What are three Possible overlaps that can occur during bond formation​

Answer:

Newton's first law states that every object will remain at rest or in uniform motion in a straight line unless compelled to change its state by the action of an external force. This is normally taken as the definition of inertia. ... If that velocity is zero, then the object remains at rest.

Explanation:

Answer:

Before Galileo and Newton, many people thought that objects lost speed because they had a built-in natural tendency to do so. But those people weren't taking into account the multiple forces here on Earth - for example, friction, gravity, and air resistance - that cause objects to change their speed. If we could see the motion of an object in deep interstellar space, we would be able to observe the natural tendencies of an object that is free from any external influence. In deep interstellar space we would observe that if an object had a speed, it would continue to move with that speed until there was some force causing a change in its motion. Likewise, if an object were at rest in interstellar space, it would remain at rest until there was a force causing a change in its motion.

Explanation:

Hope it helped you =)

An element is a substance that cannot be broken down by chemical means. Elements are extremely particular compounds that serve as the foundation for all life and matter (well other than the stuff smaller than atoms). It can contain one atom or trillions of them for anything to be an element, however atoms of different types cannot be combined in. That is to say, every atom has a set number of protons, ranging from 1 to 118. You can be positive that the substance you have is hydrogen if there is just one proton present. Mercury is what you get if you have 80 protons. Atoms of pure hydrogen only contain one proton. As most people are aware, if you add oxygen to it, it turns into water, which is no longer an element but a compound. Nevertheless, the building blocks are the elements. Every single object you can see is composed of elements, whether there are many of them, as there are in the human body, or only a few, as there are in salt.

A compound is a substance with a definite composition (with some leeway there, there are 'non-stoichiometric' compounds), that is composed of 2 or more elements.

Further explanation:

A compound in chemistry is a material that is created by mixing two or more distinct chemical elements in such a way that the atoms of the various elements are kept together by strong chemical bonds. These bonds form as a result of the sharing or exchange of electron s among the atoms. A molecule is the smallest, unbreakable unit of a substance.

A mixture is not a compound since there is no bonding between the atoms of the constituent substances in a mixture. In certain cases, mixing dissimilar elements causes chemical reactions that result in the formation of bonds between the atoms and the molecules of a compound. Other possibilities allow mixing distinct components without causing a reaction, preserving the separate identities of the elements. When elements are combined, reactions can happen quickly or slowly (for example, when iron is exposed to oxygen) (as when lithium is exposed to oxygen). There are times when an element is introduced to a chemical, a reaction takes place, creating new compounds (as when pure elemental sodium is immersed in liquid water).

A compound frequently looks and acts quite different from any of the constituent parts. Think about hydrogen (H) and oxygen, for instance (O). At standard atmospheric pressure and room temperature, both of these substances are gases. However, they combine to form the well-known material known as water, which is a liquid at room temperature and at normal atmospheric pressure and whose molecules each contain two hydrogen atoms and one oxygen atom (H2O).

Few elements' atoms readily combine with those of other elements to produce compounds. These gases—helium, neon, argon, krypton, xenon, and radon—are referred to as noble or inert gases. Compounds made of certain elements can be formed easily with other elements. Examples include fluorine, chlorine, and oxygen.

2) The adjective compound refers to something that is made up of several different components. Examples of this usage include compound eyes, which are found in a variety of insects, compound microscopes, which are high-power magnifying devices made up of multiple lenses, compound sentences, which are organized collections of smaller sentences that form a single integrated perceptual environment, and compound documents.

Answer:

Concentration of Flourine = 24.756%

Explanation:

Given that :

High-density polyethylene may be flourinated by inducing the random substitution of Flourine atoms for hydrogen.

the objective is to determine he concentration of Flourine (in wt%) that must be added if this substitution occurs for 12% of all the original hydrogen atoms.

At standard conditions , the atomic weight of the these compounds are as follows:

Carbon = 12.01 g/mol

Chlorine = 35.45 g/mol

Fluorine = 19.00 g/mol

Hydrogen = 1.008 g/mol

Oxygen = 16.00 g/mol

The chemical formula for polyethylene = (CH₂ - CH₂)ₙ

Therefore, for two carbons, there will be 4 hydrogens;

i.e

(CH₂ - CH₂)₂

( C₂H₄ - C₂H₄ )

Suppose the number of original hydrogen = 4moles

number of moles of Flourine F = 12% of 4

= 0.12 × 4

= 0.48 mol

∴ the number of remaining moles of Hydrogen is:

= 4 - 0.48

= 3.52 moles

number of moles of Carbon = 2 moles

∴ the mass of flourine F = number of moles of F × molar mass of F

= 0.48 × 19

= 9.12

The total mass of the compound now is = (0.48 × 19 ) + (3.52 × 1) + (2× 12)

= 9.12 + 3.52 + 24

= 36.64

Concentration of Flourine = (mass of flourine/total mass) × 100

Concentration of Flourine = (9.12/36.84 ) × 100

Concentration of Flourine = 0.24756 × 100

Concentration of Flourine = 24.756%

Air is not a good conductor of heat because its molecules are not in continuous or close contact with one another.

This is referred to as an object or type of material that allows the flow of charge in one or more directions and examples include metals such as iron, copper etc.

Air on the other hand have molecules which are not in close contact with one another unlike a solid thereby making conduction to be less effective. This is also because its molecules' vibrations does not immediately affect their neighbors thereby making it the correct choice.

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Water vapor has latent heat energy, which is absorbed or released during the process of changing states from liquid to gas or gas to liquid.When the sun's radiant energy hits the Earth's oceans, it causes the water molecules to absorb this energy and become more energized.

This leads to the water molecules breaking apart and transforming into water vapor, which is a gaseous state of water. Water vapor has a specific form of energy known as latent heat. This is the energy required to change the physical state of water from a liquid to a gas or from a gas to a liquid. The process of converting water into water vapor requires energy, and this energy is stored in the water vapor in the form of latent heat.

The amount of latent heat absorbed or released by water vapor is dependent on the temperature and pressure conditions. When the water vapor condenses back into liquid form, this latent heat is released into the atmosphere. This process plays a critical role in weather and climate patterns as it drives the movement of heat and moisture throughout the Earth's atmosphere.

In summary, water vapor has latent heat energy, which is absorbed or released during the process of changing states from liquid to gas or gas to liquid. This energy plays a vital role in the Earth's weather patterns and is a critical component of the Earth's energy balance.

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Answer:

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

Answer:

-70

Explanation:

work is being done, so 120 will be negative, heat is being gained, so 50 will be positive.

Delta E = -120 + 50 = -70 kJ

The enthalpy change of the reaction C(diamond) → C(graphite) is -2.9 kJ.

The given information is ΔHrxn for the reaction C(diamond) → C(graphite) can be calculated with the given equations:Equations:  C(diamond) + O2(g) → CO2(g) ΔH = −395.4 kJ  2 CO2(g) → 2 CO(g) + O2(g) ΔH = 566.0 kJ  C(graphite) + O2(g) → CO2(g) ΔH = −393.5 kJ  2 CO(g) → C(graphite) + CO2(g) ΔH = −172.5 kJThe required reaction can be obtained by adding the equations (1) and (4), as follows:C(diamond) + O2(g) + 2CO(g) → C(graphite) + 3CO2(g)Addition of the two equations (1) and (4) results in a reaction whose products are C(graphite) and CO2.

To get the final equation that involves only the required reactants and products, the equation (2) should be added, which consumes CO2 and produces O2, as shown below:C(diamond) + O2(g) → CO2(g)  ΔH = −395.4 kJ [eq. (1)]  2 CO(g) → C(graphite) + CO2(g)  ΔH = −172.5 kJ [eq. (4)]  2 CO2(g) → 2 CO(g) + O2(g)  ΔH = 566.0 kJ [eq. (2)]  C(diamond) + O2(g) + 2CO(g) → C(graphite) + 3CO2(g)  ΔHrxn=ΣΔHf(products)−ΣΔHf(reactants)  ΔHrxn=[(3 mol CO2)(-393.5 kJ/mol) + (1 mol C(graphite))(0 kJ/mol)] − [(1 mol C(diamond))(0 kJ/mol) + (1 mol O2)(0 kJ/mol) + (2 mol CO(g))(−172.5 kJ/mol)] − [(2 mol CO2)(566.0 kJ/mol)]  ΔHrxn=−2.9 kJ.

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Answer:

A

Explanation:

just do it

Answer:

woowwwww.... ur right Imao

Explanation:

Shower thoughts be like*

Based on the law of conservation of energy, the student is incorrect because energy is converted from other forms, not created.

When a person throws a ball up into the air, and the ball falls back toward Earth, the speed is lowest when the ball leaves the persons hand.

The law of conservation of energy states that energy is neither created nor destroyed but can be transformed from one form to another.

Based on the law of conservation of energy, the student is incorrect because Energy is converted from other forms, not created.

When an object is falling freely under gravity, it's speed is minimum is lowest when the object leaves the persons hand and is maximum just before the object hits the ground.

Therefore, when a person throws a ball up into the air, and the ball falls back toward Earth, the speed is lowest when the ball leaves the persons hand.

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Answer:

232 g.

Explanation:

12.9 mol x 18.106g = 232 g H₂O

Answer:

B

Explanation:

The final temperature of the water is: T_final = 45.0°C

We can use the formula for the specific heat capacity of the water to solve this problem:

q = mcΔT

First, we can calculate the initial energy of the water:

q = mcΔT

q = (10.0 g) (4.184 J/g°C) (25.0°C)

q = 1,046 J

Next, we can calculate the final temperature after absorbing 840 J:

q = mcΔT

840 J = (10.0 g) (4.184 J/g°C) (ΔT)

ΔT = 20.0°C

Therefore, the final temperature of the water is:

T_final = T_initial + ΔT

T_final = 25.0°C + 20.0°C

T_final = 45.0°C

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Answer: Electrophilic addition reaction

Explanation:

Alkenes are compounds which have at least one double bond between the carbon atoms in the molecule. This is an indication of a shortage of hydrogen atoms. The compound is said to be unsaturated. As an unsaturated compound alkene undergoes the following reaction:

-- Combustion reaction

-- Hydrogenation reaction

-- Addition reaction.

The addition reaction of alkenes occur due to the presence of pi electrons in which an electrophile attacks the carbon-carbon double bond to form the addition products. An electrophile is a molecule that has the affinity to react with other molecules containing a donatable pair of electrons.

A typical example of reaction between alkene and acid is in the decolourisation of acidified potassium tetraoxomanganate(VII) with ethene. The oxygen supplied to the reaction breaks the double bond to yield ethane 1,2 diol ( an alcohol).

The reaction of an alkene with the acid has been performed with the carbocation intermediate formation, followed by the nucleophilic substitution reaction.

The alkenes have been the hydrocarbons with the presence of one double bond in the structure. The double bond has been consisted of the pi electrons.

The alkene has been bonded with the pi-electron, thus in the chemical reaction the pi bond-breaking results in the partial negative and positive charge to the carbon atoms. The negative OH group has been the nucleophile that is attracted by the negatively charged carbon atom, and the bond formation results in the alcohol.

The reaction for an alkene with acid has been given in the image attached.

Thus, the reaction of an alkene with the acid has been performed with the carbocation intermediate formation, followed by the nucleophilic substitution reaction.

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Because NH3 molecules in the liquid phase require energy to overcome their intermolecular interactions and transform into free gas molecules, this expression reads NH3(l)— NH3(g). Heat is transferred from the environment to the system during phase shifts.

Ammonia has the chemical formula NH3 and is a colourless gas.Nitrogen and hydrogen make up its composition. Its name in aqueous form is ammonium hydroxide. This inorganic substance smells strongly. It is hazardous and corrosive in its concentrated form. Ammonia has a density of 0.769 kg/m3 at STP, making it lighter than air. It is frequently employed as fertiliser. Additionally, it is employed in the production of explosives like TNT and nitrocelluloseAdditionally, it is employed in the manufacture of soda ash and the Ostwald process to produce nitric acid. A strong alkali, such as sodium hydroxide or calcium hydroxide  2NH4Cl + Ca(OH)2 → CaCl2 + 2H2O + 2NH3(g) is heated with an ammonium salt, such as ammonium chloride NH4Cl, to produce ammonia (g)

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The solute-solvent interactions present in this solution are dipole-dipole interactions and dispersion forces.

The solute in this case is N(CH3)3, and the solvent is CH3CN.

N(CH3)3 is a polar molecule with a nitrogen atom in the center bonded to three methyl (CH3) groups. CH3CN is also a polar molecule.

The types of intermolecular forces that can be present in this solution are:

Therefore, the solute-solvent interactions present in this solution are dipole-dipole interactions and dispersion forces.

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Regenerate response

Coenzyme q carries electrons from complex I to complex III  and complex II to complex III  in the electron-transport chain.

Coenzyme q  (CoQ), also known as ubiquinone, is the electron carrier in the electron transport system (ETS) present on the inner membrane of mitochondria.

Ubiquinone is a ubiquitous quinone, which accepts electrons from complex II ( succinate dehydrogenase) and  reduces to ubiquinol ( reduced form)

The purpose of the ETS is to generate an H+ ion concentration, by carrying electrons obtained from NADH AND \(FADH_{2}\)   produced by the Krebs cycle and glycolysis in the mitochondrial matrix. This  H+ ion potential will be used by ATP synthase to generate ATP.

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The inner mitochondrial membrane contains CoQ, a key part of the mitochondrial electron transport chain (ETC), which moves electrons from complexes I and II to complex III to provide energy for proton translocation to the intermembrane gap.

An organelle called a mitochondrion can be found in the cells of the majority of Eukaryotes, including mammals, plants, and fungi. Adenosine triphosphate, which is produced by aerobic respiration in mitochondria with their double membrane structure, is used as a source of chemical energy throughout the entire cell.

Coenzyme Q10 takes electrons from reducing equivalents produced during the metabolism of fatty acids and glucose and then transports them to electron acceptors as part of the mitochondrial electron transport chain.

Ubiquinone, also known as coenzyme Q, is a lipophilic molecule that is found in all tissues and cells and is mostly found in the inner mitochondrial membrane. It is generally known that Coenzyme Q is an essential part of the oxidative phosphorylation process in mitochondria.

Thus, The inner mitochondrial membrane contains CoQ, a key part of the mitochondrial electron transport chain (ETC).

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1. We can actually deduce here that the picture is a political cartoon.

2. It actually depicts water pollution.

3. Precisely, it depicts the pollution of the sea water body.

4. The atmosphere looks untidy and smelly.

5. Yes, the picture poses a threat.

The introduction of toxins into the environment that have a negative impact on it is known as pollution. Any substance (solid, liquid, or gas) or energy can cause pollution (such as radioactivity, heat, sound, or light). Both naturally occurring contaminants and imported substances/energies can be considered pollutants, which are the elements of pollution.

6. The pollution depicted in the picture comes from drainage/sewage system.

7. People can avoid this kind of pollution by treating the waste before releasing it into the water body.

8. The pollution that should be stopped immediately is water pollution. This is because it affects human health and leads to the death of aquatic animals.

9. In order to avoid environmental pollution, one will have train and lecture people on ways to dispose waste properly.

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The mass of the flask filled with acetone is 69.945 g.

We are told that;

mass of empty flask = 49.745 g

density of acetone  = 0.792 g/mL

mass of flask and water = 75.250 g

Mass of water = mass flask when filled with water - mass of water

Mass of water = 75.250 g - 49.745 g = 25.505 g

Volume of water = mass of water / density

Volume of water = 25.505 g/1 g/mL

volume =  25.505 mL

Mass of acetone = 25.505 mL * 0.792 g/mL

= 20.2 g

Mass of flask filled with acetone = 20.2 g + 49.745 g

= 69.945 g

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Missing parts;

The mass of an empty flask is 49.74 g. What is the mass of the flask filled with acetone (Density = 0.792 g/mL) if the same flask weighs 75.2 g when filled with water?

Answer:

A. orqnges and bananas

B. Water and lemon juice

C. Air ( mixture of oxygen and nitrigen)

D. stones in water

E. smoke ( soot suspended in air)

F. coca cola ( Carbon dioxide dissolved in water)

When zinc and hydrochloric acid are combined in a test tube, then at least one new product formed is a gas. Therefore, option B is correct.

With the atomic number 30 and the symbol Zn, zinc is a chemical element. When the oxidation is eliminated, zinc transforms into a shiny-greyish metal that is slightly brittle at normal temperature. It is the first element in the periodic table's group 12.

Hydrogen gas is created when zinc combines with hydrochloric acid, which causes the process to bubble ferociously. Another sign that a chemical reaction is taking place is the generation of a gas.

Thus, option B is correct.

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Answer:

To convert joules to calories, you can use the conversion factor:

1 calorie = 4.184 joules

To find out how many calories are in 4,180 joules, divide the given value by the conversion factor:

4,180 joules / 4.184 joules per calorie = 0.9 calories (approximately)

Therefore, there are approximately 0.9 calories in 4,180 joules.

Answer:

I think it just h sur rn of sb

Answer:

Pressure = 2324.08 mmHg

Explanation:

We are given

Volume = 10L

No of moles = 1.26

Temperature = 23degree = 296k

Pressure = ?

using the ideal gas equation

PV = nRT

P = nRT/V

P = \(\frac{1.26*0.082*296}{10}\)  = 3.058atm

1 atm = 760mmHg

Pressure = 2324.08 mmHg

Answer:

5H2 + 4NO = 2N2 +4H2O + H2

Explanation:

Reactants:

Five molecules that contains two hydrogen = 5H2

Four molecules that contains one nitrogen and one oxygen = 4NO

Products:

Two molecules that contains two nitrogen = 2N2

Four molecules that contains one oxygen and two hydrogen = H2O

One molecules that contains two hydrogen = 1H2 or H2

The balanced chemical equation for the reaction will be: 5 H₂ + 4 NO → 2 N₂ + 4 H₂O + H₂, and there is no limiting reactant in this reaction.

To write the balanced chemical equation for the reaction, let's first identify the reactants and products based on the information provided:

Reactants:

5 molecules contain 2 white spheres (Hydrogen): 5 H₂

4 molecules contain 1 red (Oxygen) and 1 blue (Nitrogen) sphere: 4 NO

Products:

2 molecules contain 2 blue spheres (Nitrogen): 2 N₂

4 molecules contain 1 red (Oxygen) and 2 white (Hydrogen) spheres: 4 H₂O

1 molecule contains 2 white spheres (Hydrogen): 1 H₂

Now, let's write the balanced chemical equation by ensuring that the number of atoms of each element is the same on both sides of the equation:

Reactants: 5 H₂ + 4 NO

Products: 2 N₂ + 4 H₂O + 1 H₂

The balanced chemical equation for the reaction is:

5 H₂ + 4 NO → 2 N₂ + 4 H₂O + H₂

Now, let's determine the limiting reactant:

From the balanced equation, we can see that the stoichiometric ratio between H₂ and NO is 5:4. This means that for every 5 molecules of H₂, we need 4 molecules of NO for the reaction to proceed completely.

Since we have 5 molecules of H₂ and 4 molecules of NO, both reactants are present in the exact stoichiometric ratio required for the reaction. Therefore, neither H₂ nor NO is in excess, and both will be fully consumed during the reaction. As a result, there is no limiting reactant in this reaction.

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--The given question is incomplete, the complete question is

"Oxygen is represented by a red sphere. Nitrogen is represented by a blue sphere. Hydrogen is represented by a white sphere. In the reactants there are five molecules that contain two white spheres and four molecules that contains one red and one blue sphere. In the products there are two molecules that contain two blue spheres, four molecules that contain one red and two white spheres, and one molecule that contains two white spheres. What is the chemical formula for the limiting reactant in the reaction shown? chemical formula: Write the balanced chemical equation for the reaction, using lowest whole-number coefficients."--

The total gaseous mixture is 4.48 g.

The total gaseous mixture can be calculated using the ideal gas law: PV = nRT.

First, we need to convert the temperature to Kelvin: 27.0°C + 273.15 = 300.15 K.

Next, we can use the ideal gas law to calculate the number of moles of each gas:

For He: n = (1.12 atm) (2.00 L) / (0.08206 L·atm/mol·K) (300.15 K) = 0.0906 mol

For Ar: n = (4.53 g) / (39.95 g/mol) = 0.113 mol

The total number of moles of gas in the mixture is then:

n(total) = n(He) + n(Ar) = 0.0906 mol + 0.113 mol = 0.204 mol

Finally, we can calculate the total mass of the mixture:

m(total) = n(total) × M(avg)

where M(avg) is the average molar mass of the mixture, which can be calculated as:

M(avg) = (M(He) + M(Ar)) / 2 = (4.003 g/mol + 39.95 g/mol) / 2 = 21.98 g/mol

Thus,

m(total) = 0.204 mol × 21.98 g/mol = 4.48 g

Therefore, The total weight of the gaseous mixture is 4.48 g.

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