What intermolecular forces are present between two molecules of CH₃CF₃?
B) dispersion and dipole-dipole

Answer:

As this sheet of water moves on and off the beach, it can “capture” and transport beach sediment back out to sea. This process, known as “longshore drift,” can cause significant beach erosion.

Answer: 4.12

Explanation:

we know that the given mol is 8.23 mol and they are 2NaI and I2 so we will write the equation like this.

8.23mol NaI x 1mol of I2 ÷ 2molNaI = 4.115≅ 4.12 mol of I2

we placed NaI at the bottom to cancel out with the 8.23 mol of NaI

Answer:

32.567+135.0+1.4567=169.027

to significant figures is 16

Entropy of the environment and the system (ethanol and oxygen being burned) both rise during the flambeating process. The second law of thermodynamics is in agreement with this increase in entropy.

When a combustion reaction takes place, the system's entropy always goes up. Combustion processes must be spontaneous because of the interaction between an increase in entropy and a decrease in energy.

A fire is exothermic, which means that it loses energy as heat is released into the surrounding space. As the bulk of a fire's byproducts are gases, such as carbon dioxide and water vapour, the system's entropy increases during the majority of combustion episodes.

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In the Lewis structure of methanol (CH3OH), the OH group is placed on the outside because it is an important functional group that influences the chemical properties and reactivity of the molecule.

The Lewis structure is a representation of a molecule that shows the arrangement of atoms and valence electrons. In methanol, carbon (C) is the central atom bonded to three hydrogen (H) atoms and one oxygen (O) atom. The oxygen atom forms a single bond with carbon and also has two lone pairs of electrons.

The placement of the OH group (hydroxyl group) on the outside of the Lewis structure is significant because it determines the chemical behavior of methanol. The OH group consists of an oxygen atom bonded to a hydrogen atom and represents the presence of an alcohol functional group.

In organic chemistry, functional groups are specific arrangements of atoms within a molecule that give rise to characteristic chemical reactions and properties. The presence and position of functional groups can greatly influence the behavior and reactivity of a compound. In the case of methanol, the hydroxyl group provides the molecule with its characteristic properties.

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Peanut butter is a homogenous mixture, because it is made up of many ingredients Therefore, option C is correct.

A mixture is called as homogenous if its constitution is constant throughout. Because the dissolved salt is uniformly spread across the whole salt water sample, the salt water depicted above is homogenous.

Most commonly, homogenous refers to having the same pieces or components throughout. A homogenous mixture has a consistent feature or attribute throughout.

The term "homogenous" can also refer to a group of items that are fundamentally the same or of the same sort.

It is homogenous because it consists of many components adding sugar, salt, vegetable oil, and roasted peanuts.

Thus, option C is correct.

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Answer:

I believe the answer is all amoeba come from other amoeba

The structures can be ordered from least to greatest photosynthesis as Stem and Roots, Leaves, Mesophyll Cells, and Chloroplasts.

When considering the efficiency of photosynthesis, the structures can be ordered from least to greatest photosynthesis as follows:

1. Stem and Roots: While stems and roots play vital roles in plant support, nutrient uptake, and water transport, they are not directly involved in photosynthesis. As a result, they have minimal to no contribution to photosynthesis.

2. Leaves: Leaves are the primary photosynthetic organs of plants. They contain specialized cells called chloroplasts, which house the pigment chlorophyll responsible for capturing light energy. Leaves are well-adapted for photosynthesis, with a large surface area and a network of veins that transport water, minerals, and sugars.

3. Mesophyll Cells: Within the leaves, mesophyll cells are the specific site of photosynthesis. These cells contain abundant chloroplasts and are responsible for the majority of photosynthetic activity. Mesophyll cells are divided into two types: palisade mesophyll cells, which are densely packed and located towards the upper leaf surface, and spongy mesophyll cells, which are more loosely arranged and found beneath the palisade layer.

4. Chloroplasts: Chloroplasts are the organelles where photosynthesis occurs. These structures are present within the mesophyll cells of leaves. Chloroplasts house the pigments and enzymes necessary for capturing light energy, converting carbon dioxide and water into glucose, and releasing oxygen as a byproduct.

It is important to note that while the structures listed above demonstrate varying degrees of photosynthetic activity, all of them are involved in the process to some extent, with leaves and their mesophyll cells being the primary sites of photosynthesis in plants.

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A Keq value of 29 suggests that the products are strongly favored over the reactants at equilibrium, and the ratio of the concentration of products to the concentration of reactants is 29:1.

The equilibrium constant, Keq, for a chemical reaction is a measure of the relative concentrations of products and reactants at equilibrium. If the value of Keq for a reaction is greater than 1, it indicates that the products are favored at equilibrium, and if Keq is less than 1, it indicates that the reactants are favored. In the case of a Keq of 29, it suggests that the products are significantly favored over the reactants at equilibrium.

More specifically, the Keq value indicates the ratio of the concentration of products to the concentration of reactants at equilibrium. A Keq of 29 indicates that the concentration of products is 29 times greater than the concentration of reactants at equilibrium. This suggests that the reaction strongly favors the formation of products, and the equilibrium is shifted towards the products side.

It is important to note that the value of Keq is temperature-dependent and can change with changes in temperature. A decrease in temperature can cause the equilibrium to shift towards the reactants, while an increase in temperature can shift it towards the products. However, at any given temperature, a Keq value greater than 1 indicates that the reaction is proceeding towards the products side, and a Keq value less than 1 indicates that it is proceeding towards the reactants side.

In summary, a Keq value of 29 suggests that the products are strongly favored over the reactants at equilibrium, and the ratio of the concentration of products to the concentration of reactants is 29:1.

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The concentration of [H3O+] in the solution is approximately 3.16 x 10^(-5) mol/L or M (molar)

The pH of a solution is the degree of measurement of hydronium ions, [H3O+], in the solution. The pH scale is logarithmic, hence the formula applicable here is:

pH = -log[H3O+]

To find the concentration of [H3O+], we have:

[H3O+] = 10^(-pH)

Substituting the given pH value of 4.52 into the equation, we are able to calculate the concentration of hydronium ions:

[H3O+] = 10^(-4.52)

[H3O+] ≈ 3.16 x 10^(-5) mol/L

Therefore, the concentration of [H3O+] ions in the solution is about 3.16x 10^(-5) mol/L or M (molar).

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Answer:

See explanation

Explanation:

Both BCl3 and BH3 are electron deficient compounds. In these compounds, boron has six instead of eight electrons surrounding it's outermost shell.

BH3 is able to form a dimmer because of the small size of hydrogen atoms which enable them to be fitted between boron atoms. Large size chlorine atoms can not be fitted between boron atoms hence B2Cl6 does not exist.

Answer:

i have done this before

Explanation:

the bag just starts shrinking after sparkling a little bit

Answer:

a. pH = 2 b. pH = 3 c. pH = 1 d. Unanswerable

Explanation:

pH = -log[H+] OR pH = -log{H3O+]

                    and inversely

pOH = -log[OH-]

1. Determine what substance you are working with, (acid/base)

2. Determine whether or not that acid or base is strong or weak.

a. 1.0 x 10^-2M HCl

HCl is a strong acid, therefore it will dissociate completely into H+ and Cl- with all ions going to the H+, therefore, the concentration of HCl and concentration of H+ are going to be equal, meaning we simply take the negative logarithm of the concentration of HCl and that would equal pH

pH = -log[H+]

pH = -log(1.0x10^-2)

pH = 2

b. 1.0 x 10^-3M HNO3

HNO3 like part a, is a strong acid, therefore it would simply require you to take the negative logarithm of the concentration of the compound itself, to find its pH.

pH = -log[H+]

pH = -log(1.0 x 10^-3)

pH = 3

c. 1.0 x 10^-1M HI

Like the previous parts, HI is a strong acid

pH = -log[H+]

pH = -log(0.10)

pH = 1

d. HB isn't an element, nor is it a compound so that would be unanswerable.

NH3

Why are you using brainly for this simple question? Search history being checked?

Answer:

\(NH_{3}\)

Explanation:

Structure and Formula of Ammonia

Its chemical formula is NH3 and the molar mass is 17.03 g/mol. It is a compound of hydrogen and nitrogen.

Taking into account the direction the meter points will be from left to right, the copper (||) ions are being reduced and Zn is being oxidized in the zinc and copper galvanic cell.

The direction of the flow of elections will be indicated by the direction of the needle, which will move from left to right. At this point, oxidation takes place at the Zn electrode, resulting in the release of e-, whilst the reduction of Cu+2 ion takes place at the Cu electrode, leading to the movement of electrons from left to right.

The correct answer is that the copper (||) ions are being reduced while the zinc ions are being oxidized.

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Answer:

dicot

Explanation:

I looked it up lmoooo

Answer:

with there wings

Explanation:

birds have wings that flap up and down when they fly and this process repeats over and over

Answer:

2,200 mL I believe it is.

Answer:

2,200 is the answer of your question

Answer:

3.47 mol MnSO4

Explanation:

54.94 + 32.07 + (16 × 4) = 151.01g/mol MnSO4

542.32g / 151.01g/mol = 3.47 mol MnSO4

This suggests that the unknown starting material is likely an organic compound containing a carboxylic acid functional group.

Compound is a combination of two or more elements which are chemically bonded together. Compounds can exist in both organic and inorganic forms, and are formed when atoms of different elements combine to form molecules. Inorganic compounds are generally composed of metal and non-metal elements, while organic compounds are composed of only carbon and hydrogen atoms. Compounds can also be classified according to their physical state, such as solid, liquid, or gas. Compounds are important in many areas of science, such as chemistry, physics, and biology, and play an essential role in the production of many products, including medicines, plastics, and fuels.

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Answer:

CaKr Na2S BaCl3 MgF. CaKr-Kr is a noble gas Na2S-not balanced BaCl3-not balanced MgF-not balanced.

Explanation:

The CaKr is  compound which is likely to form because its charge will be balanced.

A chemical compound is referred to as a substance made up of several similar molecules linked together with chemical bonds and containing atoms from multiple elements. A molecule made up of only one element's atoms is hence not a compound.

It gains charge when electrons are transferred between each other. When the count of protons is higher than the count of electrons, the charge is positive.

Ca has 1 charge and Kr has also 1 charge. hence, CaKr will form as a compound. The charge of  \(Na_{2}S, BaCl_{3}\) and MgF is not balanced that's why they can not form compound.

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To find out how many experiment containers Aisha can make with her 2 1/2 liters of water, we first need to convert the mixed number to an improper fraction. 2 1/2 can be written as 5/2.

Next, we need to divide the total amount of water by the amount used in each container. We know that Aisha will pour 5/6 liter of water into each container.
So, the calculation would be: (5/2) ÷ (5/6) = (5/2) x (6/5) = 15/10 = 3/2
Therefore, Aisha can make 3 experiment containers with her 2 1/2 liters of water.

In conclusion, Aisha can make 3 experiment containers with the 2 1/2 liters of water that she has. This was calculated by dividing the total amount of water by the amount used in each container, which gave us 3/2 or 1.5 containers. However, since we cannot make half a container, we must round down to the nearest whole number, which is 3.

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Answer: cf4

Explanation: trust me

The longest wavelength of a photon that can cause a transition from the ground state to an excited state of hydrogen is 1240 nanometers, which is determined by calculating the energy difference between the two states using the formula E = hc/λ.

The energy of a photon is directly proportional to its frequency and inversely proportional to its wavelength. Therefore, the longest wavelength of a photon that can cause a transition in a hydrogen atom from the ground state to an excited state can be determined by calculating the energy difference between the two states and using the formula E = hc/λ, where E is the energy of the photon, h is Planck's constant, c is the speed of light, and λ is the wavelength of the photon.

The energy difference between the ground state and the first excited state of hydrogen is known as the Rydberg energy, which is approximately 13.6 electron volts (eV). To calculate the corresponding wavelength, we can use the formula λ = hc/E, where \(h = 6.626 \times 10^{-34\) joule-seconds, \(c = 3.00 \times 10^8\) meters per second, and \(E = 13.6 eV \times 1.602 \times 10^{-19\) joules per electron volt = \(2.18 \times 10^{-18\) joules.

Substituting these values into the equation, we get λ = 1240 nanometers, which is the longest wavelength corresponding to an absorbed photon that can cause a transition from the ground state to the first excited state of hydrogen. Any photon with a longer wavelength than this would not have enough energy to cause this transition.

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Answer:

El volumen que ocupará la misma masa de aire es 839.49 mL.

Explanation:

Las condiciones normales de presión y temperatura (abreviado CNPT) o presión y temperatura normales (abreviado PTN o TPN), son términos que implican que la temperatura referenciada es de 0ºC (273,15 K) y la presión de 1 atm (definida como 101.325 Pa).

La ley de Boyle dice que “El volumen ocupado por una determinada masa gaseosa a temperatura constante, es inversamente proporcional a la presión”  y se matemáticamente como

Presión*Volumen=constante

o P*V=k

La ley de Charles es una ley que dice que cuando la cantidad de gas y de presión se mantienen constantes, el cociente que existe entre el volumen y la temperatura siempre tendrán el mismo valor:  

\(\frac{V}{T} =k\)

La ley de Gay-Lussac​ establece que la presión de un volumen fijo de un gas, es directamente proporcional a su temperatura. Se expresa matemáticamente como:

\(\frac{P}{T} =k\)

Combinando estas tres leyes se obtiene:

\(\frac{P*V}{T} =k\)

Siendo un estado inicial 1 y un estado final 2, la expresión anterior queda determinada como:

\(\frac{P1*V1}{T1} =\frac{P2*V2}{T2}\)

En este caso:

Reemplazando:

\(\frac{101325 Pa*773 mL}{273,15 K} =\frac{93300 Pa*V2}{273.15 K}\)

y resolviendo obtenes:

\(V2=\frac{273.15 K}{93300 Pa} *\frac{101325 Pa*773 mL}{273,15 K}\)

V2= 839,49 mL

El volumen que ocupará la misma masa de aire es 839.49 mL.

The approximate C-C-C bond angles in benzene, C6H6, are 120 degrees. This is because the carbon atoms in benzene are sp2 hybridized, which means that they have three electron orbitals in the same plane, forming a trigonal planar geometry.

The remaining sp2 hybridized orbital forms a π-bond with the adjacent carbon atom, creating the characteristic delocalized π-electron cloud in the benzene ring. The six carbon atoms in benzene are arranged in a hexagonal pattern, and each carbon atom is bonded to two other carbon atoms and one hydrogen atom. This arrangement of bonds and electron orbitals results in a regular hexagonal geometry with bond angles of approximately 120 degrees.

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The ratio of octene to oxygen is 1:12.

To determine the ratio of octene (C8H16) to oxygen (O2) in the given reaction, we need to examine the balanced chemical equation. However, the equation you provided does not seem to be balanced. The coefficients for each compound must be determined to achieve a balanced equation before we can calculate the desired ratio.

Assuming you meant the combustion reaction of octene, a balanced equation would be:

C8H16 + 12O2 → 8CO2 + 8H2O

From the balanced equation, we can see that for every 1 mole of octene (C8H16), we require 12 moles of oxygen (O2) to completely react.

This means that for every 1 mole of octene, we need 12 moles of oxygen to fully combust the octene and produce the corresponding amounts of carbon dioxide (CO2) and water (H2O) as shown in the balanced equation.

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To form one formula unit of Al2O3, a total of 12 electrons (6 from aluminum and 6 from oxygen) must be transferred.

The compound Al2O3, commonly known as aluminum oxide, is formed when two aluminum atoms and three oxygen atoms bond. To determine the number of total electrons that must be transferred to form one formula unit of Al2O3, we first need to find the number of electrons that are present in one formula unit of Al2O3.

Aluminum has an atomic number of 13, which means it has 13 protons and 13 electrons in a neutral atom. Each aluminum atom in Al2O3 contributes 3 electrons, and since there are two aluminum atoms in one formula unit of Al2O3, the total number of electrons contributed by aluminum atoms is 6.

Oxygen has an atomic number of 8, which means it has 8 protons and 8 electrons in a neutral atom. Each oxygen atom in Al2O3 contributes 2 electrons, and since there are three oxygen atoms in one formula unit of Al2O3, the total number of electrons contributed by oxygen atoms is 6.

Therefore, to form one formula unit of Al2O3, a total of 12 electrons (6 from aluminum and 6 from oxygen) must be transferred.

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