In Mexico City, what are the two things that are causing most of the pollution? If you answer with an explanation I will give you Brainlist PLEASE HELP ITS DUE IN 30minutes

As a business, Starbucks must manage several critical risks to ensure its success. One critical risk is the potential for increased competition from other coffee shops and cafes, which could impact its market share and profitability. Additionally, Starbucks must manage the supply chain and operational risks, such as disruptions in the coffee bean supply or issues with its payment systems.

To maintain its success, Starbucks must also manage several key success factors. One important factor is its ability to maintain and grow its customer base, through marketing campaigns and delivering a high-quality customer experience. Additionally, Starbucks must continually innovate and introduce new products and services to stay relevant and meet evolving customer needs. Effective management of these critical risks and success factors is essential for Starbucks to maintain its position as a leader in the coffee industry.

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Answer:

Tara does not think that Victor’s predictions are likely.

Explanation:

In order to submit the paper, he would need to be as accurate as he possible can, is Tara told him to do it again, it means that he may have made a few mistakes.

Answer: neutral

Explanation: Neutral salts are those salts that are neither acidic nor basic

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The carbonyl stretching frequency in the infrared spectrum depends on the nature of the carbonyl group and the adjacent functional groups or substituents. Based on this, we can rank the given molecules in terms of their carbonyl stretching frequency, from highest to lowest:

2,4-cyclohexadienone > 2-cyclohexenone > cyclohexenone > cyclohexanone

In general, a carbonyl group adjacent to an electron-withdrawing group will have a higher stretching frequency compared to a carbonyl group adjacent to an electron-donating group.

In 2,4-cyclohexadienone, the two carbonyl groups are conjugated with each other and with the double bonds in the ring, resulting in a very high carbonyl stretching frequency. In 2-cyclohexenone, the carbonyl group is conjugated with the double bond in the ring, resulting in a slightly lower stretching frequency.

In cyclohexenone, the carbonyl group is adjacent to a single double bond in the ring, resulting in a lower stretching frequency compared to 2-cyclohexenone. In cyclohexanone, the carbonyl group is not conjugated with any other functional group, resulting in the lowest carbonyl stretching frequency among the given molecules.

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Answer:

polonium

Explanation:

i.e electronic configuration of polonium

Answer: The answer is A.

Explanation: The higher the kPa, the lower the boiling point

Answer:

150g

Explanation:

Assuming they are ideal gases at the same temperature and pressure, equal moles of gasses have equal volume. IN this case, if we have 10g of hydrogen gas, that is 5 moles of H2 gas. That means 5 moles og NO2 will occupy the same volume which is 5*(14.0 + 16.0*2) =  230 g

Answer:

3.23 L

Explanation:

Using the combined gas law formula as follows:

P1V1/T1 = P2V2/T2

Where;

P1 = initial pressure (atm)

P2 = final pressure (atm)

T1 = initial temperature (K)

T2 = final temperature (K)

V1 = initial volume (L)

V2 = final volume (L)

According to the provided information in this question;

P1 = 1.26atm

P2 = 3.14atm

V1 = 6.5L

V2 = ?

T1 = 150°C = 150 + 273 = 423K

T2 = 250°C = 250 + 273 = 523K

Using P1V1/T1 = P2V2/T2

1.26 × 6.5/423 = 3.14 × V2/523

8.19/423 = 3.14V2/523

0.0194 = 3.14V2/523

Cross multiply

3.14V2 = 523 × 0.0194

3.14V2 = 10.146

V2 = 10.146/3.14

V2 = 3.23L

The balanced equation based on half-reactions is 2Cu + 8HNO3 + 6H+ -> 2Cu(NO3)2 + 2NO + 4H2O.

To complete the balanced equation for the given reaction Cu + HNO3 -> Cu(NO3)2 + NO + H2O using half-reactions, we need to break down the overall reaction into separate oxidation and reduction half-reactions.

1. Oxidation Half-Reaction:

Cu -> Cu2+ + 2e-

In this step, copper (Cu) is oxidized, losing two electrons to form copper(II) ions (Cu2+).

2. Reduction Half-Reaction:

HNO3 + 3H+ + 2e- -> NO + 2H2O

In this step, nitric acid (HNO3) is reduced, gaining two electrons to form nitric oxide (NO) and water (H2O).

Now, to balance the half-reactions, we need to make sure that the number of electrons gained in the reduction half-reaction is equal to the number of electrons lost in the oxidation half-reaction. In this case, we can achieve this by multiplying the oxidation half-reaction by two.

Balanced Half-Reactions:

Oxidation: 2Cu -> 2Cu2+ + 4e-

Reduction: HNO3 + 3H+ + 2e- -> NO + 2H2O

Finally, we can combine the balanced half-reactions to obtain the balanced equation for the overall reaction:

2Cu + 8HNO3 + 6H+ -> 2Cu(NO3)2 + 2NO + 4H2O

Therefore, the balanced equation based on half-reactions is 2Cu + 8HNO3 + 6H+ -> 2Cu(NO3)2 + 2NO + 4H2O.

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Answer:

Group C

Explanation:

Precision is how close the values are to each other

The paramagnetic species in the list are; \(N_{2} ^- and N_{2} ^+\)

We know that the term Para magnetism has to do with a situation in which a specie has unpaired electrons. As we fill in the molecular orbitals, we have to look out for the species in which we would have unpaired electrons.

We can see that that the nitrogen molecule cation and the nitrogen molecule anion both have unpaired electrons thus they are paramagnetic. The nitrogen molecule is a diamagnetic specie because it as paired electrons.

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Answer:

I think carbon.

Explanation:

............

Science is the only way through which a country can develop and makes comforts for the people.

Science can solve the problems which maybe big problem or small problem but it can made that consequences which may cause the social, economical issues in the state or country. Scientists are the one influenced by science by the interest and need of society. That's why science is important to our society and to humans because it influences its development. Without science a country can not be developed because the science made our life very easy and make us comfortable.

So we can conclude that: Science is the only way through which a country can develop and makes comforts for the people.

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Answer:

kinectic energy of all its molecules

A wave is a disturbance that travels through space or matter. It transfers energy from one point to another without transferring matter. The two main types of waves are transverse and longitudinal waves.

Transverse waves oscillate perpendicular to the direction of wave travel while longitudinal waves oscillate parallel to the direction of wave travel. The trend of waves refers to the pattern or behavior of the wave as it travels through space or matter. One trend of waves is that they experience reflection, refraction, and diffraction. Waves also demonstrate constructive and destructive interference. Constructive interference occurs when two waves of the same frequency combine to produce a larger wave. Destructive interference occurs when two waves of the same frequency combine to produce a smaller wave. Waves also exhibit diffraction,

which is the bending of a wave as it passes through a small opening or around an obstacle. The degree of diffraction is dependent on the wavelength of the wave in relation to the size of the opening or obstacle. Finally, waves are characterized by their frequency, wavelength, amplitude, and velocity. These characteristics determine how the wave will behave and interact with other waves and matter.

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The reaction did not produce as much as expected based on the theoretical yield. However, the percentage yield can be calculated by dividing the actual yield by the theoretical yield and multiplying by 100, which gives a value of 53.75%.

According to the balanced equation, the theoretical yield of water produced from the combustion of 20 grams of methane is 80 grams. This is calculated by first finding the moles of methane used (20g / 16.04 g/mol = 1.247 mol) and then using the stoichiometric ratio to determine the moles of water produced (2 moles of H2O for every 1 mole of CH4), which gives 2.494 mol of water. Finally, converting the moles of water to grams gives a theoretical yield of 80 grams.

However, the actual yield of water obtained from the reaction was only 43 grams, which is significantly less than the theoretical yield. This could be due to a variety of reasons, such as incomplete combustion of methane, loss of product during collection or transfer, or errors in measurement or calculation.

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The permitted values of j for a p electron are 1/2 and 3/2 and the permitted values of j for an h electron are 9/2 and 11/2.

(a) For a p electron:
The azimuthal quantum number (l) for a p electron is 1. To calculate the permitted values of j, we use the formula:
j = l ± 1/2
So for a p electron, the permitted values of j will be:
j = 1 + 1/2 = 3/2
j = 1 - 1/2 = 1/2
Therefore, the permitted values of j for a p electron are 1/2 and 3/2.

(b) For an h electron:
The azimuthal quantum number (l) for an h electron is 5. To calculate the permitted values of j, we use the same formula:
j = l ± 1/2
So for an h electron, the permitted values of j will be:
j = 5 + 1/2 = 11/2
j = 5 - 1/2 = 9/2
Therefore, the permitted values of j for an h electron are 9/2 and 11/2.

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Answer:

answer is d on edge

Explanation:

Answer:

The bonds that exist between their atoms and molecules differ on an atomic scale.

Explanation:

The three basic states of matter are solid, liquid, and gas. The major difference between them is the strength of the bonds that hold their molecules together. This affects the way that the molecules interact with each other.

The intermolecular forces binding solids together are very strong. This makes solids rigid and not able to move about freely, but rather, only able to vibrate about a mean position.

The intermolecular forces binding liquid atoms together are a lot weaker than that of solids. This makes liquids able to flow.

The intermolecular forces binding gas molecules together are the weakest. As a result, the gases can move about freely and occupy no definite volume.

Answer:

shale

Explanation:

An example of clastic sedimentary rock is shale which are made up of small pieces of fragmented rocks .

They are the types of rocks which are formed as a result of accumulation of minerals or organic particles at the surface of the earth.Sedimentation is the name given to a collective process  which cause the particles to settle.

The study of sedimentary rocks is useful in civil engineering  and as important sources  of coal, fossil fuels and ores.The color of sedimentary rock is often determined by iron content  and sometimes due to the presence of organic matter.

They are classified  based on origin in to 4 types which are clastic, biochemical ,chemical and other sedimentary rocks.While based on composition they are classified as siliciclastic,carbonate ,evaporite,organic rich,siliceous ,iron-rich and phosphatic sedimentary rocks.

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The equilibrium constant of the reaction from the calculation that has been done is 0.154

The concentrations (or partial pressures) of reactants and products in chemical equilibrium for a specific chemical reaction are related by the equilibrium constant (K), a mathematical equation. It quantifies the degree to which an equilibrium has been reached in a reaction.

We have the equation of the reaction as;

A(g) + B(g) ⇔C(g)

Thus;

Keq = 45.83/11.23 * 26.50

Keq = 0.154

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Yes, 2AgCl → 2Ag + Cl2 is a photocatalytic decomposition reaction.

In this reaction, silver chloride (AgCl) is decomposed into silver (Ag) and chlorine (Cl2) when exposed to light. This process occurs because light energy is absorbed by the AgCl, which then undergoes a redox reaction. The absorbed energy causes the Ag-Cl bond to break, forming Ag and Cl2. This reaction is used in the production of photographic films and papers, where the silver halide (AgCl) is used as a light-sensitive material. When exposed to light, the AgCl undergoes a similar reaction, forming an image on the film or paper. The reaction is also used in water treatment, where photocatalytic decomposition is used to remove pollutants from water.

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Answer:

High conductivity

Explanation:

Metals exhibit high conductivity due to the mobility of valence electrons.

Explanation:

Refer to pic.............

Answer:

proton-27

electron-25

neutron-35

Explanation:

Antonio needs 1000 milliliters of 20% alcohol solution and 3000 milliliters of 40% alcohol solution to produce 4000 milliliters of 35% alcohol solution.

We can use the following formula to solve the problem:Amount of 20% solution + amount of 40% solution = 4000 milliliters

Let x be the amount of 20% solution and y be the amount of 40% solution. Then we can write two equations based on the information given in the problem:

x + y = 4000 (equation 1)

0.20x + 0.40y = 0.35(4000) (equation 2)

We are looking for values of x and y that satisfy both equations. We can start by solving equation 1 for one of the variables, say y:

y = 4000 - x

We can substitute this expression for y into equation 2 and simplify:

0.20x + 0.40(4000 - x) = 1400

Simplifying further:0.20x + 1600 - 0.40x = 1400-0.20x = -200x = 1000

So Antonio needs 1000 milliliters of 20% alcohol solution and 3000 milliliters of 40% alcohol solution to produce 4000 milliliters of 35% alcohol solution.

Antonio needs 1000 milliliters of 20% alcohol solution and 3000 milliliters of 40% alcohol solution to produce 4000 milliliters of 35% alcohol solution.

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Answer:

Concepts: Physical Forces

The selection clause corresponds to the selection operation, the projection clause corresponds to the projection operation, and the join clause corresponds to the join operation of a n-ary relation.

In SQL, the selection operation is performed using the SELECT statement, which allows you to specify conditions that filter the rows from a table. The selection clause in the given SQL statement identifies the criteria for selecting specific rows from the table, thus corresponding to the selection operation.

The projection operation, on the other hand, is achieved using the SELECT statement along with specific columns that are required to be retrieved from the table. The projection clause in the SQL statement specifies the columns to be included in the result set, representing the projection operation.

Lastly, the join operation combines rows from two or more tables based on a related column between them. The join clause in the SQL statement indicates how the tables are to be joined, based on the specified join conditions. This clause corresponds to the join operation, which combines the data from multiple tables into a single result set.

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