Which is best supported by the data in the chart

Answer: The middle hydrogen is surrounded by 4 electrons, the middle hydrogen is bonded to 2 elements, and there are too many electrons in the final structure are correct.

Explanation: I just did this question and got the correct answers.

The incomplete points about the structure H—H-O: is that the middle hydrogen is surrounded by 4 electrons, the middle hydrogen is bonded to 2 elements, and there are too many electrons in the final structure are correct.

For better understanding let's explain the Lewis structure

From the above we can therefore say that the answer The incomplete points about the structure H—H-O: is that the middle hydrogen is surrounded by 4 electrons, the middle hydrogen is bonded to 2 elements, and there are too many electrons in the final structure, is correct.

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Answer: 200

Explanation:

The answer is 200 kPa

Answer:

Give a brief question

Not an awful question

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.​

a. Consistency is a term that matches the description: The agreement between several measurements of the same quantity.

b. Density matches the description: Ratio between the mass and volume of a substance.

c. Outlier matches the description: In a series of measurements of the same quantity, one that is significantly different from the others.

d. Mean matches the description: Mathematical value reported when a quantity is measured multiple times.e. Immiscible is a term describing two liquids that do not mix together.

Definition: Immiscibility is the property of not being miscible. When two or more liquids are not able to form a homogeneous solution when combined, they are immiscible. The term "miscible" refers to the property of being mixed. Therefore, immiscible liquids cannot be mixed together or dissolved in one another.

Limiting reagent (also known as limiting reactant) is a chemical reaction term that refers to the substance that limits the quantity of product that can be formed in a chemical reaction. It is the substance that is entirely consumed first, preventing the other reactants from reacting further. The amount of product generated is determined by the quantity of the limiting reagent. In a chemical reaction, the quantity of the product produced is determined by the limiting reactant, and the rest of the excess reagents will remain unchanged.

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If a  circuit is arranged so that the current may take two or more different paths then it is a parallel circuit .

What is circuit.

circuit is a completely circular path where electricity flow.

A circuit consists a current source , conductor and a load.

It is a close path or a line forming boundary.

A parallel circuit comprises branches so that the current divided .

The rule of parallel circuit is all components share the same voltage .

It is simple safe and reliable it's allowed for additional components .

The application of parallel circuit is the electrical wiring to the power point in every household is in the form of parallel circuit.

That's why it's called parallel circuit.

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Answer:

Parallel circuit

Explanation:

Penn Foster

Answer:

All of us are exposed to radiation every day, from natural sources such as minerals in the ground, and man-made sources such as medical x-rays. According to the National Council on Radiation Protection and Measurements (NCRP), the average annual radiation dose per person in the U.S. is 6.2 millisieverts (620 millirem).

Explanation:

Formula

\(\ell=\frac{n h}{2 \pi}\)

\(\ell = angular \: momentum\)

\(n = principal quantum number \\ h = Planck's constant \\ \pi = pi\)

Answer:

The answer is A.

Explanation:

Universe was smaller and galaxies were closer together in past, galaxy collisions were common in past (distorted galaxies were common in early universe).

To assemble a model of methylcyclohexane in a chair conformation, you need to replace a hydrogen atom with a methyl group and then rotate the C-C ring bonds. There are two chair conformations possible for methylcyclohexane.


1. Start by drawing a cyclohexane ring, which consists of six carbon atoms in a ring shape.
2. Choose one carbon atom on the ring to replace with a methyl group (CH3).
3. Rotate the C-C ring bonds so that you adopt a chair conformation. In a chair conformation, the ring is shaped like a chair with alternating carbon atoms above and below the plane of the ring.
4. To interconvert between chair conformations, you need to change the relative positions of the carbon atoms above and below the ring.
5. If carbon atom 1 is initially above the plane formed by carbon atoms 2, 3, 5, 6, rotate it so that it points below the plane.
6. Similarly, carbon atom 4 should move from below the plane to above the plane to perform a ring-flip.

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In an alloy, the strength of the material is influenced by various factors, including the presence of solid solution strengthening.

Solid solution strengthening occurs when one element is dissolved in another, leading to the distortion of the crystal lattice and hindering dislocation movement, thereby increasing the material's strength.

Given that the strength of an alloy with 10% nickel is 150 MPa, we can expect that the strength of an alloy with 20% nickel would be higher. Increasing the percentage of nickel in the alloy leads to a greater distortion of the crystal lattice, resulting in stronger interactions between the dissolved nickel atoms and the copper matrix. This increased interaction prevents dislocations from moving easily, thus improving the strength of the alloy.

The exact increase in strength cannot be determined without additional information or knowledge of the specific properties of the nickel-copper system. However, based on general trends, we can anticipate that the strength of the alloy with 20% nickel would be greater than 150 MPa. The increase in nickel concentration would likely result in a stronger solid solution strengthening effect, leading to an overall stronger alloy.

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Answer:

are u good at geometry math? their are some questions I didn't understand it PLEASE

Answer:

A. Nasal cavity, pharynx, larynx, lungs

Explanation:

The nasal cavity, is the nose, the pharynx is the lining between nose and mouth, larynx is the passage that goes down to the lungs

Answer: milliliter

Explanation: Generally, the unit used to measure liquid are liter (L) and milliliter (mL). But the volume of liquid in a can of Coca-Cola is commonly measured in mL. Therefore, the correct answer is option b.

Answer:MILLMETER

Explanation:

Answer:

Hofamann Bromamide reaction

Explanation:

Option C

Answer:

c) Hofmann Bromamide reaction

Explanation:

The reaction in which Acetamide is converted to Methylamine is known as Hofmann Bromamide reaction. Thus, option (c) is the correct answer.

Answer: Atoms contain tiny, negatively charged electrons

Explanation: Thomson's experiments with cathode ray tubes helped him to discover the electron (which Dalton did not know about). Dalton thought that atoms were indivisible particles, and Thomson's discovery of the electron proved the existence of subatomic particles.

Acetals can be hydrolyzed using catalytic acid to produce a carbonyl compound and alcohol. If the acid concentration is increased, acetal can be hydrolyzed back to its initial aldehyde or ketone form.

This mechanism occurs in the opposite direction of the acetal formation mechanism. The hydrolysis of each acetal generates a carbonyl compound and an alcohol.What are Acetals?Acetals are organic compounds that are formed by the reaction of an aldehyde or ketone with two molecules of alcohol, and they have the following general structure: R1R2C(OR')2.Acetals can be regarded as derived from hemiacetals, which are formed by the reaction of an aldehyde or ketone with one molecule of alcohol.The carbonyl carbon in an acetal is bonded to two alkoxide (OR) groups, while the carbonyl carbon in a hemiacetal is bonded to only one. As a result, acetals are more stable than hemiacetals. Acetals are widely used in organic synthesis, including as protecting groups for carbonyl groups in reactions that would otherwise destroy them.Example:Acetal hydrolysis occurs when an acid catalyst is used to cleave the two ether bonds in the molecule. When an acetal is hydrolyzed with an acid catalyst such as H2SO4, a carbonyl compound and an alcohol are formed.Example:H2SO4 is added to the acetal, which hydrolyzes it, producing an aldehyde or ketone and two alcohol molecules. For example, if dimethyl acetal is hydrolyzed, it will yield acetone and two methanol molecules.

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Answer:

The answer is a) \(C_{4} H_{16} O_{5}\)

Explanation:

The other chemical formulas' subscripts share a common factor, so they can be simplified to an empirical formula, however, the subscripts in  \(C_{4} H_{16} O_{5}\) cannot be simplified any further, because they do not share any more whole-number factors with each other.

The balanced equation for the reaction is N2(g) + O2(g) → 2NO(g).

The given value for the enthalpy change of the reaction is ΔH = 180.6 kJ. This value represents the heat released per mole of N2 reacted.

To determine the number of moles of NO produced, we need to calculate the moles of N2 reacted. Since the reaction is exothermic, the heat absorbed by the reaction is negative (-2976 kJ). However, it is not physically possible to have a negative number of moles. Therefore, we can conclude that no NO is produced in this case because the heat absorbed is insufficient to drive the reaction.

Using the equation ΔH = -2976 kJ/mol N2, we can set up a proportion:

180.6 kJ/1 mol N2 = -2976 kJ/x mol N2

Solving for x, we find:

x = (-2976 kJ * 1 mol N2) / (180.6 kJ) ≈ -16.46 mol N2

Since the reaction produces 2 moles of NO for every mole of N2, the number of moles of NO produced is twice the number of moles of N2:

Moles of NO = 2 * (-16.46 mol) ≈ -32.92 mol

The given reaction is N2(g) + O2(g) → 2NO(g), and the enthalpy change of the reaction is ΔH = 180.6 kJ. If the reaction absorbs 2976 kJ of heat, the number of moles of NO that can be produced can be calculated. By setting up a proportion, we find that approximately -16.46 moles of N2 are reacted. Since the reaction produces 2 moles of NO for every mole of N2, the calculated moles of NO would be approximately -32.92. However, negative moles are not physically possible, indicating that no NO can be produced in this case due to insufficient heat absorbed by the reaction.

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Answer:

A. manganese change from +7 to +2

Explanation:

Reduction means a gain of electrons, which means the oxidation number will go down or the charge goes down basically or become more negative charge. On the left, Mn has +7 in MnO4-. On the right, it has 2+, so it has been reduced.

Answer:

See explanation

Explanation:

For the equilibrium; A + B ⇄C + D

At time = 0 secs, the concentration of products is zero while the concentration of reactants decreases steadily.

As time goes on, the concentration of the reactants continues to decrease while the concentration of products increases.

At equilibrium the concentration of both reactants and products are now the same because the rate of forward reaction is equal to the rate of reverse reaction are now the same.

Answer:

Explanation:

Q1

According to The Ideal Gas Equation :

Q2

Q3

Q4

Answer:

17

39.21

Explanation:

plz like and give it rating it would help a lot to me

Answer:

Electrochemistry is the study of chemical processes that cause electrons to move. This movement of electrons is called electricity, which can be generated by movements of electrons from one element to another in a reaction known as an oxidation-reduction (redox) reaction². An electrochemical reaction is a process that involves the transfer of electrons between a solid and a liquid, either caused or accompanied by an electric current¹. The electric current can be generated by a chemical reaction that liberates electrical energy, such as in a battery or a fuel cell¹. Alternatively, the electric current can be used to bring about a chemical reaction that does not occur spontaneously, such as in electrolysis¹.

(1) Electrochemistry Basics - Chemistry LibreTexts.

(2) Electrochemical reaction | Definition, Process, Types, Examples

(3) Electrochemical Reaction - an overview | ScienceDirect Topics.

(4) Electrochemical reaction mechanism - Wikipedia.

Answer:

i dont see the pic

Explanation:

Answer:

According to Gas Law

Volume is inversely proportional to pressure, if the number of particles and the temperature are constant. There are two ways for the pressure to remain the same as the volume increases.

Answer:

battery. you use it for your remotes. vinegar. you use vinegar for cooking of cleaning. nail polish remover. you use this for removing nail polish

Option (d), P=ATC=MR=MC, accurately represents the long-run equilibrium condition for perfect competition, reflecting the balance between price and cost for firms operating in a competitive market.

The long-run equilibrium condition for perfect competition is that price (P) is equal to average total cost (ATC), which is also equal to marginal cost (MC), and marginal revenue (MR).

Option (d), P=ATC=MR=MC, best represents the long-run equilibrium condition for perfect competition. In perfect competition, firms operate at the minimum point of their average total cost curve, where price equals both average total cost and marginal cost. This condition ensures that firms are earning zero economic profit and are producing at an efficient level.

In the long run, if firms are earning economic profit, new firms will enter the market, increasing competition and driving prices down. Conversely, if firms are experiencing losses, some firms may exit the market, reducing competition and causing prices to rise. This process continues until firms reach a state where price equals average total cost, marginal cost, and marginal revenue, ensuring a long-run equilibrium.

Therefore, option (d), P=ATC=MR=MC, accurately represents the long-run equilibrium condition for perfect competition, reflecting the balance between price and cost for firms operating in a competitive market.

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