoon. Altostratus clouds, gray or blue-gray, are made up of ice crystals and water droplets. They usually cover the sky. In thinner areas of them, the sun may be dimly visible as a round disk. Altostratus clouds often form ahead of storms that produce continuous precipitation.
High clouds
Cirrus clouds are thin, wispy clouds blown by high winds into long streamers. They are considered “high clouds,” forming at more than 20,000 feet. They usually move across the sky from west to east and generally mean fair to pleasant weather. Cirrostratus, thin, sheetlike clouds that often cover the sky, are so thin the sun and moon can be seen through them. Cirrocumulus clouds appear as small, rounded white puffs. Small ripples in the cirrocumulus sometimes resemble the scales of a fish, creating what is sometimes called a “mackerel sky.”
Vertical clouds
Cumulus clouds are puffy and can look like floating cotton. The base of each is often flat and may be only 330 feet above ground. The top has rounded towers. When the top resembles a cauliflower head, it is called “cumulus congestus.” These grow upward and if they continue to grow vertically can develop into a giant cumulonimbus, a thunderstorm cloud, with dark bases no more than 1,000 feet above ground and extending to more than 39,000 feet. Tremendous energy is released by condensation of water vapor in a cumulonimbus. Lightning, thunder and violent tornadoes are associated with them.
Related Questions
Please label she components of a common filter setup and answer the folowing question. All items will be used. Büchner funnel correct. rubber adaptor is item allows twovacuum connection eces of glass to fit gether to form a seal. Büchner f filter flask vacuum connection rubber adaptor unne filter flask What are two uses of a vacuum filtration setup? Select all that apply. crystallization of a solid from a solution separation of a solution and a precipitate drying a filtered solid storage of a solution
Answers
Please answer the following question and list the components of a typical filter setup. Everything will be crystallization. correct Büchner funnel Two vacuums are enabled by the rubber adaptor.
The most typical illustration is brewing tea. Tea leaves and water are separated during tea preparation using a filter or sieve. The pores of the sieve will only let water through. After this point, the band stop filter prevents frequency, whereas the bandpass filter allows it. The maximum frequency at which the output power is lowered is known as the upper cutoff frequency. Vacuum filtration: What is it? Suction filtration, another name for vacuum filtration, is a crystallization technique that is frequently used in chemistry labs to more precisely filter the given sample. General Considerations for Design of Digital Signal Processing.
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a solution of a compound in water conducts electricity, turns litmus red, and has a sour taste. what compound might be in the solution?
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A compound's solution in water has a sour taste, colors litmus red, and conducts electricity.The substance in the solution can be acidic.Mg(OH)2
What is the common name for Mg OH 2?Magnesium(2+) hydroxide or Milk of Magnesia are other names for it.It is a major ingredient in antacids and naturally occurs as the mineral brucite.Magnesium hydroxide's chemical name is Mg(OH)2.
What use does Mg OH 2 serve?As an antacid, magnesium hydroxide is employed to treat heartburn and indigestion.It works by neutralizing the stomach's hydrochloric acid to produce magnesium chloride & water.
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You finally discovered how to make a vibranium and unobtainium alloy and you want to make as much of it as possible, but you are unsure if the process is spontaneous at room temperature (25℃). Your colleague already completed experiments to determine enthalpy (ΔH = +360.0 kJ/mol) and entropy (ΔS = +185.0 J/mol*K).Calculate the Gibbs free energy for this process.A)The Gibbs free energy is kJ/molB)Is this process spontaneous at 25℃? (Enter YES or NO)C) Under what temperature conditions (K) will this reaction occur spontaneously?1.Enter ABOVE or BELOW2. Temperature K
Answers
Make sure it's the ice dragon forge, and place unobtainium in the first slot and vibranium in the second. Make the unobtainium allthemodium and combine the metals in silent Gear tools and armour.
Vibranium is unique in that it can absorb all vibrational energies. The metal can absorb various types of vibration, ranging from physical force to sound waves. The absorbed energy is stored in the bonds of molecules, making the metal more difficult to destroy. Adamantium is virtually unbreakable.
Unobtainium can only be obtained by surrounding Tungsten Ore in a crafting table with 9 Infused Ingots. Unobtainium is one of only two ores that glow, the other being mythril. The name comes from the fact that unobtainium is the only ore that cannot be obtained through normal means.
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A reaction mixture initially contains 4.2 mol zns and 6.8 mol o2. once the reaction has occurred as completely as possible, what amount (in moles) of the excess reactant is left?
Answers
The excess reactant left in the mixture is 0.5 mol.
What are reactants?
In a chemical reaction, reactants are the starting materials that react to form new products. Reactants are typically listed on the left side of a chemical equation, and the products are listed on the right side.
To determine the amount of excess reactant left in the reaction mixture once the reaction has occurred as completely as possible, we need to balance the chemical equation for the reaction and then use the balanced equation to calculate the amount of excess reactant.
Assuming that the reaction is:
ZnS + O2 -> ZnO + SO2
The balanced chemical equation would be:
2 ZnS + 3 O2 -> 2 ZnO + 2 SO2
Once the reaction has occurred as completely as possible, the amount of each reactant present in the reaction mixture can be calculated using the mole ratios from the balanced equation.
For example, if the amount of ZnS present in the reaction mixture is 4.2 mol, the amount of O2 present can be calculated as follows:
O2 = (4.2 mol ZnS) x (3 mol O2 / 2 mol ZnS) = 6.3 mol O2
Since the initial amount of O2 present in the reaction mixture was 6.8 mol, the excess reactant is 6.8 mol O2 - 6.3 mol O2 = 0.5 mol O2.
Therefore, the amount of excess reactant (O2) left in the reaction mixture once the reaction has occurred as completely as possible is 0.5 mol.
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Which has higher freezing point 0.1 m NaCl or 0.1 M glucose?
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0.1 M NaCl has a higher freezing point than 0.1 M glucose. This is because 0.1 M NaCl is a stronger electrolyte than 0.1 M glucose, which means it can form more ion-ion interactions with other molecules in the solution.
What is freezing point?The freezing point is the temperature at which a liquid turns into a solid. It is also known as the freezing temperature and is the point at which the molecules of a substance slow down enough for them to form a crystalline structure. The freezing point of a substance is determined by its chemical composition and the pressure the substance is under. Generally, the freezing point decreases as the pressure of the substance increases. For most substances, the freezing point is below 0°C (32°F). Water has a unique property, however, and its freezing point is 0°C (32°F) at a pressure of 1 atmosphere.
This increases the solution's boiling point and freezing point due to the increased attractive forces between the molecules.
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6.0 mol Al reacts with 4.0 mol O2 to
form Al2O3.
4A1+30₂ → 2Al₂O3
How many moles of Al2O3 form when
4.0 mol O2 reacts?
PLEASE HELP ASAP WORTH 20 POINTS
Answers
The actual amount of Al2O3 produced is 2.7 moles.
In Lab, We Used Oxone To Oxidize Borneol To Camphor. Write Chemical Equations Describing The Reaction Of NaCl And Oxone.
Answers
Answer:
NaO2SO3 -> Na2SO4 + O2
Explanation:
The reaction of NaCl (sodium chloride) and Oxone (potassium peroxymonosulfate) is described by the following chemical equations:
The first step in the reaction is to dissociate oxone into its component ions:
Oxone (potassium peroxymonosulfate) -> K+ (potassium ion) + O2SO3- (peroxymonosulfate ion)
The peroxymonosulfate ion (O2SO3-) then oxidizes the sodium chloride (NaCl) to produce sodium peroxymonosulfate (NaO2SO3) and chlorine gas (Cl2):
NaCl + O2SO3- -> NaO2SO3 + Cl2
The sodium peroxymonosulfate (NaO2SO3) then decomposes into sodium sulfate (Na2SO4) and oxygen gas (O2):
NaO2SO3 ) -> Na2SO4 + O2.#SPJ4
.
The element in the seventh group and the third period will have
Select one:
a.7 energy Levels and a valence of 3
b.3 energy levels and a valence of 7
c.7 energy levels and a valence of 5
d. 3 energy levels and a valence of 1
Answers
The element in the seventh group and the third period will have 7 energy Levels and a valence of 3. The element in 7th group and 3rd period is cobalt (Z = 27).
What is groups in periodic table?Groups in periodic table are vertical columns with elements having same number of valence electrons and similar chemical and physical properties. The valence of an element is the number of electrons that have to gained gained or lost from the element to achieve octet.
The element in 7th group and third period is cobalt with the atomic number of 27. The number of valence electrons is 9 in which 2 are in s electrons and 7 are in d orbital.
Therefore Co needs 3 more electrons to attain complete electronic configuration in d -orbital. Hence, there are 7 energy levels and valence of 3 for Co.
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Is hydrogen positive or negative charge?
Answers
Hydrogen is said to be positively charged and not negatively charged.
How is Hydrogen positively charged?A hydrogen atom loses an electron, becoming positively charged (it has a charge of +1), and this creates a hydrogen ion. Due to the fact that a hydrogen atom only possesses one proton and no electrons, a hydrogen atom is frequently referred to as only a proton.
A proton in the nucleus of a hydrogen atom is surrounded by one electron. In order to form a full outer shell and become more stable, hydrogen usually loses this electron or shares it with another atom in a covalent bond. Hydrogen is only one proton thick when its electron is removed, giving it a positive charge.
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What will be the ratio of rate of diffusion between o2 and h2?
Answers
4:1 will be the ratio of rate of diffusion between [tex]O_{2}[/tex] and [tex]H_{2}[/tex].
Graham's law for the diffusion of two gases is given as:
[tex]r_{1}[/tex]/[tex]r_{2}[/tex] = [tex]\sqrt{m_{2} /m_{1} }[/tex]
Substituting the molecular weights, 32 for 2 oxygen and 2 for hydrogen, we get the ratio of rates of diffusion of [tex]H_{2}[/tex]: [tex]O_{2}[/tex] = [tex]\sqrt{32/4}[/tex] = 4:1.
What is rate of diffusion?
Diffusion in gases is the random movement of particles involved in the net movement of matter from areas of high concentration to areas of low concentration. Particles in a particular gas keep colliding with other particles. In regions of the gas with the highest particle density, the particles bounce off each other, and at the boundaries of the container they bounce more than particles in regions of lower density.
4:1 will be the ratio of rate of diffusion between [tex]O_{2}[/tex] and [tex]H_{2}[/tex].
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What are the physical and chemical properties of cornstarch?
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The physical properties of cornstarch are that s a white, tasteless, odorless powder substance which is used in food processing, papermaking, and the production of industrial adhesives.
It is also a component which is used in many cosmetics and oral pharmaceutical products and is also used as a lubricant in surgical gloves.
The chemical properties are that cornstarch is usually made up of 27 percent amylose and 73 percent amylopectin. Sometimes this ration varies when comparing different corn varieties, environmental and soil conditions.
The reaction of corn starch with water doesn't results in the formation of any new product and hence is known as a physical change.
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What are the steps in enzyme reactions?
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Enzymes are proteins that catalyze chemical reactions in cells. The first step in an enzyme reaction is the binding of the substrate, the molecule that the enzyme acts on, to the active site of the enzyme.
Substrate binds to the active site of the enzyme.The enzyme-substrate complex undergoes a conformational change, bringing the substrate closer to the catalytic site.The substrate is chemically modified by the enzyme.The product(s) are released from the enzyme.The active site is a specific region on the enzyme's surface where the substrate binds. Once the substrate is bound, the enzyme may undergo a conformational change, which brings the substrate closer to the catalytic site of the enzyme. The catalytic site is the region of the enzyme where the chemical reaction takes place.
The substrate is then modified by the enzyme, resulting in the production of one or more products. Finally, the product(s) are released from the enzyme, and the enzyme is available to bind and catalyze the reaction with additional substrate molecules.
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How many Mg ions are found in 1.00 mol of MgO?
Answers
The number of atoms found in a mole of compound has been given by relationship between the mole and the Avogadro number. The Avogadro number has been the constant that has been given by the number 6.023 × 10^23.
The relationship between the atoms and mole has been given by:
1 mole = 6.023 × 10^23 mg ions.
So, the number of mg ions that has been present in1 mole of the MgO has been equivalent to the Avogadro number.
Thus, 1 mole of MgO has 6.023 × 10^23 mg ions.
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What are the 3 steps of an enzyme?
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Enzymes are proteins that act as catalysts in biochemical reactions, speeding up the rate of the reaction without being changed or consumed in the process.
Substrate binding: The substrate molecule binds to the active site of the enzyme.Catalysis: The enzyme-substrate complex undergoes a conformational change, bringing the substrate closer to the catalytic site. The substrate is then chemically modified by the enzyme.Product release: The product(s) are released from the enzyme, and the enzyme is available to bind and catalyze the reaction with additional substrate molecules.They are highly specific, meaning that they only recognize and interact with very specific molecules, allowing them to act as highly efficient catalysts.
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An electron cannot have the quantum numbers n = ________, l = ________, ml = ________.
A) 2, 0, 0
B) 2, 1, -1
C) 3, 1, -1
D) 1, 1, 1
E) 3, 2, 1
Answers
An electron cannot have the quantum numbers n = 1, l = 1, and ml = 1. Therefore, option (D) is correct.
What are the quantum numbers?The set of numbers that can describe the position and energy of a particular electron are known as quantum numbers. Four quantum numbers are principal quantum numbers, azimuthal, magnetic, and spin quantum numbers.
Principal quantum numbers (n) can designate the principal electron shell and the most probable distance between electrons and the nucleus. The azimuthal quantum number (l) can designate the shape of an orbital and has a value equal to n -1.
The magnetic quantum number can designate the total number of orbitals in a particular subshell and the orientation of orbitals. It has value -l to l.
Therefore, n = 1 then l = 0, and ml = 0 as well.
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Answer the following questions. N OR N Would you expect the above compound to be aromatic? © Yes © No Choose the correct explanations for the aromaticity of the compound. Select all that apply. | The lone pairs on the nitrogen atoms do not contribute to aromaticity. The lone pairs on the nitrogen atoms do contribute to aromaticity. The lone pairs on the nitrogen atoms occupy sp2 hybridized orbitals. The lone pairs on the nitrogen atoms occupy sp3 hybridized orbitals. One of the lone pairs on the oxygen atom (inside the ring) occupies a p orbital, giving a continuous system of overlapping p orbitals containing six electrons. One of the lone pairs on the oxygen atom (outside the ring) occupies a p orbital, giving a continuous system of overlapping p orbitals containing six electrons.
Answers
The way that we can be able to know that the compound is an aromatic compound is that the compound has a continuous network of overlapping pi orbitals. Option B
What is aromaticity?We know that the term aromaticity has to do with the fact that the compound would have the same number of electrons that would correspond to the Huckel rule. If we look at the Huckel rule, we can nsee that the statement of the rule is that a specie would be aromatic if the specie has a total of n -1 number of pi electrons that are present in a molecule of the compound as we can see in the image that has been shown here.
Given that we have the compound as it has been shown, we can see that there is a continious stretch of the overlapping orbitals. The overlapping orbitals is how we can be able to know that the compound that is in question is an aromatic compound.
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What are the three 3 factors affecting the performance of a chemical sanitiser?
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Several physical and chemical factors also influence disinfectant procedures: temperature, pH, relative humidity, and water hardness.
What has an impact on the chemical sanitizer mixture?Sanitizers can usually function properly in temperatures between 75°F and 120°F. Some metal objects may corrode when exposed to chlorine compounds at higher temperatures. Higher temperatures may also cause chlorine and iodine chemicals to evaporate from the solutions.
What aspects of sanitizing effectiveness are there?Number of microbes: If the microbial load is large, a stronger concentration of disinfectant or a longer exposure period is required to reach a specific level of disinfection.
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What would happen if H+ ions were able to freely diffuse through the mitochondrial membrane without the need for pumps or ATP synthase?
Answers
If protons (H+) were able to freely move across the mitochondrial membrane, cellular respiration will not occur.
Mitochondria are encased in a double-membrane system made up of inner and outer mitochondrial membranes separated by an intermembranous space. The inner membrane has numerous folds (cristae) that extend into the organelle's interior. In the critical process of oxidative phosphorylation, the electrochemical proton gradient across the inner mitochondrial membrane drives ATP synthesis. This is made possible by the previously mentioned membrane-bound enzyme ATP synthase.
The electron transport chain creates a proton gradient across the inner mitochondrial membrane, causing chemiosmosis to drive ATP synthesis. The proton gradient across the cristae membrane is produced by three large membrane protein complexes of the respiratory chain in the cristae, known as complexes I (NADH/ubiquinone oxidoreductase), III (cytochrome c reductase), and IV (cytochrome c reductase) (cytochrome c oxidase).
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Q 5.67: Identify the relationship between the following compounds. Et Et HOH2C нонс H CH3 Br Br 110 A different compounds B constitutional isomers C diastereomers D enantiomers
Answers
The relationship between the following compounds is constitutional isomers. Therefore, option B is correct.
What are constitutional isomers ?Compounds that differ in connectivity, or the way the constituent atoms are joined to one another, are known as constitutional isomers. A key technique for counting them is graph theory.
Constitutional isomers are molecules with varying connections, similar to how red and green beads are arranged differently in simple bracelets. Stereoisomers are the second category. Stereoisomers have identical connectivity, but their component pieces are arranged differently in space.
Thus, option B is correct.
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Provide an IUPAC name for the structure shown ball & stick (Use cis/trans terms for cyclic structures. Do not specify stereochemistry in other cases. It is not necessary to use italics in writing compound names.)
Answers
The IUPAC name for the structure shown ball and stick is methyl derivatives of cyclobutanol.
What are IUPAC names?An IUPAC name will typically have three key characteristics: a major chain or ring of carbon atoms found in the molecular structure, also known as a root or base. A suffix or additional element(s) denoting potential functional groups in the compound.
Whether in a continuous chain or a ring, the longest chain of carbons joined by a single bond serves as the basis for IUPAC nomenclature. According to a particular set of priorities, all deviations, whether multiple bonds or atoms other than carbon and hydrogen are denoted by prefixes or suffixes.
Therefore, IUPAC refers to the ball and stick-shaped structure as methyl derivatives of cyclobutanol.
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A saltwater solution is made by dissolving 2 pounds of salt in 9 gallons of water. At this rate, how many pounds of salt are needed for 18 gallons of water?.
Answers
a salt water is made by dissolving 4bpounds of salt in 18 gallons of water
assume that 50.0ml50.0ml of 1.0mnacl(aq)1.0mnacl(aq) and 50.0ml50.0ml of 1.0magno3(aq)1.0magno3(aq) were combined. according to the balanced equation, if 50.0ml50.0ml of 2.0mnacl(aq)2.0mnacl(aq) and 50.0ml50.0ml of 1.0magno3(aq)1.0magno3(aq) were combined, the amount of precipitate formed would
Answers
The stoichiometry of the reaction shows that the mass of the precipitate is 7.15 g.
What is the amount of the precipitate formed?We know that the amount of the precipitate that is formed would depend on the stoichiometry of the reaction. This is why we have to set up the balanced reaction equation as follows;
[tex]AgNO_{3} (aq) + NaCl(aq) ----- > AgCl(s) + NaNO_{3} (aq)[/tex]
Number of moles of sliver nitrate = concentration * volume
= 50/1000 L * 1 M
= 0.05 moles
Number of moles of sodium chloride = 50/1000 L * 1 M
= 0.05 moles
Since the reaction is 1:1, the amount of the precipitate is;
0.05 moles * 143 g/mol
= 7.15 g
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Can you answer these for me please
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Fluorine is the most electronegative among the group and tends more to gain an electron by chemical bonding. For the same reason, fluorine is more reactive than bromine. magnesium is more reactive than calcium because, Ca contains more inner electrons and experience shielding effect.
What is electronegativity?Electronegativity is the ability of an atomic nucleus to attracts its own electrons as well as the bonded electrons. Fluorine has the highest electronegativity than any element in periodic table.
F is more prone to be reactive since it needs gain an electrons to achieve stability. Cl has the same number valence electrons and but it contains more inner electron which shield each other. The most electronegative F will be more reactive in the group. For the same reason F is more reactive than Br also.
Potassium is more reactive than lithium because, potassium contains more loosely bound electron in its valence shell. Hence, it can be easily lose that electron through chemical bonding.
Magnesium is less reactive than Ca because, its valence electrons are more close to the nucleus. Whereas, Ca has one more shell in which the valence electrons are located which can be easily participated in bonding.
Similarly, oxygen is more reactive than sulfur, because, oxygen is highly electronegative and it tends to gain two electrons by reaction.
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Be sure to answer all parts. Draw a mechanism for the following reaction: BrtBuO t-BuO finish structure…
Answers
Elimination reactions are of three types, one is E1, second is E2 and third of E1cb. Therefore, in the below given ways we can describe the mechanism for the given reaction.
What is elimination reaction?Any of a series of organic chemical processes in which a pair or atom groups are eliminated from a molecule, generally by the actions of acids, base, or metal and, in some circumstances, by heating to an elevated temp.
t-BuO is the base which extract hydrogen ion from the given compound. This elimination reaction will proceed via E2 mechanism in which leaving group Br and H adjacent to it will be removed simultaneously to form the given element.
Therefore, in the above given ways we can describe the mechanism for the given reaction.
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Give the major product(s) for the following reaction: Your answer is the product from halogenation of the primary radical. The product from halogenation of the secondary radical is also formed.
Answers
The Cl₂ molecule breakes to form two radicals. One attacks the first double bond and forms the compound CH3-CH (Cl) -CH· -CH=CH₂. The CH radical further joins with the second Cl radical and form the product CH3-CH (Cl) -CH(Cl) -CH=CH₂.
What is halogenation?Halogenation is the reaction of organic or inorganic compounds with halogen atoms such as chlorine, bromine etc forming corresponding halides.
In the given reaction, Cl₂ molecule decomposes to form two Cl radicals thermally or photochemically. One Cl radical attacks the double bond and forms the product CH3-CH (Cl) -CH· -CH=CH₂ leaving one CH radical in it.
The second Cl radical is now available to attack the CH radical and finally produce the dihalide CH3-CH (Cl) -CH(Cl) -CH=CH₂.The compound is named as 3, 4 dichloropentene.
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The Major Product Of The Following Reaction Would Be: I II III IV An Equimolar Mixture Of I And II
Answers
To solve such this we must know the concept of nucleophilic substitution reaction. Therefore, the correct option is option II. Primary alkyl halide are suitable for SN2 reaction.
What is chemical reaction?Chemical reaction is a process in which two or more than two molecules collide in right orientation and energy to form a new chemical compound. The mass of the overall reaction should be conserved.
The characteristics of SN2 mechanism:
It is a nucleophilic substitution reaction.
Leaving group, a nucleophile, electrophile and a solvent are present
The product formed is the inverted product.
The attack of nucleophile is from backside of the leaving group.
The order of reactivity of alkyl halide is 1°>2°>3°.
Therefore, the correct option is option II.
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Given the reaction: magnesium + water --> magnesium hydroxide + hydrogen at which temperature will the reaction occur at the greatest rate?.
Answers
100 degrees Celsius is the temperature at which the reaction will happen most quickly. So the correct answer is option D.
A chemical reaction is a process that transforms one or more chemicals into others by breaking or creating interatomic connections.
In chemical reactions, substances known as reactants are transformed into additional substances known as products. The following are the variables that influence a chemical reaction's rate:
Temperature
reactant concentration
an active catalyst
Reactants' surface area
At 100°C, the reaction will be happening at the greatest speed, and the reactants will be most likely to react with one another and form the products of the reaction. The reaction rate will be higher than at lower temperatures because at higher temperatures, more molecules will have enough energy to react and make the reaction happen more quickly.
Thus , the rate of reaction likewise increases with rising temperature. Therefore, at 100°C, the reaction rate will be at its highest.
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A. 25 degrees Celsius
B. 50 degrees Celsius
C. 75 degrees Celsius
D. 100 degrees Celsius
The Lewis structure for H3BO3 is Select one: H-0 Báõ–H a. 1 :0: H 1 Ob. H–ô Bỡ–H :0: | H H-0=B=0-H Ос. :0 H H-0-B-0-H 1 :0: O d. - H 1 O e. H-0-B-04H :0: 1 H Which of the following molecules has the shortest nitrogen-to-nitrogen bond: N2H4. NO, N, N,O4? Select one: a. N2H4 O b. N2 O c. N204 O d. N20 Several resonance structures for the molecule CO2 are shown. Which one of them is likely to be of little importance in describing the bonding in this molecule? Select one: O a. 0=c=0 O b. 00-03 . Ос: :0=C-O: 2+ :: O d. 0-0-0 Two chemically important molecules CS and OCS are used in different chemical reactions, Predict if they have high, lower, or equal dipole moment in comparison (if any) to each other. Select one: O a. CS2 has lower dipole moment than OCS O b. CS, has no dipole moment than OCS O c. Cannot be compare with each other O d. OCS has no dipole moment than CS2 O e. Both have equal dipole moment O f. CS, has higher dipole moment than OCS
Answers
1) (b) is correct option H–ô Bỡ–H :0: | H H-0=B=0-H О 2) N2 has nitrogen to nitrogen triple bond.(b) is correct option 3) (a) is correct option 0=c=0
4) (b) is correct option CS, has no dipole moment than OCS O
Nitrogen is a component of several significant industrial substances, including cyanides, organic nitrates (propellants and explosives), nitric acid, ammonia, and organic nitrates. Nitrogen chemistry is dominated by the incredibly powerful triple bond found in elemental nitrogen (NN), which is the second-strongest bond found in any diatomic molecule [5] behind carbon monoxide (CO). However, it also implies that burning, exploding, or decomposing nitrogen molecules to generate nitrogen gas releases significant amounts of frequently usable energy. This makes it difficult for both organisms and industry to transform N2 into useful chemicals. Nitrates from fertilisers are important contaminants in the eutrophication of water systems, and synthetically produced ammonia and nitrates are important industrial fertilisers.
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What will happen to the chocolate when exposed to heat Why do you think it happen?
Answers
When chocolate is heated, the cocoa butter crystals dissolve and it becomes liquid; however, if chocolate is heated to a high temperature, it can separate into charred, blackened cocoa particles and pale golden liquid.
When subjected to heat, what will happen to the chocolate?The texture, hardness, and gloss of chocolate are influenced by the way in which the various types of molecules are arranged within it. Chocolate melts into a liquid when heated because thermal energy disturbs the substance's ordered crystalline structure.
Why does heated chocolate separate?Similar to how melted butter separates into fats and milk proteins, cocoa butter, which melts between 93 and 101 degrees Fahrenheit/34 and 38 degrees Celsius, separates from the lipids and cocoa particles. The chocolate becomes grainy if it becomes too hot.
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a student needs to prepare a 1h nmr sample for an organic compound soluble in chloroform (chcl3) . the student cannot use chcl3 as the solvent for the sample, but rather uses deuterated chloroform (cdcl3) because:
Answers
A typical solvent for NMR spectroscopy of organic compounds is deuterated chloroform.
What is CDCl3?
Chloroform (CHCl3) is a derivative of CDCl3, in which the hydrogen atom ("H") is switched to the heavy hydrogen isotope deuterium ("D").
CDCl3 is used because of the following two reasons
In order to stabilise the magnetic field strength, contemporary NMR spectrometers evaluate the solvent's deuterium absorption. The deuterium receiver detects a field fluctuation through a change in the observation frequency and can adjust the field intensity accordingly because the observation frequency is field dependant.
Deuterated solvents are used in place of common 1H-containing solvents to prevent the massive solvent absorption that would otherwise ruin the 1H-NMR spectra because there is always a lot more solvent in the sample than substance of interest.
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