HELP ASTROMONY 20 POINTS AND BRAINLIEST

Answer:

Explanation:

bye answer is I don't know lol

Answer:

The 2 statements would be A and C.

Answer:A, organisms must be able to produce offspring that can also reproduce and D, organisms must have very similar DNA

Explanation: took the quiz and got it right a p e x

In a nucleophilic substitution reaction, a two-step mechanism involves first bond breakage to form a carbocation intermediate, followed by bond formation with the nucleophile.

In an SN1 reaction, the nucleophile attacks the substrate after the leaving group has departed, resulting in a two-step process. This reaction is generally favored by weak nucleophiles, as they are less likely to compete with the leaving group. On the other hand, an SN2 reaction involves a single concerted step in which the strong nucleophile directly attacks the substrate and the leaving group departs simultaneously. The higher concentration of a strong nucleophile increases the likelihood of an SN2 reaction. In summary, weak nucleophiles favor the SN1 mechanism, while strong nucleophiles in high concentration favor the SN2 mechanism for nucleophilic substitution
In a nucleophilic substitution reaction, a two-step mechanism involves first bond breakage to form a carbocation intermediate, followed by bond formation.

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Answer:

Mass = 36 g

Explanation:

Given data:

Mass of water formed = ?

Mass of hydrogen = 4.04 g

Mass of oxygen = 31.98 g

Solution:

Chemical equation:

2H₂ + O₂   →   2H₂O

Number of moles of hydrogen:

Number of moles = mass/molar mass

Number of moles = 4.04 g/ 2 g/mol

Number of moles = 2.02 mol

Number of moles of oxygen:

Number of moles = mass/molar mass

Number of moles = 31.98 g/ 32 g/mol

Number of moles = 1.0 mol

Now we will compare the moles of water with hydrogen and oxygen.

                O₂         :         H₂O

                 1           :           2

                H₂         :         H₂O

                 2          :          2

               2.02       :      2.02

Number of moles of water formed by oxygen are less thus oxygen will limiting reactant.

Mass of water:

Mass = number of moles × molar mass

Mass = 2 mol × 18 g/mol

Mass = 36 g

Changing the numbers of protons, neutrons, and electrons can have a significant impact on the net charge and mass number of an element.

In this exercise, there are three variables being manipulated. They are the numbers of protons, neutrons, and electrons. The symbol to represent each variable are:Protons - represented by the symbol P.Neutrons - represented by the symbol N.Electrons - represented by the symbol E.The number of protons is equal to the atomic number of an element, which is a unique identifier for that element. The number of neutrons and electrons can vary, which results in the creation of different isotopes of the same element. Isotopes are atoms of the same element that have different numbers of neutrons but the same number of protons.The net charge of an atom is determined by the difference between the number of protons and electrons. If there are more protons than electrons, the net charge is positive. If there are more electrons than protons, the net charge is negative. If the number of protons and electrons are the same, the net charge is neutral.The mass number of an atom is determined by the total number of protons and neutrons. Electrons have a negligible mass and are not included in the calculation of the mass number.

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Answer: Science : Chemistry, astronomy , biology , physics , biology ,geology. Notscience : Astrology and theology

Explanation: Astrology and theology are non scientific areas of study.

The correct answer is e. The net reaction that occurs in the cell involves the oxidation of copper (Cu) to form copper ions (Cu+), and the reduction of cadmium ions (Cd2+) to form cadmium metal (Cd). This is represented by the equation: 2Cu+ Cd2+ > 2Cu* + Cd.

In this reaction, Cu+ is the oxidizing agent, as it gains electrons and becomes reduced, while Cd2+ is the reducing agent, as it loses electrons and becomes oxidized. This reaction can be used to generate electrical energy in a cell, such as a battery. Overall, the net reaction involves the transfer of electrons from one species to another, resulting in the formation of a metal and an ion.

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First nations people along the west coast of British Columbia used smelting technology to create copper plaques is false.

Smelting process is the form of extractive metallurgy to produce a metal from its ore. it is the process of melting and separation of charges .  it is extensive energy process. Plaques are made by pouring molten metal in to a mold. and when it gets cools , it solidified into a copper solid plaque. first nation people use copper as hunting weapons, spear tools etc. copper is metal.

Thus, First nations people along the west coast of British Columbia used smelting technology to create copper plaques is false.

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Answer:

The Conservation area is the pay way to the special architectural and historic interest  these are special character.

Explanation:

Conservation area is the features of building and use that historical development to contribute to its special character material and style.

This means that log(n) is the slowest growing function, followed by n, then n*log(n), then \(n^2\), and finally n!.

If we have an increasing big-O order of the functions, this means that each subsequent function grows faster than the one before it. So we have:
\(log(n) < n < n*log(n) < n^2 < n!\)
This means that log(n) is the slowest growing function, followed by n, then n*log(n), then \(n^2\), and finally n!. Note that O(n!) is the largest function in this list, and it grows faster than any of the other functions listed. This is because the factorial function grows very quickly as n increases, even faster than exponential functions like \(2^n\) or \(10^n\). Therefore, n! is considered to be a very "expensive" function in terms of time and space complexity.

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The mass of AgBr produced from 22.5 L of AgNO₃ is 50.01 gram

Mass is a measure of the amount of matter in a substance or an object.

Here given reaction is stoichiometric

From the balanced equation for the reaction si

2AgNO₃ + MgBr₂ → 2AgBr + Mg(NO₃)₂

The mole ratio of AgNO₃ and AgBr is 2 : 1

Mole of 22.5 g AgNO₃ = 22.5/169.87

Mole of 22.5 g AgNO₃ = 0.1325 mole

Equivalent mole of AgBr = 0.265 mole

Mass of 0.265 mole AgBr = 0.265×188.77

Mass of 0.265 mole AgBr = 50.01 gram

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The option B is the correct answer, The average kinetic energy of the surrounding air particle increase.  

An object's kinetic energy is the energy it has as a result of its motion. It is defined as the amount of work required to accelerate a given mass body from rest to a given velocity. Unless the body's speed changes, the kinetic energy gained during acceleration is retained. Kinetic energy is the energy that a moving object has.. If we want to accelerate an object, we must apply force to it. Using force necessitates exerting effort. When the work is finished, energy is transferred to the object, and it moves at a new constant speed.

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Complete Question

Which statement describe what happen to the kinetic energy of the particle in the atmosphere a they come into contact with the meteoroid? A. The kinetic energy of the surrounding air particle is converted to electrical energy. B. The average kinetic energy of the surrounding air particle increase. C. The kinetic energy of the surrounding air particle is converted to potential energy. D. The average kinetic energy of the surrounding air particle decrease

AgI will form in addition to the existing AgCl.

The addition of ammonium chloride solution to the silver-containing solution results in the formation of AgCl due to the reaction between silver ions and chloride ions. The reaction is given as follows:

Ag⁺ + Cl⁻ → AgCl

Next, the addition of potassium iodide solution to the same solution results in the formation of AgI due to the reaction between silver ions and iodide ions. The reaction is given as follows:

Ag⁺ + I⁻ → AgI

Since both reactions involve the same reactant (Ag⁺), the formation of AgI will occur simultaneously with the dissolution of AgCl. However, the extent of the dissolution of AgCl will depend on the solubility product of AgCl and the concentration of Ag⁺ ions in solution.

If the concentration of Ag⁺ ions in solution is high enough to exceed the solubility product of AgCl, then AgCl will dissolve completely to form Ag⁺ ions and Cl⁻ ions. In this case, the formation of AgI will occur in addition to the existing Ag⁺ ions in solution.

If the concentration of Ag⁺ ions is not high enough to exceed the solubility product of AgCl, then the formation of AgI will accompany the dissolution of AgCl until the concentration of Ag⁺ ions is high enough to exceed the solubility product of AgCl.

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Answer:

Shift it to the right toward the products,

Explanation:

Adding more reactant will increase the concentration of the reactants, to offset this increased concentration, more products will be formed.

Group B is incorrect,They most likely added too much acid .

Let's check the reaction

\(\\ \tt\hookrightarrow HCl+NaOH=NaCl+H_2O\)

Per carbon, beta-oxidation of fatty acids produces approximately 6.63 times the number of ATP as oxidation of glucose.

Beta-oxidation is the process of breaking down fatty acids into acetyl-CoA, which is used in the citric acid cycle to produce ATP. In this process, each carbon in a fatty acid produces two molecules of acetyl-CoA. These molecules then go through the citric acid cycle, which produces ATP through oxidative phosphorylation. This process yields approximately 106 ATP molecules per 16-carbon fatty acid molecule.
On the other hand, glucose is a six-carbon molecule that undergoes glycolysis to produce two molecules of pyruvate. Pyruvate then enters the citric acid cycle to produce ATP through oxidative phosphorylation. This process yields approximately 38 ATP molecules per glucose molecule.
This is because the beta-oxidation process produces more acetyl-CoA molecules, which then enter the citric acid cycle to produce more ATP. However, it is important to note that the overall ATP yield from glucose is higher than from fatty acids due to the fact that glucose molecules have more carbons.

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Answer:

True

Explanation:

The entropy of a system denoted by S is a thermodynamic function that increases in value when there are more ways to arrange the particles in the system. Some spontaneous chemical processes are entropy driven. An increase in entropy is said to drive the dissolution of ionic salts along with the evaporation of water are related to the spreading out of energy.

The entropy of a system can be taken as a measure of disorder of a system. In a spontaneous chemical process, the entropy of the universe is said to increase. ΔSunivu>0. Making the answer true.

Explanation:

RFM=98g

1mol=6.022x10^23molecules

1mol=RFM

98g H2SO4=6.022x10^23molecules

24.0g H2SO4=?

24×6.022×10^23/98

=1.475×10^23 molecules

Answer:

0.694 cents per second

Explanation:

25x100=2500 cents per hour, 2500/60 = 41.67 per minute and 41.67/60=0.694 cents per second

(1a) 3-Chlorophenol is more acidic than cyclopentanol (chlorine atom electron-withdrawal). (1b) Cyclohexanecarboxylic acid is more acidic than cyclohexanol (stronger carboxylic acid group).

(2a) Propan-2-ol is more soluble in water than butan-1-ol and pentan-1-ol (hydrogen bonding ability). (2b) Cyclohexanol is more soluble in water than chlorocyclohexane (hydroxyl group enables hydrogen bonding).

Part 1: Comparing Acidic Strength

a) 3-chlorophenol is more acidic than cyclopentanol. This is because the presence of a chlorine atom in 3-chlorophenol can stabilize the negative charge on the phenoxide ion through inductive and resonance effects, making it more stable and easier to form.

b) Cyclohexanecarboxylic acid is more acidic than cyclohexanol. The carboxylic acid group (-COOH) is a stronger acid functional group compared to the hydroxyl group (-OH) present in cyclohexanol.

c) 2,2-dichlorobutan-1-ol is more acidic than butan-1-ol. The presence of the electron-withdrawing chlorine atoms in 2,2-dichlorobutan-1-ol enhances the acidity by stabilizing the negative charge on the alkoxide ion formed upon deprotonation.

d) Cyclohexanecarboxylic acid is more acidic than cyclohexanol. The carboxylic acid group (-COOH) is a stronger acid functional group compared to the hydroxyl group (-OH) present in cyclohexanol.

Part 2: Comparing Solubility in Water

a) Propan-2-ol is more soluble in water than butan-1-ol and pentan-1-ol. Propan-2-ol has a hydroxyl group (-OH) that can form hydrogen bonds with water molecules, increasing its solubility.

b) Cyclohexanol is more soluble in water than chlorocyclohexane. The presence of the hydroxyl group in cyclohexanol allows for hydrogen bonding with water molecules, enhancing its solubility. Chlorocyclohexane, on the other hand, is nonpolar and lacks the ability to form significant hydrogen bonds with water.

c) Cyclohexanol is more soluble in water than phenol and 4-methylcyclohexanol. Both cyclohexanol and phenol can form hydrogen bonds with water, but phenol's aromatic ring reduces its solubility. 4-methylcyclohexanol is also less soluble than cyclohexanol due to the steric hindrance from the methyl group, which disrupts hydrogen bonding.

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Answer:

45

Explanation:

1+4x1=5

2+5x2=12

3+6x3=21

5+8x5=45

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?

False. Using disinfectant chemicals can actually have a negative effect on the long term use of scissors and other sharp objects.

While disinfectants are great for killing germs and bacteria, they can also cause damage to the metal surfaces of scissors and other sharp objects, causing them to rust or corrode over time. This can ultimately lead to dull blades and a shorter lifespan for the tools. It's important to properly clean and disinfect scissors and other sharp objects, but it's equally important to be mindful of the chemicals used and to follow manufacturer's instructions for proper maintenance and care. To ensure the longevity of your scissors and other sharp objects, it's recommended to wipe them down with a mild disinfectant solution and to dry them thoroughly after each use. Additionally, storing them in a dry, clean place can also help to prevent damage.

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The vice president of the small company violated several professional code of ethics principles or clauses, including integrity, honesty, fairness, and avoiding conflicts of interest.

The actions of the vice president in agreeing to the state official's demand for a kickback violate several professional codes of ethics principles. First and foremost, the vice president breached the principle of integrity by engaging in bribery, which involves unethical and illegal activities. Bribery undermines fair competition and the principles of honesty and fairness in business transactions.

Moreover, the vice president failed to uphold the principle of honesty by participating in secret payments and engaging in deceptive practices to secure the work contract. Honesty requires transparency and truthfulness in all business dealings.

Furthermore, the vice president violated the principle of fairness by giving an unfair advantage to his company through illicit means. The kickback scheme distorts the competitive landscape and undermines the principles of fair competition and equal opportunity for all companies.

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Atomic radius decreases along a period and increases along a group so if a new element is to be added in periodic table it must have larger atomic radius in group and smaller atomic radius in period than their respective preceding elements.

Periodic table is a tabular arrangement of elements in the form of a table. In the periodic table, elements are arranged according to the modern periodic law which states that the properties of elements are a periodic function of their atomic numbers.

It is called as periodic because properties repeat after regular intervals of atomic numbers . It is a tabular arrangement consisting of seven horizontal rows called periods and eighteen vertical columns called groups.

Elements present in the same group have same number of valence electrons and hence have similar properties while elements present in the same period show gradual variation in properties due to addition of one electron for each successive element in a period.

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