PREDICT Why do you think the properties of rock change as
temperature and pressure increase? How might this be related to
interactions at the particle level?

The pressure of the gas after it is heated is 3 atm.

Strain is the pressure applied perpendicular to the floor of an object in step with the unit area over which that force is sent. Gauge pressure is the stress relative to ambient stress. various gadgets are used for specific stress.

Stress is described as the pressure of all of the gasoline particle/wall collisions divided by using the vicinity of the wall: All gases exert stress; it is one of the fundamental measurable quantities of this segment of relying on.

Stress is the bodily quantity of pressure that unfolds over a certain region. In different words, strain is a force in line with unit location. in case you take the amount of pressure being carried out on a frame, and divide it by the region of contact, you'll arrive at the pressure being carried out on the frame.

PV = nRT

P₁ = 0.75atm

T₁ = 100K

T₂ = 400K

V,n, and R is constant

P₁/T₁ = P₂/T₂

P₂ = P₁/T₁ × T₂

     = 0.75atm / 100K × 400K

  Pressure   = 3 atm.

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energy flows through this system of interacting parts

Wind → Turbine → Generator → electricity

Kinetic energy is the energy an object has because of its motion.  force must be applied to it. To apply a force, we must exert effort. Energy is transmitted to the object after work is accomplished, which causes it to move at a new, constant pace

Energy flows to the system -  by moving a shaft which is connected to a generator, and thereby producing electrical energy through electromagnetism.

Energy enters system - The blades are connected to a drive shaft that turns an electric generator, which produces (generates) electricity.

Energy Charges - produced (generated) electricity runs through sytem

and stored in battery.

Energy leaves system - energy leaves the system, its sign is negative.

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Answer:

(b) The trampoline pushes back with equal force but in the opposite direction

Explanation:

Newton's third law states that when an object applies a force upon another object, the second object applies a force of equal magnitude but opposite direction upon the first object.

Answer:

(Question) When someone jumps down on a trampoline, that person is propelled upwards. Choose the best statement describing how this demonstrates Newton’s third law.

(Answer) The trampoline pushes back with equal force but in the opposite direction.

(Question) When inflating a balloon, which of the following represents an equal but opposite force acting on the balloon?

(Answer) the expansion of the balloon

(Question)  A force of 30 N to the right is applied to an object. An opposite force of 20 N to the left is applied to the same object. What is the net force applied to the object?

(Answer)  10N to the right

(Question)  Two objects with the same mass have the same force applied to them. What can be said of their acceleration?

(Answer)  Their acceleration will be the same.

(Question)  What do force diagrams show?

(Answer)  the magnitude and direction of forces acting on an object

Explanation:

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No : Copper burns in a flame emitting bright white sparks.

Copper burns in flame emitting blue - green color. When we burn copper , we provide heat and the atomic level we are providing energy to the electrons gets excited to the higher energy level. that is excited state and we know that excited is state is unstable , the electron will return to its lower energy state from higher energy state after sometime. the energy is released in this process in the form of photon of specific wavelength emit color. The wavelength that copper emitted is the blue - green color.

Thus, No : Copper burns in a flame emitting bright white sparks.

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Fe2O3 is the empirical formula of the oxide when 0.424 g of iron powder is burned in an oxygen atmosphere, 0.606 g of a reddish brown oxide is obtained.

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Answer:

the blanket let's him slide it across the floor because the has less friction with the floor than the furniture.

Answer:

Blanket underneath the furniture may reduce the kinetic friction

Explanation:

When sliding an object across a surface, the force of kinetic friction will oppose the movement of the object.

By placing a blanket between the object and the surface, the kinetic friction coefficient may be reduced.

Therefore, putting a blanket underneath the furniture may reduce the kinetic friction coefficient, then making it easier to slide the forniture.

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E1  mechanism can better account for the product mixture obtained from the dehydration of cis- and trans-4-methylcyclohexanol.

The reaction for the dehydration of cis-4-methylcyclohexanol is depicted as follows: (image 1)

In the above reaction, cis-4-methylcyclohexanol reacts with sulfuric acid and produces (S)-4-methylcyclohex-1-ene and (R)-4-methylcyclohex-1-ene.

Mechanism (image 2)

In the above reaction, the lone pair of the oxygen atom of cis-4-methylcyclohexanol accepts a proton from sulfuric acid. After that, carbocation is generated after the removal of water. Then, the hydrogen sulfate ion accepts the hydrogen and produces two alkene products. The products are (S)- 4-methylcyclohex-1-ene and (R)-4-methylcyclohex-1-ene. The above mechanism proceeds through the E1 mechanism.

Hence, the product mixture is obtained from cis-4-methylcyclohexanol through E1 mechanism.

b) The reaction for the dehydration of trans-4-methylcyclohexanol can be summarised as follows: (image 3) In such a reaction, trans-4-methylcyclohexanol reacts with sulfuric acid and produces (R)- 4-methylcyclohex-1-ene and (S)-4-methylcyclohex-1-ene.

The above mechanism shows that the lone pair of the oxygen atom of trans-4-methylcyclohexanol accepts a proton from sulfuric acid. Then, carbocation is generated after the removal of water. After that, hydrogen sulfate ion accepts the hydrogen and produces two alkene products. The products are (R)- 4-methylcyclohex-1-ene and (S)-4-methylcyclohex-1-ene. The mechanism proceeds through the E1 mechanism.

Hence, the product mixture is obtained from trans-4-methylcyclohexanol through E1 mechanism.

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The lewis dot diagram for the given element *X* is of Calcium element where two unpaired electrons are present.

Since calcium has an atomic number of 20 and argon, a noble gas, has an atomic number of 18, calcium is included in the second column of the periodic table.

Since we are discussing the 2⁺ cation, it has already experienced two electron losses. We can tell because every electron has a charge of 1, therefore losing a charge of 1 is equivalent to acquiring a charge of 1.

Additionally, neutral Ca initially had two electrons because it is on the second column or group. Ca₂⁺ has no valence electrons since 2 -2=0.

Drawing the Lewis structure is therefore not too difficult; all you need to do is write Ca and note that it has a 2+ charge.

So, the given element is Calcium.

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The the average atomic mass of the elements is 12.01, one has a mass of 13.00 amu and is 1.07% abundant. The second has a mass of 12.00 amu and is 98.93% abundant.

The distribution of the chemical elements in relation to all other elements in a given environment is gauged by their abundance. Amount can be determined in one of three ways: by mass-fraction (the same as weight-fraction), by mole-fraction (fraction of atoms by numerical count, or occasionally fraction of molecules in gases), or by volume-fraction.

For gas mixtures at relatively low densities and pressures, such as those found in planetary atmospheres, volume-fraction is a common abundance measure. It has a similar significance to molecular mole-fraction for ideal gas mixtures. The majority of abundant values are presented in this article as mass-fractions.

To calculate the average atomic weight, each isotopic atomic weight is multiplied by its percent abundance, and then added to find the average atomic mass that is

Amu[tex]_{avr}[/tex] = (13.00)(1.07%) + (12.00)(98.93%)

            = (13.00)(0.0107) + (12.00)(0.9893)

            = 12.0107 amu

            = 12.01 amu

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The product of this reaction can be maximized by;

1) Heating the system

2) Removal of some of the products of the reaction.

We know that a reaction is propelled in the forward or the reverse direction by the use of certain methods that see to it that the reaction moves in the forward or the reverse direction.

In this case, we can see that it is an endothermic reaction thus if we heat the system, then the reaction would be driven forward. If we remove some of the product, then the equilibrium would be driven to the right hand side.

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Conservation laws apply to nuclear reactions as well, and they are balanced in two ways: The mass numbers of the reactants added together are equal to the mass numbers of the products added together.

Nuclear reactions can involve a wide variety of entities. The most prevalent particles are protons, neutrons, alpha and beta particles, positrons, and gamma rays.

The components of atomic nuclei are protons (also known as [tex]p_1^1[/tex] and [tex]H_1^1[/tex]) and neutrons (also known as [tex]_1n^0[/tex]), and they have already been discussed. High-energy helium nuclei are known as alpha particles ([tex]4 _He^2[/tex], usually written as [tex]_4\alpha^2[/tex] ).

Gamma rays are photons of extremely high-energy electromagnetic radiation, while beta particles (also known as  0e1 particles) are high-energy electrons. Positrons, commonly known as "anti-electrons," are positively charged electrons (sometimes denoted by the sign 0[tex]\alpha[/tex]+ 1 ). The balancing of nuclear equations requires the use of subscripts and superscripts.

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The bright line spectra is a physical property of an element because it occurs in the physical appearance of an element.

A bright line spectrum is formed when a light beam passes through an analyte sample where some wavelengths of the light are absorbed by the atoms present in the sample which leads to attaining the excited state of the electrons in those atoms. As the excited electron returns to the ground state, the energy that was absorbed is released in the form of discrete lines of light. Spectral lines are formed by the transitions of electrons within atoms. As the electrons move closer to the nucleus or farther from the nucleus of an atom, energy in the form of light is emitted or absorbed. A continuous spectrum comprises lights of all wavelengths within a certain range whereas a line spectrum only consists of a few wavelengths.

So we can conclude that due to the occurrence in the physical appearance of an element, the bright line spectra are considered as a physical property of an element.

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The 2 dyes only interact to the same extent with the solvent, they may not be the same dye.

We know that chromatography is the process by which we are able to separate two or more substances. In the process of thin layer chromatography, the stationary phase which is always an adsorbent coated surface is spotted with the mixture that is to be separated and added to a solvent. The extent to which the mixture dies interact with the solvent is what determines the Rf of the system.

The Rf is the degree to which each of the components of the solute are moved with respect to the pure solvent front. When two compounds have the same Rf, it means that the two components are able to interact with the solvent to the same extent.

Note that the fact that the components of the mixture interact with the solvent to the same extent does not necessarily means that they are the same compound.

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The main difference between a recipe for baking a cake and a chemical reaction is that baking a cake is a chemical change whereas a chemical reaction may be a chemical and physical change.

The similarities between a recipe for baking a cake and a chemical reaction is that the molecules react with each other and in both new substances are formed at the end.

When you bake a cake, the ingredients pass through a chemical change. A chemical change occurs when the molecules are rearranged to form a new substance. When you start baking, you have many ingredients. Baking a cake is a chemical change because the ingredients rearrange to form a new substance which is not reversed. The sugar, flour, and eggs can't be separated from each other. The properties of the materials have changed so it is considered as a chemical change.

So we can conclude that baking a cake and a chemical reaction is different due to the presence of chemical change whereas chemical reactions have both chemical and physical change. The similarity between a recipe for baking a cake and a chemical reaction is that in both new substances are formed at the end.

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Answer:

No

Explanation:

This would not be a satisfactory alternative because the weight of beakers vary greatly. One beaker may be a whole gram or five grams heavier than the other, even if they are both 100 ml beakers. So, if the weight of another 100ml beaker was used, an amount that is probably not 2 grams would be measured.

Answer:

Yes, if the 100 mL beaker in question is an exact copy and the same product. However, different manufacturers will use different materials, models, etc which may all lead to variation in measurements among 100 mL beakers.

Formation of ES from E+P is a step that was negligible by Michaelis and Menten in an enzyme-catalyzed reaction.

Enzyme-catalyzed reaction:

The enzyme-substrate complex formation is in equilibrium with the enzyme and substrate; the decomposition of the complex into the product is the rate-limiting step, so the rate is proportional to both substrate and enzyme as long as the equilibrium can be shifted by either species.

The step that was negligible by Michaelis and Menten is:

Formation of ES

E + S ---------> ES --------> E + P

E = enzyme concentration

S = substrate concentration

P = product concentration

Therefore the formation of ES from E + P is negligible by Michaelis and Menten.

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Answer:

Because something at absolute zero would have no kinetic energy, and atoms can never stop vibrating.

Explanation:

If something were to reach absolute zero, that means that the particles would reach a position were we are able to detect precisely their velocity and position in the atom.

This cannot be possible because it would violate Heisenberg's Uncertainty Principle, which in brief states that we can measure the velocity of electron but we would be uncertain about the position and vice versa. We cannot predict both velocity and position accurately.

The correct answer is option A: mass number

All of these factors affect the effective nuclear charge except mass number.

In physics, an atom has a dense positive-charged nucleus that exerts a definite amount of force on the electrons.

In a multi-electron atom, electrons move around the nucleus and experience a force that attracts them toward the center of the atom.

Outermost electrons are attracted by the positively charged nucleus however, the electron in the internal orbits exert an equal amount of force that negates the force of attraction of the nucleus.

There are many factors that affect the nuclear charge including electrons charge, charge on the nucleus, the distance between the nucleus and electrons, and the kind of orbital occupied by the electron.

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The entire energy of all internal molecular motion makes up an object's heat.The thermal energy or average heat of the molecules in a substance is measured by temperature.It is a measurement of the quantity of atoms times the energy that each atom possesses.

How do heat and temperature relate to one another?

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Answer:

Earth casts a much larger shadow on the Moon during a lunar eclipse than the Moon casts on Earth during a solar eclipse

Explanation:

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I have 5 quibs = 7 sleps. Option D.

Most denominations accept baptisms performed by another denomination. In most cases baptism must have been in the name of water and the Trinity. Such converts are usually received through formal ceremonies. This usually includes denominational communion and sometimes confirmation as well.

Transformation is a process, not an event. Conversion is the result of righteous efforts to follow the Savior. These efforts include exercising faith in Jesus Christ repenting of our sins being baptized receiving the gift of the Holy Ghost, and enduring in faith to the end. A company's transformation process includes activities related to transforming resources into goods and services.

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(CH3)2CHCN compound would be expected to show intense IR absorption at 2250 cm⁻¹.

The intensity of IR vibration will be directly proportional to the magnitude of change in dipole moment during the molecular vibration.

Here, it is given that IR absorption is at 2250 cm⁻¹. This is typical vibration for C-N stretch, hence the compound will have -C-N group. Hence, the correct answer will be (CH3)2CHCN.

➤ In general, the interaction between the IR electric field vector and the molecular dipole transition moments associated with the molecular vibrations is what causes IR absorption. When the electric field vector and the dipole transition moment are parallel to one another, absorption is at its highest level.

By analyzing characteristic absorbances and comparing them to spectral libraries, one can use the IR spectrum of an organic compound to determine unknowns. Due to its sensitivity and selectivity, IR spectroscopy is also utilized in quantitative techniques.

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The following bonds in order of increasing ionic character is

O - Cl < S - Cl < Se - Cl

The difference in the electronegativity of two atoms that are covalently bound is referred to as the ionic character.

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The percent mass of MgCl₂ in the mixture is 47.54%; option A.

The moles of chloride ion present in the original solid sample containing MgCl₂ is determined as follows:

Mass of AgCl precipitate = 1.032 g

Moles of AgCl = mass / molar mass

The molar mass of AgCl = 143.5 g/mol

Moles of AgCl = 1.032 / 143.5

Moles of AgCl = 0.00719 moles

Moles of Cl⁻ ions = 0.00719 moles

Moles of Cl⁻ ions in 1 mole MgCl₂ = 2 moles

Hence moles of MgCl in the solid sample = 0.00719 / 2 = 0.003595 moles

Mass of MgCl₂ in the sample = moles * molar mass

Molar mass of MgCl₂ = 95 g/mol

Mass of MgCl₂ = 0.003595 * 95

Mass of MgCl₂ = 0.3415 g

Percent mass of MgCl₂ in the sample = (0.3415 / 0.7209) * 100 %

Percent mass of MgCl₂ in the sample = 47.4%

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Answer:

most of them form coloured compound

Answer:

NaOH + HCl ---> NaCl + H₂O

Explanation:

Based on its pH value, vinegar contains 1000 times as many H⁺ ions as pure water.

The pH value of a solution is a negative decimal logarithm of its concentration of H⁺ (or H₃O⁺, hydronium ions). This means that the concentration of H⁺ ions in vinegar is 1 * 10⁻⁴ M, while in water it is equal to 1 * 10⁻⁷ M.

Obviously, the concentration is higher in vinegar, and to calculate just how many times higher, we divide it by the concentration in water:

1 * 10⁻⁴ M / 1 * 10⁻⁷ M = 1 * 10³

1 * 10³ = 1000

So, the concentration of H⁺ is 1000 times higher in vinegar than it is in water.

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Answer:

Because the atom can only absorb specific amounts of energy

Explanation:

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