Can someone plz help me with this because I do not understand it ASP

The arrangement of the particles in a substance affects its properties because the arrangement of the particles determines the interactions between the particles.

The arrangement of the particles affects the properties of a substance because the interactions between the particles determine the overall characteristics of the substance.

For example, if the particles in a substance are arranged in an orderly, crystalline structure, the inter-particle forces are strong, making the material harder and more rigid. On the other hand, if the particles are arranged in a disordered, amorphous structure, the inter-particle forces are weaker, making the material softer and more malleable.

The arrangement of the particles also affects the physical and chemical properties of the substance. If the particles are arranged in a crystalline structure, the substance will have a higher melting point, boiling point, and hardness than if the particles were arranged in an amorphous structure.

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Answer:

-heat and pressure is your answer

Both heat and pressure contributes to the change of igneous or sedimentary rock into metamorphic rock.

Explanation:

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Answer:

This formula contains 12 oxygen atoms.

Answer:

pressure= density × gravity × height

Explanation:

100 × 10 × 1.5= 1500 pa

Answer:

Energy is released because the temperature of the surroundings increases.

Explanation:

"Energy is released because the temperature of the surroundings increases" is true because when the temperature of the hot pack increases, that means that energy (heat/thermal) is being released.

"Energy is taken in because the temperature of the surroundings increases" is false because energy is actually being released in this chemical reaction.

"Energy is taken in because all chemical reactions take in energy" is false because energy is being released in this reaction and not all chemical reactions absorb energy.

"Energy is released because all chemical reactions release energy" is false because not all chemical reactions release energy.

In the experiment with boiling water and the experiment in which magnesium was added to hydrochloric acid both resulted in gas formation.

Hydrochloric acid and magnesium in a balanced chemical reaction

[tex]MgCl_{2}[/tex] + [tex]H_{2}[/tex] = Mg + 2HCl (g).

A gas is hydrogen . This reaction is exothermic (energy is released). New compounds are being produced due to chemical change.

Nothing new is created when water is heated to a boil. Heat is added in this endothermic reaction. Gas is steam. Both experiments a gas is released. One is a chemical change the other is a physical change. One is exothermic while other is endothermic.

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Answer: The chemical equation you have listed is nonane. However, I have inculded a screen shot that explains what each aswer option is so you can verify.

Explanation:

The mass of the pure aluminum that can be extracted from 655 g of aluminum oxide is equal to 346 g. Therefore, option (C) is correct.

A balanced equation in which the number of atoms of each element should be same on the both sides of the equation. From the law of conservation of mass, the total mass of the elements on the reactant side as well as the product side should be equal in a balanced chemical equation.

The balanced chemical equation of the decomposition of  aluminum oxide:

2Al₂O₃ (s)  →  4 Al (s)  + 3O₂ (g)

Given, the  mass of the  aluminum oxide = 655 g

The number of moles of aluminum oxide = 655/101.96 = 6.42 mol

2 moles of aluminum oxide form  aluminum = 4 mol

Then 6.42 mol aluminum oxide form aluminum = (4/2) ×6.42 = 12.85 mol

The mass of the aluminum can be extracted = 12.84 ×27 = 346.9 g

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At equivalence, the number of moles of methylamine and HCl are equal, and the pH of the solution is 4.76.

At equivalence, the number of moles of methylamine and HCl are equal, so we can use the equation:

n(CH3NH2) = n(HCl)

0.2108M * 110.0mL = 0.4152M * V

V = 52.4mL

Total volume of the solution: 110.0mL + 52.4mL = 162.4mL

We can use the Henderson-Hasselbalch equation to calculate the pH at equivalence:

pH = pKb + log([CH3NH2]/[HCl])

pH = 3.36 + log(0.2108M/(0.2108M + 0.4152M))

pH = 3.36 + log(0.2108M/(0.6259M))

pH = 3.36 + log(0.3389)

pH = 3.36 + (-0.4719)

pH = 4.76

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0.0080 grams are in 0.89 moles of CaCI₂.

The mole (M) is defined as it contain exactly 6.023 × 10²³ elementary entities present in it. 1 mole is exactly equal to the 6.023 × 10²³ elementary entities.

We can solve the above problem as follows;

So,

1 Mole of substance = Molar mass of the substance.

The given compound named is Calcium Chloride.

Then,

Molar mass of Calcium chloride = 1 mole

Molar mass of CaCl₂ = 40 + 2 × 35.4

= 110.9g/mol

Therefore,

110.9 grams of CaCl₂ = 1 mole

1 gram of CaCl₂ = 1 / 110.9

0.89 grams of CaCl₂

= 1 / 110 ×  0.89

= 0.0080 grams

Thus, 0.0080 grams are in 0.89 moles of CaCI₂.

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Answer:

Cells are extremely small.

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Answer: aerodynamic force

Explanation:

The time-varying aerodynamic force causes the ball to move erratically. This motion is the source of the "dancing" knuckleball that confuses both batters and catchers alike.

Answer: Aufbau Principle

Explanation:

Aufbau Principle - states that lower energy orbits must be completely filled before moving onto a higher energy level

Hund's Rule - pairing rule; all boxes in the level must be given one arrow before adding a second arrow

Pauli Exclusion Principle - each box must contain two arrows pointing in different directions

This question doesn't completely fill the 1s level before moving onto the next 2s level. Therefore, the digram violates the Aufbau Principle.

The limiting reactant is O2.

To determine the limiting reactant, we need to compare the number of moles of each reactant present.

First, we convert the given masses of phosphorus and oxygen to moles:

25.0 g of P4 = 25.0 g / (123.8 g/mol) = 0.202 mol

50.0 g of O2 = 50.0 g / (32.00 g/mol) = 1.5625 mol

Next, we use the balanced equation for the reaction to determine the stoichiometry of each reactant:

P4 + 5O2 → P4O10

From the equation, we can see that for every one mole of P4, 5 moles of O2 are required.

We can then compare the number of moles of each reactant present:

0.202 mol P4 / 1 mol P4 = 0.202

1.5625 mol O2 / 5 mol O2 = 0.3125

We can see that the number of moles of O2 is less than the number of moles of P4 required by the reaction, so the limiting reactant is O2.

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The protein concentration is higher than that of interstitial fluid. The intracellular fluid (ICF) is the fluid inside cells, and is composed of water, electrolytes, and organic molecules.

The intracellular fluid (ICF) is the fluid inside cells, and is composed of water, electrolytes, and organic molecules. Common properties of ICF include high concentrations of potassium ions and low concentrations of chloride ions compared to interstitial fluid. The protein concentration of ICF is lower than that of interstitial fluid.

The protein concentration is higher than that of interstitial fluid.

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Option (c) is correct. K atom has the largest radius as the atomic size decreases from across the period and potassium is located in the start of period 3  in the periodic table.

According to the Periodic table, atomic size decreases when going from left to right across a period. Atomic size increases when going from top to bottom down a group. If you look at elements that are located in the same group, potassium will have a larger atomic radius when compared with sodium and  chlorine. Since potassium is located at the start of period 3, potassium will have a larger atomic radius and thus the largest atomic radius of the four given atoms. Atomic radii vary in a predictable way across the periodic table. From top to bottom in a group, orbitals corresponding to higher values of the principal quantum number (n) are being added, which are on average further away from the nucleus, thus causing the size of the atom to increase.

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Answer:

B

Explanation:

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Answer:

A.) The change in enthalpy when 1 mol of a gaseous ion becomes fully hydrated

Explanation:

Got it right on edge

The metallic qualities drop and the non-metal characteristics rise as we progress from left to right, which results in a decrease inside the reactivity of such elements.

Metal reactivity is influenced by their propensity to lose electrons. The valence electrons could be simply eliminated as the atomic size grows, resulting in the formation of positive ions. As we proceed down the periodic table, the atomic size of metals gets bigger. The propensity to acquire electrons determines how reactive non-metals are.

Metal fosters strong down groups and declines across intervals from left to right. Indicators of nonmetallic properties rise from left to right and fall down groupings. Nonmetal reactivity goes up groups as well as down groups, increasing from left to right.

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Answer:

A climograph is a graphical representation of the climate of a particular location over a period of time. It typically shows the average temperature and precipitation for a specific location over the course of a year, with the temperature plotted on the y-axis and the months of the year plotted on the x-axis.

The primary function of a climograph is to provide a visual representation of the climate of a particular location, which can be useful for understanding the weather patterns and temperature ranges that are typical for that location. Climographs can also be useful for comparing the climate of different locations, as they provide a convenient way to see how temperature and precipitation patterns differ from one place to another.

D. a) propanoyl chloride with (1) AlCl3 and (2) H2O b) Br2 / heat or light.

What is a reagent?

A reagent is a substance that is used in a chemical reaction to detect, measure, examine, or produce other substances. Reagents are used in many different industries, including pharmaceuticals, environmental testing, and materials science. Reagents can be in the form of a solid, liquid, or gas, and are generally made from a combination of elements, compounds, or mixtures.

a) The reaction of propanoyl chloride with AlCl3 and H2O can be represented as follows:

AlCl3 + H2O + Propanoyl Chloride → Al(OH)3 + HCl + Propanoic Acid

This reaction involves substitution of the chlorine atom in the propanoyl chloride molecule with a hydroxide ion from the AlCl3/H2O mixture.

b) Br2 / heat or light cannot be used to react with propanoyl chloride, as this reaction would require the breaking of the carbon-chlorine bond. This is not possible using Br2 / heat or light.

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Dissolve NaOH into the Solution will - Increased E

Increase the temperature - Increased E

Increase the amount of [tex]PbCl_{2}[/tex] - No change in E

Dilute the solution by adding [tex]H_{2}O[/tex] - Increased E              

E= Voltage or the electromotive force generated in the cell

Dissolving NaOH will increase the conductivity and number of ions in the cell and Increases E .  Adding water also increases the presence of hydrogen and hydroxide ions in the solution and Increases E.

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The evidence for Darwin's theory of evolution is the consistency of the sequence of fossils from early to recent.

Changing populations and species of organisms are at the heart of biological evolution. The British naturalist Charles Darwin is most likely the first individual that comes to mind today when we discuss evolution. The biological evolution via natural selection theory was put out by British biologist Charles Darwin. Darwin believed that species change over time, give rise to new species, and descended from a single ancestor through the process of evolution. Charles Darwin's theory of evolution is known as natural selection. Animals with heritable qualities that aid in survival and reproduction will often generate more offspring than their contemporaries due to the limited resources in nature, increasing the frequency of such traits through subsequent generations.Populations change throughout time through natural selection, becoming increasingly adapted to their surroundings. Natural selection is reliant on the environment and necessitates the presence of heritable variation within a population.

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Given :

Temperature in Celsius is 20 degree.

To Find :

The value of same temperature in Fahrenheit.

Solution :

It is given that temperature in Fahrenheit can be found by :

[tex]F = \dfrac{9}{5}C + 32[/tex]

Putting value of C = 20 in above equation, we get :

[tex]F = \dfrac{9}{5}\times 20 + 32\\\\F = 68 \ F[/tex]

Therefore, the value in Fahrenheit is 68 F .

Using a method known as water displacement, gases created during laboratory experiments are frequently collected. To obtain the accurate value of the gas's pressure .

The vapor pressure caused by water in a sample can be compensated for. The gas is not pure since it is combined with water vapor from evaporating water because it is gathered above water. By deducting the contribution of the water vapor, one may apply Dalton's law to determine how much of the desired gas is present: P total equals Pg plus PH 2O. The required gas's pressure is P g. Pg = P Total + P H 2 O List the known quantities and make a plan for the issue. pressure in the atmosphere. A water pan is filled with a bottle that has been turned upside down and filled with water. Rubber tubing that is attached to the reaction flask and supplied underneath the water bottle.

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Answer:

chemical change

Explanation:

Ash is formed as result of burning of paper which is a new product. Chemical change a new substance must form.

Answer: chemical change

Explanation: A chemical change is irreversible and also leads to the formation of a new substance. Burning paper leads to the formation of Ash. And a burnt paper can't be made to return to it's original form.

The periodic repetition of properties of elements is due to the regular arrangement of electrons in the atoms of those elements. This regular arrangement is known as the "periodic table" of elements. This is due to the behavior of electrons in atoms and the increasing number of valence electrons as atomic number increases, resulting in a regular pattern of electron configurations and properties.

Elements are arranged in the periodic table according to increasing atomic number. Elements in the same vertical row (group) have similar chemical and physical properties, and elements in the same horizontal row (period) have similar electronic configurations of their atoms.

The reason for this repeating periodic property is the behavior of the electrons in the atoms. As the atomic number increases, the number of protons in the nucleus increases, and the number of electrons in the atom increases. These electrons occupy different energy levels or shells around the atomic nucleus. The outermost shell electrons, the so-called valence electrons, are responsible for the chemical behavior of atoms and participate in chemical bonds. As the atomic number increases, the number of valence electrons in the atom increases. This results in a regular pattern of electron configurations and thus a regular pattern of properties.

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