A wave hits a wall as shown. A brick wall with a green arrow pointing to the wall from below and right at a shallow angle. Another green arrow starts where the first arrow touched the wall and goes up and left at the same shallow angle. As the wave interacts with a wall, which kind of wave interaction is shown?

Answer:

Ag one dot

Explanation:

i hope it helps you

Answer:

its yellow

Explanation:

it's a constant law .... much explanation

from 0 to 9

we have

black .o

brown 1

red 2

orange 3

yellow 4

green 5

blue 6

violet 7

grey 8

white 9

The molecular formula of a cycloalkane that has six carbon atoms is C6H12. Therefore, the molecular formula of a cycloalkane that has six carbon atoms is C6H12.

We know that the molecular formula is a chemical formula that specifies the number of atoms of each element present in one molecule of a compound. It provides information about the composition of a molecule in terms of the number and types of atoms present. The molecular formula for a cycloalkane depends on the number of carbon atoms present in the ring.

Since we know that a cycloalkane is a cyclic hydrocarbon with the general formula of CnH2n, the number of hydrogen atoms is twice the number of carbon atoms present in the ring. If we have six carbon atoms in the ring, the number of hydrogen atoms would be double that of carbon atoms, which is 12.

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Acetic acid and sodium hydroxide used to make a buffer solution.

What is buffer solution?

buffer solution is a waterproof solvent based solution in  which consists of a mixture of  containing a weak acid and  the conjugate base of the weak acid, or a weak base of the solution and the conjugate acid of the weak base. They resist to a  change in pH upon to the  dilution or upon the addition of small amounts of a  acid/alkali to them. Buffer solution resist of a  change in pH when smallest amounts of a stronger acid or a stronger base are added.

Sol-Acetic acid is a weaker acid and  its conjugate base is the acetate anion. That's why the addition of the strong base, hydroxide, which neutralized half of a  acetic acid created a buffer and  solution because we are having  significant amounts of both acetic acid and its conjugate base, the acetate anion, in the solution.

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Answer:

Accuracy refers to how close the arrows are to the bull's eye, while precision refers to how close the arrows are to each other.

In this scenario, the archer's shots are precise but not accurate. The arrows are all within 1 cm of each other, which shows that the archer's shots are consistent and repeatable, but none of the arrows are within 30 cm of the bull's eye. This means that the archer's shots are accurate to a certain extent, but not accurate enough to hit the bull's eye.

To improve the accuracy of the archer, he/she could practice aiming at the bull's eye, and focusing on form and technique. The archer could also get feedback from a coach or mentor to understand what might be causing the arrows to land away from the bull's eye.

On the other hand, the archer's precision is good, and this can be maintained by regular practice and fine-tuning the aim and form. The archer should aim to keep the consistency of the shots and keep the arrows close to each other.

The distance from the Earth to the Moon is 15147984000 inches.

The given distance between Earth and Moon is 238,900 miles. We need to convert miles to inches to find the distance in inches.1 mile is equivalent to 63,360 inches. By multiplying the distance in miles by 63,360 we can find the distance in inches.

Hence, the distance from Earth to the Moon is found by multiplying 238900 miles with 63,360 inches/mile which equals 15,147,984,000 inches.

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76.664 grams of mass presented in the 0.370 moles of Pb (1 mol of Pb has a mass of 207.2g.)

To determine the mass of 0.370 moles of Pb, you can use the given information that 1 mole of Pb has a mass of 207.2 grams. To find the mass of 0.370 moles of Pb, simply multiply the number of moles (0.370) by the mass of 1 mole of Pb (207.2 grams):

Using the rule of three, it is possible to solve proportionality issues between three known values and a fourth that is unknown.

The direct rule of three must be used if there is a direct relationship between the magnitudes, meaning that when one increases, the other does as well (or vice versa when one lowers).

The following formula, where a, b, and c are known values and x is the unknown value to calculate, must be used to solve a direct rule of three:
Mass = (Number of moles) × (Mass of 1 mole)
Mass = 0.370 moles × 207.2 g/mol
Mass ≈ 76.664 grams
Therefore, the mass of 0.370 moles of Pb is approximately 76.664 grams.

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Answer:

The m & m logo floats off of it. Its a fun experiment. I did it before

Explanation:

Hope that helped

Answer:

fofo you for your patience and

The question is incomplete.

Following things are required to solve the question:-

Without the information we can not solve the question. Therefore, please provide with the incomplete information.

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1.018g of freon- 113 gas is trapped in a 145 mL container at 760 mmHg and 50.0 C. The molar mass of freon- 113 is 186.1 g/mol

We can first use the ideal gas law equation to get the number of moles.

PV = nrT

where

P is pressure = 760 mmHg / 760 mmHg/atm = 1 atm

V is volume =  145 x 10⁻³ L

n is number of moles

r is universal gas constant= 0.08206 LatmK⁻¹mol⁻¹

T is temperature in Kelvin = 50 °C + 273 = 323 K

we can subtitutes the value to the formula of gas ideal

PV = nrT

1 atm x 145x 10⁻³ L = n x 0.08206 LatmK⁻¹mol⁻¹ x 323 K

n = 0.00547mol

Molar mass of freon 113 can be calculate as follows

molar mass = mass  / number of moles

molar mass = 1.018 g / 0.00547 mol = 186.1 g/mol

molar mass of freon 113 gas is 186.1 g/mol

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Answer:Question

Select the correct answer. Sami was blowing soap bubbles in his room where the temperature was 23 °C and the pressure was constant. He blew a soup bubble of volume 45 mL. The bubble suddenly escaped from the window where the temperature outside was 12 °C. Explain what will happen to the soap bubble? The volume of the soap bubble will increase to 46.73 mL. The volume of the soap bubble will increase to 86.25 mL. The volume of the soap bubble will decrease to 23.47 mL. The volume of the soap bubble will decrease to 43.33 mL.​

Explanation:

Question

Select the correct answer. Sami was blowing soap bubbles in his room where the temperature was 23 °C and the pressure was constant. He blew a soup bubble of volume 45 mL. The bubble suddenly escaped from the window where the temperature outside was 12 °C. Explain what will happen to the soap bubble? The volume of the soap bubble will increase to 46.73 mL. The volume of the soap bubble will increase to 86.25 mL. The volume of the soap bubble will decrease to 23.47 mL. The volume of the soap bubble will decrease to 43.33 mL.​

None of the given options is entirely correct.

With paper chromatography, mixtures of substances are separated according to how well they dissolve in a solvent and how well they stick to the paper's fibers.

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When an electron moves from the second energy level to the third energy level and then back to the second energy level energy is absorbed and then released to form an emission line.

Energy is absorbed and then released to form an emission line.

As an electron passes from the second to the third energy level before returning to the second, according to the Bohr model of an atom, energy is absorbed and then released to form an emission line. Electrons in the Bohr model of the atom travel in circular orbits around the nucleus.

Electrons orbit the nucleus at constant energy levels. At greater energy levels, orbits further from the nucleus exist. When electrons return to a lower energy level, they emit light energy.

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Answer:

C. Energy is absorbed and then released to form an emission line.

Explanation:

Hope this helpssss!!~ ^^

The female part is the pistil. The pistil usually is located in the center of the flower and is made up of three parts: the stigma, style, and ovary. The stigma is the sticky knob at the top of the pistil. It is attached to the long, tube like structure called the style.

Answer:

troposphere

Explanation:

Commercial jet aircraft fly in the lower stratosphere to avoid the turbulence which is common in the troposphere below. The stratosphere is very dry; air there contains little water vapor. Because of this, few clouds are found in this layer; almost all clouds occur in the lower, more humid troposphere.

The plane is mostly flying in the troposphere layer.

Hope it helps you...

Answered by Benjemin ☺️

Answer3:00pm

Explanation:

El Niño is a climate pattern that occurs in tropical Pacific Ocean and can causes variety of changes in weather patterns around the world. One of the significant effects of El Niño is drought in some regions, mostly in areas that normally receive a lot of rainfall.

Droughts brought on by El Niño can have variety of impacts on Earth's spheres. In geosphere, drought can cause soil moisture to decrease, leading to dry and arid conditions. This can cause problems for agriculture and other industries that rely on water for their operations. In extreme cases, soil may become so dry that it starts to crack, leading to erosion and other geological changes.

In biosphere, droughts can be particularly devastating. Plants and animals that rely on water can suffer from dehydration, which can lead to decrease in population or even extinction.

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Answer:

When there is less rainfall, land, which is part of the geosphere, becomes dry. When there is not enough water, plants will not get the nutrients they need from the soil and animals will not get enough water, and they will die. Both plants and animals are part of the biosphere. Less precipitation would also mean less water in lakes and groundwater, parts of the hydrosphere, and less evaporation. The atmosphere may also be affected due to less water vapor.

Explanation: hope to help!

Answer:

Rock

Explanation:

Let's calculate the density of each object:

Rock:

\(Density = \frac{mass}{volume}=\frac{8.5\ g}{4.5\ mL}=1.9\ g/mL\)

Pencil:

\(Density = \frac{mass}{volume}=\frac{2.4\ g}{4.5\ mL}=0.53\ g/mL\)

Therefore the rock is denser.

Answer:

formula for fermentation is: C6H12O6 → 2 C2H5OH + 2 CO.

The complex ions arranged in increasing order of crystal field splitting energy (Δ₀) are [Cr(NH₃)₆]³⁺, [Cr(Cl)₆]³⁻, and [Cr(CN)₆]³⁻.

Crystal field splitting energy (Δ₀) is the energy difference between the d-orbitals in a complex ion, which is determined by the ligands surrounding the central metal ion.

[Cr(NH₃)₆]³⁺ has the lowest crystal field splitting energy (Δ₀) among the given complex ions. Ammonia (NH₃) is a weak-field ligand that interacts less strongly with the central metal ion, resulting in a smaller energy difference between the d-orbitals.

[Cr(Cl)₆]³⁻ follows with a higher crystal field splitting energy (Δ₀). Chloride (Cl⁻) is a stronger field ligand compared to ammonia, leading to a larger energy difference between the d-orbitals.

Finally, [Cr(CN)₆]³⁻ has the highest crystal field splitting energy (Δ₀) among the given complex ions. Cyanide (CN⁻) is a strong-field ligand that strongly interacts with the central metal ion, causing a larger energy difference between the d-orbitals.

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Answer:

Water Desalination Processes. Water desalination processes separate dissolved salts and other minerals from water. Feedwater sources may include brackish, seawater, wells, surface (rivers and streams), wastewater, and industrial feed and process waters. Membrane separation requires driving forces including pressure (applied and vapor)

Explanation:

Salinized water cannot be consumed by humans, but it can be converted into freshwater, which has a variety of purposes. Desalination is the procedure, and it is being employed increasingly frequently all over the world to supply people with the freshwater they require.

Desalination is the procedure used to remove the dissolved mineral salts from water. Currently, one of the most popular methods for obtaining fresh water for use in agriculture or human consumption when applied to seawater.

When seawater evaporation occurs, salt is left behind, and clouds are formed, which eventually result in rain. Da Vinci realised that it was easy to obtain using a still. Aristotle had observed that seawater would evaporate and condense into fresh water.

Seawater desalination was mostly utilised on ships and submarines over the next centuries to supply the crew with fresh water during lengthy voyages. Nevertheless, this method was not widely accessible until the industrial revolution and, more specifically, until the creation of desalination facilities.

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Answer:

minimizing the use of cars can help save the ozone layer by ​Minimizing the amount of gasoline which damages the ozone layer.

therefore the ozone layer is preserved.

have a nice day.

Biodiesel is indeed an alkylester (RCOOR') obtained from fat, and it possesses combustion characteristics similar to diesel fuel. However, biodiesel is known to be more stable, non-toxic, and less susceptible to microbial decomposition due to its relatively high flash point.

Biodiesel is produced through a chemical process called transesterification, where fats or vegetable oils are reacted with an alcohol (usually methanol or ethanol) in the presence of a catalyst, such as sodium hydroxide or potassium hydroxide.

This reaction results in the formation of alkyl esters, which are the main components of biodiesel.

The combustion characteristics of biodiesel are similar to those of conventional diesel fuel, which make it a suitable alternative for diesel engines without requiring significant engine modifications.

Biodiesel has a higher flash point compared to petroleum diesel, meaning it requires a higher temperature to ignite. This property enhances safety and reduces the risk of accidental fires.

Furthermore, biodiesel is considered stable because it has a lower propensity to degrade or oxidize over time compared to conventional diesel fuel. This stability ensures that biodiesel can be stored for longer periods without significant deterioration in quality.

Biodiesel is also recognized for its non-toxic nature. It is biodegradable and poses fewer health risks than petroleum-based diesel fuel. In case of a spill or leakage, biodiesel can be less harmful to the environment and human health.

In summary, biodiesel is an alkylester obtained from fat through the transesterification process. It exhibits combustion characteristics similar to diesel fuel but offers several advantages, including stability, non-toxicity, and a relatively high flash point.

These properties make biodiesel a viable and environmentally friendly alternative to petroleum diesel fuel, contributing to the diversification of energy sources and reducing the environmental impact associated with traditional fossil fuels.

CH₂-OCOR¹ CH-OCOR² + 3CH₂OH CH- CH₂-OCOR³ Triglyceride Methanol A + 3M Catalyst CH₂OH R¹COOCH3 CHOH + R³COOCH3 CH₂OH R³COOCH3 Glycerol Methyl esters G + 3P Triglyceride + R¹OH Diglyceride + R¹OH Monoglyceride + R¹OH Diglyceride + RCOOR¹ Monoglyceride + RCOOR¹ Glycerol + RCOOR¹ A+MB+P [1] B+MC+P [2] C+M G+P [3] temp (°C) 45 55 65 time (min) 5 0.94 0.89 0.80 10 0.89 0.81 0.67 15 0.84 0.74 0.57 20 0.80 0.67 0.50 25 0.76 0.63 0.45 30 0.73 0.58 0.40 tem(C) 45 55 65 60 rate constant (L/(mol min)) kl k2 Obtained from question 0.0255 Obtained from question 0.0510 Obtained from question 0.0965 Obtained from question ? k3 0.0881 0.141 0.218 ?

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Answer:

Definition: any of a number of organized or specialized structures within a living cell.

Explanation:

Hope this Helps

Answer:

any of q number of organize or specialized structures within a living cell

Answer:

A solution in which the maximum amount of solvent has been dissolved

Explanation:

For example, 36g of salt in 100g of water.

Answer:

300 K

General Formulas and Concepts:

Atomic Structure

Gas Laws

Ideal Gas Law: PV = nRT

Explanation:

Step 1: Define

Identify variables

[Given] n = 0.5 mol N₂

[Given] V = 6 L

[Given] P = 2 atm

[Given] R = 0.0821 L · atm · mol⁻¹ · K⁻¹

[Solve] T

Step 2: Solve for T

Step 3: Check

Follow sig fig rules and round. We are given 1 sig fig as our lowest.

292.326 K ≈ 300 K

Answer:

C) the double bond results in the bypassing of the first oxidation step of the pathway, thereby eliminating one FADH2 product

Explanation:

The beta oxidation of fatty acids is the process by which long chain saturated and unsaturated fatty acids are oxidized to the two-carbon product, acetylCoA.

The beta oxudation of fatty acids occurs in four steps after which the chain length is shortened by 2 with cleavage of an acetylCoA molecule.

The first step involves the oxidation of the fatty acid with introduction of a double bond between C-2 and C-3 of the long carbon chain. This reaction produces FADH2 which donates its electrons to electron carriers in the electron transport chain tomproduce 1.5 moles of ATP. This is the case with saturated fatty acids.

However, in unsaturated fatty acids (which are less reduced than saturated fatty acids) where there is already a double bond innthe molecule, the double bond results in the bypassing of the first oxidation step of the pathway, thereby eliminating one FADH2 product.

This causes a reduction In the number of ATP produced by unsaturated fatty acids when compared to saturated fatty acids.

The classification of an acid or base as weak or strong is primarily determined by the extent of dissociation in water.

The characterization of a corrosive or a base as frail or solid not entirely set in stone by the degree of separation of the broke down corrosive or base, which is otherwise called the ionization steady. A solid corrosive or base totally separates in water, creating a high centralization of hydrogen or hydroxide particles, separately.

Conversely, a powerless corrosive or base just to some extent separates, bringing about a lower centralization of particles. The solvency of the corrosive or base and its fixation likewise assume a part in deciding its solidarity, however they are not the essential variables. The grouping of a corrosive or base is connected with its solidarity, yet not by any means the only element decides its solidarity.

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Answer:

It is in the periodic table, group 9 with the atomic number 7

it's a pure substance consisting only of atoms that all have the same numbers of protons in their nuclei.