Where do most rivers begin? In a flat low area or a steep high area?

Answer:

the correct answers is "neutralize"

Explanation:

When an acid is related to a base or also called an alkali and they reach a pH of 7, this acid will be neutralized or it will be canceled as the question says.

This happens so it reaches an equilibrium between both compounds, where the solution medium where these two compounds are is NEITHER ACID NOR BASIC, that is why it is called NEUTRAL medium.

Whenever you read that the pH of a solution is balanced, a neutralized acid, or a ph7 it means that the solution is NEUTRAL.

Answer

I think its

1250J

One nitrogen-containing fertilizer that is commonly used in agriculture and can potentially pollute water is ammonium nitrate (NH4NO3). When applied to soil, ammonium nitrate dissolves in water and releases nitrogen that plants can absorb for growth.

However, if not properly managed, excess nitrogen from fertilizer can leach into groundwater or run off into surface water bodies like lakes and streams, leading to eutrophication and harmful algal blooms. To prevent water pollution from nitrogen-containing fertilizers, it is important to use them in appropriate amounts and at appropriate times based on soil and crop needs. Other best management practices include reducing fertilizer application rates, using slow-release fertilizers, incorporating fertilizers into soil, avoiding application before heavy rain or irrigation events, and planting cover crops.

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When the anion gap exceeds 16 mEQ/L, the cause is generally an increase in fixed acids.

When the anion gap, which represents the difference between measured cations and anions in the blood, exceeds 16 mEQ/L, it is typically indicative of an increase in fixed acids. The anion gap is a valuable tool in diagnosing metabolic acidosis and evaluating the acid-base balance in the body.

An increase in fixed acids, such as lactic acid, ketoacids, or toxins, leads to an accumulation of these acidic substances in the blood. This causes a disturbance in the acid-base equilibrium, resulting in metabolic acidosis. Metabolic acidosis occurs when there is either a decrease in bicarbonate (base) or an increase in non-volatile acids (fixed acids) in the body.

An elevated anion gap indicates the presence of unmeasured anions, which are usually the result of increased fixed acids. These fixed acids can arise from various conditions, including diabetic ketoacidosis, lactic acidosis, renal failure, and certain toxic ingestions. By measuring the anion gap, healthcare professionals can identify the underlying cause of metabolic acidosis and guide appropriate treatment.

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Answer:

Nitrous oxide

Explanation:

Nitrous+ Oxygen (ygen becomes -ide when it is combined) = Nitrous oxide

just learnt these in school, hope this is correct

hii kiran hru my darling

The larger crystal sodium chloride could be represented perfectly by the use of the model of the crystal.

A crystal is an arrangement of the ions in are found in an ionic substance. We know that ions are contained in crystals and that these ions are arranged in a definite pattern such that we have a crystal structure that is definite. The ions are arranged in a regular repeating pattern and models of the crystal could be shown in;

A ball and stick model

A space filling model.

Thus, a larger crystal could be replicated by a model. Note that the model serves the purpose of both explanation and predication of the properties of the sodium chloride crystal.

In the model, the sodium ions are arranged in alternate position with the chloride ions. The continuous network of the alternate ions in the system is the determinant of the properties of the system.

In a model, it is common to represent each of the ions in the system by the use of dots. The dots often have differing colors.

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The given organic compound is an alkyne with a total of 6 carbons.

The reaction with BH3/THF is a hydroboration reaction which adds a BH2 group to the least substituted carbon of the alkyne. The product formed is an alkene with a total of 7 carbons and a double bond at the second carbon from the left. The product is:

CH3CH2CH=CH-CH2CH2CH3

The second reaction with H2O2/aqueous NaOH is an oxidation reaction that converts the BH2 group to a carbonyl group. The product formed is a ketone with a total of 6 carbons. The product is:

CH3CH2COCH2CH2CH3
The reaction you have described involves a terminal alkyne (CH3CH2CH2C≡CH) undergoing hydroboration-oxidation, which consists of two main steps:

1. Hydroboration with BH3/THF: The terminal alkyne reacts with borane (BH3) in the presence of tetrahydrofuran (THF) as a solvent. This step results in the formation of an alkylborane intermediate.
2. Oxidation with H2O2/NaOH: The alkylborane intermediate undergoes oxidation with hydrogen peroxide (H2O2) in the presence of aqueous sodium hydroxide (NaOH), leading to the formation of an aldehyde product.

For the given terminal alkyne (CH3CH2CH2C≡CH), the product of this reaction would be an aldehyde: CH3CH2CH2CHO.

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Answer:

There are 8 oxygen atoms in the formula 4H3O2.

Explanation:

Answer:

There are 6 oxygen atoms in 4H3O2

Explanation:

There are 3 oxygens but since oxygen is a diatomic atom you multiply it by 2 and you get 6.

Answer:

4

Explanation:

hope this helps, can i have brainliest

NaBrO₃ (sodium bromate) is an ionic compound. It consists of a metal (sodium, Na) and a polyatomic ion (bromate, BrO₃⁻).

Ionic compounds are compounds composed of positive and negative ions held together by electrostatic forces. They are formed through the transfer of electrons between atoms, resulting in the formation of positively charged cations and negatively charged anions.

In an ionic compound, the cations are typically metal ions, while the anions are usually nonmetal ions or polyatomic ions. The transfer of electrons occurs from the metal atom(s) to the nonmetal atom(s), resulting in the formation of a crystal lattice structure.

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The answer is- Dichloromethane

The Rf value is a ratio and represents the relative distance the spot has travelled compared to the distance it could have travelled if it had moved with the solvent front. An Rf of 0.55 means that the spot has moved 55% to the solvent front, or slightly more than halfway.

How to choose the solvent to separate a mixture of two compounds based on Rf values?

\(Rf=\frac{(distance\ travelled\ by\ sample)}{(distance\ travelled\ by\ solvent)}\)

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The concentration of CO (g) in the equilibrium mixture is 0.020 M. In other words, only a small amount of CO (g) is produced in this reaction at 1000°C. T 0.020 M.

The concentration of CO in an equilibrium mixture (in mol/L) is 5.8 M.

Given that the concentration of H2O (g) is [H2O] = 0.500 M at 1000°C, and  the reaction is:

C(s) + H2O(g) ⇄ CO(g) + H2(g) KC = 0.2 at 1000°C

We need to determine the concentration of CO in an equilibrium mixture (in mol/L)

if a reaction mixture initially contains only reactants.

We can solve this problem using the ICE table method as follows:

Let x be the change in concentration of H2O (g) and CO (g) when they reach equilibrium.

Then the equilibrium concentrations of CO (g) and H2 (g) are equal to x. Hence, the equilibrium concentration of H2O (g) is (0.500 - x) M. Substitute these values in the expression for Kc and solve for x.

Kc = [CO (g)] [H2 (g)] / [H2O (g)] [C (s)]

= 0.2[CO (g)] = Kc [H2O (g)] [C (s)] / [H2 (g)]

= 0.2 × (0.500 - x) / x

We can simplify this expression by cross-multiplication to get:

5x = 0.1 - 0.2xx = 0.02 M

Substituting x = 0.02 M in the expression for [CO (g)], we get:

[CO (g)] = 0.2 × (0.500 - 0.02) / 0.02 = 5.8 M (approx.)

Therefore, the concentration of CO (g) in an equilibrium mixture (in mol/L) is 5.8 M.                                                                                               The problem requires us to find the equilibrium concentration of CO (g) in a mixture that initially contains only reactants.

To solve this problem, we need to use the expression for the equilibrium constant Kc, which is given by:

Kc = [CO (g)] [H2 (g)] / [H2O (g)] [C (s)]

We can also use the ICE table method to solve this problem. In this method, we start with the initial concentration of the reactants and calculate the change in concentration of each species as they reach equilibrium.

We then use the equilibrium concentrations to calculate the value of Kc and solve for the unknowns. Here is how we can set up the ICE table for this problem: Reaction:

C(s) + H2O(g) ⇄ CO(g) + H2(g)

Initial: [C] = [H2]

= 0 M,

[H2O] = 0.500 M

Equilibrium: [C] = [H2] = x,

[H2O] = 0.500 - x,

[CO] = [H2] = x

Change: +x +x -x -x

Substituting the equilibrium concentrations into the expression for Kc, we get:

Kc = [CO] [H2] / [H2O] [C]

= x² / (0.500 - x)

= 0.2

Solving for x, we get: x = 0.020 M

Substituting this value of x into the expression for [CO], we get:

[CO] = x = 0.020 M

Therefore, the concentration of CO (g) in the equilibrium mixture is 0.020 M.

In other words, only a small amount of CO (g) is produced in this reaction at 1000°C. T 0.020 M.

The concentration of CO in an equilibrium mixture (in mol/L) is 5.8 M.

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The type of interaction that stabilizes the alpha (α) helix and the beta (β) pleated sheet structures of proteins is called hydrogen bonding.

Hydrogen holding is an extraordinary sort of dipole fascination between particles, not a covalent cling to a hydrogen iota. It results from the appealing power between a hydrogen particle covalently clung to an extremely electronegative molecule like a N, O, or F iota and another exceptionally electronegative iota.

Hydrogen bonds can occur in any molecule that has a hydrogen atom directly attached to an oxygen or nitrogen. When hydrogen is bonded to fluorine, hydrogen bonds also occur, but other molecules lack the HF group.

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Answer:

Explanation:

pls mark brainliest

One molecule of glucose contains 6 atoms. Compounds are stable when the atoms involved have an entire outermost electron shell.

What causes atoms to become charged when an ionic bond is formed?

Atoms become charged when an ionic bond is formed due to the transfer of electrons from one extent to another. This constructs a positive ion known as a cation and a negative ion known as an anion that is attracted to each other and forms an ionic bond.

The columns that are vertical in the periodic table are called groups or families.

Where are non-metals located on the periodic table?

Non-metals are typically located on the right side of the periodic table.

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Answer:

The answer is

Explanation:

The percentage error of the density can be found by using the formula

\(Percentage \: \: error(\%) = \frac{error}{actual \: \: number} \times 100 \\ \)

From the question

actual density = 1.59 g/cm³

error = 1.68 - 1.59 = 0.09

The percentage error is

\(P(\%) = \frac{0.09}{1.59} \times 100\% \\ = 5.66037735...\)

We have the final answer as

Hope this helps you

If a chemist adds a chemical to pure water and there is a 100-fold increase in the concentration of hydrogen ions then the best approximate value of new pH is 5.

When only pure water is there.

H₂O ⇌ H⁺ + OH⁻

pKw = pH + pOH

14 = pH + pH ( This is because the value of pH and pOH is same in water and we need to consider pH here.)

14 = 2pH

pH= 14/2 = 7

So, pH of pure water is 7.

Concentration of hydrogen ions in pure water can be calculated using the equation

pH = -log[H⁺]

7 = -log[H⁺]

[H+] = 10⁻⁷ M

So, the concentration of hydrogen ions in pure water is 10⁻⁷ M.

Now, the chemist added a chemical to this pure water such that there is   100- fold increase in concentration of hydrogen ions.

So, the new concentration of hydrogen ions is calculated as shown below.

[H⁺] = 100 ×10⁻⁷ M

      = 10⁻⁵ M

The new concentration of hydrogen ions is 10⁻⁵ M.

Now, the new pH can be calculated using the formula

pH  = -log[H⁺]

      = -log[10⁻⁵]

      = -×-5log[10]        

       = 5×1

       = 5

So, the new pH value = 5.

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Answer:

No.

Explanation:

No, individual particles do not move with the wave, it only oscillates back and forth its mean position. The particles in the medium transfer its energy to their neighboring particles and in that way the energy moves in the form of wave. The particles only vibrates on its means position instead of moving from one place to another. So we can conclude that Individual particles do not move with the wave.

Answer:

Conclusion.....hope this helps

Answer:

conclusion

Explanation:

Answer:

peroxide such as hydrogen peroxide In peroxide, oxygen has an oxidation number of -1. when oxygen is combined with fluorine it's oxydation number is +2

Answer:

2.96 x 10^-19 J

Explanation:

I just took the test

the correct answer is dissapate...but it is

not here so i think relativly the answer is destroy

Answer: What is the Flux that is Responsible for Transferring Carbon  from the Land to the Atmosphere?

Explanation:

The flux that is responsible for transferring carbon from the land to the atmosphere is called soil respiration.

{I Hope This Helps! :)}

Answer:

electric charges.

Explanation:

Conduction involves the transfer of electric charge or thermal energy due to the movement of particles. When the conduction relates to electric charge, it is known as electrical conduction.

An electron can be defined as subatomic particles that are negatively charged and as such has a magnitude of -1.

An electric current is produced when electric charges (electrons) move continuously and it's measured in Amperes through the use of an ammeter.

Ohm's law states that at constant temperature, the current flowing in an electrical circuit is directly proportional to the voltage applied across the two points and inversely proportional to the resistance in the electrical circuit.

Mathematically, Ohm's law is given by the formula;

\( V = IR\)

Where;

V represents voltage measured in voltage.

I represents current measured in amperes.

R represents resistance measured in ohms.

Answer:

Examples of physical endothermic processes: The melting of ice, the evaporation of water.

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Explanation:

Based on factors affecting bond length, the rank from shortest to longest bond length is SO42-, SO32- SO2.

The bond length of a bond is defined as the average distance between nuclei of two bonded atoms in a molecule.

The bond length is determined by the number of bonded electrons also known as bond order.

The higher the number of bonded electrons, the shorter the bond length and vice versa.

SO2 has the least number of bonded electrons, followed by S032- and then SO42-.

Therefore, the rank from shortest to longest bond length is SO42-, SO32- SO2.

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Oxidation occurs at the negative electrode.

Oxidation and reduction are two key concepts in electrochemistry. In a chemical reaction, oxidation is defined as the loss of electrons from an atom, while reduction is defined as the gain of electrons.

In an electrochemical cell, electrons are transferred between the two electrodes (positive and negative), and the electrode where electrons are being gained is the reduction electrode.

The electrode where electrons are being lost is the oxidation electrode. In this case, the negative electrode furnishes electrons, so it acts as the oxidation electrode. This means that the oxidation of species in the solution occurs at this electrode.

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Answer:

A

Explanation:

The bubbles formed from the plants are always oxygen. The photosynthetic reaction taking place in the plants release oxygen molecules.

Photosynthesis is the biochemical process of synthesizing chemical energy by green plants with the aid of light energy. They store this chemical energy in the form of glucose.

In photosynthetic reaction, water and carbon dioxide are combined to produce glucose and oxygen gas. The bubbles formed in the reaction is oxygen gas.

This process is an event in the carbon cycle to balance the amount of carbon dioxide in the atmosphere and in living matter. Photosynthesis provide the sufficient oxygen for respiration for animals. Hence, option A is correct.

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A sample of 380 registered voters in a state were asked which party's candidate they planned to vote for in an upcoming election. 172 of those surveyed said that they planned to vote for the Republican candidate. The sample proportion of voters who planned to vote for the Republican candidate is 0.453.

To calculate the sample proportion of voters who planned to vote for the Republican candidate, we divide the number of voters who planned to vote for the Republican candidate (172) by the total number of registered voters surveyed (380).

Sample proportion = Number of voters who planned to vote Republican / Total number of registered voters surveyed

Sample proportion = 172 / 380

Sample proportion = 0.45263158.

Rounding to three decimal places, the sample proportion of voters who planned to vote for the Republican candidate is approximately 0.453.

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