PLZ ASAPThe model shows how the Sun fuses two nuclei of hellum-3 into beryllium-6. Since beryllium-6 is unstable, it will decay into smaller nuclei. What additional product completes the model?

Particle X represents Protons

Particle Y represents Electrons

Particle Z represents Neutrons

An atom consist of three subatomic particles which are

In the nucleus of an atom, we have the proton and neutron. Protons are positively charged while neutrons have no charge.

Electrons are located outside the nucleus and are negatively-charged.

In the given diagram,

X has a positive charge which indicate that X represents protons.

Z is in the nucleus of the atom, and has no charge. This indicates that Z represent neutrons.

Y is located outside of the nucleus, thus, Y represents electrons.

Hence,

Particle X represents Protons

Particle Y represents Electrons

Particle Z represents Neutrons

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Answer: F

Explanation: As we move from left to right in a period, electron affinity increases due to the increases in the effective nuclear charge.

However, it will not be easier to add an electron to a smaller atom. As we move in a group from top to bottom, electron affinity decreases but flourine has the smallest size in its group. So, on adding another electron externally to the valence shell causes severe electron-electron repulsion.

To obtain the molecular formula of the compound, the empirical formula C₂H₅ should be multiplied by 93.

The empirical formula provides the simplest ratio of atoms in a compound. In this case, the empirical formula C₂H₅ indicates that there are 2 carbon atoms and 5 hydrogen atoms present.

The molecular formula weight can be calculated using the equation:

Molecular formula weight = (Empirical formula weight) × n

The empirical formula weight can be calculated by summing the atomic weights of the atoms in the empirical formula:

Substituting the atomic weights of carbon and hydrogen, we have:

(2 × 12.01 g/mol) + (5 × 1.01 g/mol) × n = 494.845 g/mol

Simplifying the equation:

24.02 g/mol + 5.05 g/mol × n = 494.845 g/mol

Rearranging the equation and solving for n:

5.05 g/mol × n = 494.845 g/mol - 24.02 g/mol

5.05 g/mol × n = 470.825 g/mol

n ≈ 470.825 g/mol ÷ 5.05 g/mol

n ≈ 93.22

Since n represents an integer value, rounding 93.22 to the nearest integer gives us n ≈ 93.

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Answer:

it's rn and the atomic number is 86 if u needed that

Explanation:

:)

Answer:

Answers Anonymous answered Sulfur has 6 valence electrons so it needs 2 more for an octet and it will then have a charge of negative 2

Explanation:

Electron Geometry: SBr - Trigonal Bipyramidal, CH3Br - Tetrahedral, ВС - Linear, PF3 - Tetrahedral

The electron geometry of a molecule is determined by the arrangement of electron pairs around the central atom, regardless of the presence of lone pairs. In the case of SBr, the sulfur atom has one lone pair and four bonding pairs, resulting in a trigonal bipyramidal electron geometry. CH3Br has four bonding pairs around the central carbon atom, leading to a tetrahedral electron geometry. ВС consists of two atoms bonded in a linear arrangement, resulting in a linear electron geometry. PF3 has three bonding pairs around the central phosphorus atom, leading to a tetrahedral electron geometry.

The molecular geometry, on the other hand, describes the arrangement of the atoms in a molecule, taking into account both bonding and lone pairs. SBr2 has a trigonal planar molecular geometry since it has three bonding pairs and no lone pairs around the central sulfur atom. ВСЬ has a linear molecular geometry since it consists of two atoms bonded in a straight line. PF3 has a trigonal pyramidal molecular geometry due to its three bonding pairs and one lone pair of electrons around the central phosphorus atom. CH3Br has a tetrahedral molecular geometry as it has four bonding pairs and no lone pairs around the central carbon atom. Electron geometry and molecular geometry to understand how the arrangement of electron pairs and atoms determines the shape of molecules.

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Answer:

When a solid dissolves the solid (solute) and the liquid (solvent) form a very close intimate mixture called a solution. :)

(Brainliest?)

Explanation:

Compounds can be categorized as exhibiting either ionic bonding or covalent bonding. Ionic bonding occurs when there is a transfer of electrons from one atom to another, resulting in ions with opposite charges being attracted to each other and forming a bond.

In contrast, covalent bonding occurs when atoms share electrons to fill their outermost electron shells and form a stable molecule. To determine whether a compound exhibits ionic or covalent bonding, one can consider the electronegativity difference between the atoms involved in the bond. If the electronegativity difference is large greater than 1.7, the bond is considered ionic.

If the electronegativity difference is small less than 1.7, the bond is considered covalent. For example, NaCl sodium chloride exhibits ionic bonding because the electronegativity difference between sodium and chlorine is 2.1, which is greater than 1.7. In contrast, H2O (water) exhibits covalent bonding because the electronegativity difference between hydrogen and oxygen is 1.4, which is less than 1.7.

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Yes, \(Br^{-}\) and \(Cl^{-}\) ions both can be positively identified through  precipitation reaction or precipitimetry.

Through titration employing precipitation reaction or precipitimetry, these two ions can both be positively identified. When exposed to Cl- and Br- ions, AgNO3 transforms into silver halides. AgNO3 with Cl- ions precipitates white because AgCl is not particularly soluble in water, whereas AgNO3 with Br- ions precipitates cream.

A very light cream precipitate results from mixing cream and white ppt.

Both halides react as described below:

\(AgNO_{3}+ XCl\)\(= AgCl_{whiteppt.}\)

\(AgNO_{3}+ XBr\) \(= AgBr_{creamppt.}\)

Now, While AgBr does not dissolve in diluted ammonia, this AgCl precipitate does to create an Ag-diammonium ion combination. Two facts, including the fact that the ppt shade is now darker than the prior pale cream, demonstrate this. As a result of the addition of an ammonia solution, it becomes less concentrated, although some cream precipitates persist.

Second, concentrated ammonia dissolves the AgBr precipitate. AgBr precipitates dissolve when cream precipitate is filtered and concentrated ammonia is added. In solution Br- ions are confirmed by this.

\(Ag^{+}+NH_{3}\) ⇄ \((AgNH_{3} )_{2} ^{+}\)

The foregoing reaction switches in the right direction after the addition of diluted ammonia solution, and more and more Ag+ ions are complexed, producing the soluble form of Ag-diammonium complex.

Brown globules are produced when CHCl3 is added to the mixture and agitated.

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The oxide which is most likely to be acidic in water is option (B) CO₂.

An oxide is a chemical compound that consists of oxygen and other elements.

Oxides are the most common minerals on the planet. Oxides can be divided into acidic, basic, and amphoteric, depending on their acidity or alkalinity in water.

Acidic oxides are oxides that can dissolve in water to create acids.

Basic oxides are oxides that can dissolve in water to create bases.

Amphoteric oxides are oxides that can behave as either acid or base in water.

Carbon dioxide is an acidic oxide, it dissolves in water to form carbonic acid which is acid. carbon dioxide has no hydrogen so it is not an acid itself. but like any non metal oxides CO₂ dissolves in water to give an acidic solution.

CaO, Cs₂O and Li₂O are basic oxides, and Al₂O₃ is an amphoteric oxide.

Therefore, option (b) CO₂ is correct.

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Answer:

Think about it. Chemistry is the study of matter.

Explanation:

Anything that has mass and takes up space, and the changes that matter will have when it is in different environments or conditions. Chemistry is used everyday with the development of plastics, wood burning, prescriptions, cosmetics, etc. Everything you touch is made of an element. there's 5 branches of chemistry including Biochemistry, organic chemistry and physical chemistry. -(you find the others).

Chemistry studies our surroundings on a molecular level through atoms and molecules with chemical reactions and understanding the specific properties. There are patterns on the periodic table you should check out.

good luck and have fun!

Answer:

chemistry is the study of structure of substance and what happens to them in different conditions

Covalent bonds within water molecules are stronger than hydrogen bonds between them.

A covalent bond is a sort of chemical link created when two or more atoms share electrons. In a covalent bond, the atoms share electrons in order to complete their valence shells, creating a stable and powerful link.

In water molecules, there are two basic kinds of chemical bonding: covalent bonds and hydrogen bonds. Between the hydrogen atoms of one water molecule and the oxygen atom of another water molecule, hydrogen bonds are created. Compared to covalent bonds, they are relatively weak interactions, yet they are potent enough to have a significant impact on how water behaves.

The oxygen and hydrogen atoms of a single water molecule, on the other hand, create covalent connections. Since covalent bonds require the exchanging of electrons between atoms, they are stronger than hydrogen bonds. These connections form a solid and cohesive structure that gives water its special characteristics.

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The approach of using highly sensitive carbon nanotube adhesive films enables crack growth detection under flexural load in composite structures.

Composite structures, which are widely used in various industries such as aerospace and automotive, are susceptible to internal cracks that can compromise their structural integrity. Detecting and monitoring the growth of these cracks is crucial to ensure the safety and reliability of these structures.

One promising approach to crack growth detection is the use of highly sensitive carbon nanotube (CNT) adhesive films. These films are composed of a network of carbon nanotubes dispersed in an adhesive matrix. When applied to the surface of a composite structure, they can effectively detect the initiation and propagation of cracks.

The high sensitivity of CNT adhesive films is attributed to the unique properties of carbon nanotubes. Carbon nanotubes possess exceptional mechanical, electrical, and thermal properties, making them excellent candidates for crack sensing applications. When a crack initiates and grows in the composite structure, it disrupts the alignment of the carbon nanotubes in the adhesive film, resulting in changes in their electrical conductivity.

By monitoring the electrical conductivity of the CNT adhesive film using appropriate sensing techniques, it is possible to detect and track the growth of cracks in real-time. This enables timely interventions to prevent catastrophic failures and allows for proactive maintenance and repair of the composite structures.

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to treat bipolar disorders. True Statement(s):In patients with bipolar II, lithium is often taken with an SSRI.,Side effects of lithium usually diminish in a few weeks, Cognitive-behavioral training may be necessary to get clients to keep taking lithium.

False Statement(s) It stabilizes moods and works particularly well to bring up depressed mood.,Clients are frequently happy to have their moods become more stabilized after taking lithium.People with bipolar disorder have occurrences of serious depression in addition to incidents of manic episodes, which also include overwhelming joy, enthusiasm, or joy, enormous energy, a lowered need for slumber, and reduced nervousness. Bipolar disorder is a highly individual experience. Nobody shares the same experience as another. A mood disorder characterised by moods ranging from bouts of depression to manic highs. The precise cause of bipolar is unknown, but genetics, environment, as well as altered brain structure as well as science may all play a role. Lithium diminishes the frequency and severity of manic episodes (the increased, feeling of euphoria end of the mood scale) and it may aid in the diagnosis of bipolar depression.  lithium may assist you in overcoming them.

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the identity of element E in the nuclear reaction (238)U --> (234)E + (4)He is thorium (Th).

What is Nuclear Reaction?

A nuclear reaction is one in which the nucleus of an atom is transformed into the nucleus of one or more daughter nuclei. This differs from a a chemical reaction in which atoms are changed from one form to another.

To identify the element E in the nuclear reaction (238)U --> (234)E + (4)He, we need to consider the conservation of mass number and atomic number.

In the given reaction, the mass number is conserved, as 238 = 234 + 4. This indicates that the total mass on the left side (238) is equal to the total mass on the right side (234 + 4).

Next, we consider the atomic number. The atomic number is the number of protons in the nucleus of an atom. In the reaction, uranium (U) has an atomic number of 92. Since helium (He) has an atomic number of 2, the sum of the atomic numbers on the right side should be equal to the atomic number on the left side.

92 (atomic number of U) = atomic number of E + 2

Solving this equation, we find:

atomic number of E = 92 - 2 = 90

The element with atomic number 90 is thorium (Th).

Therefore, the identity of element E in the nuclear reaction (238)U --> (234)E + (4)He is thorium (Th).

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Answer:

I think its b be ause it looks like a better answer and it has some detail to it

The dissociation curve of hemoglobin is influenced by various factors, including the partial pressure of carbon dioxide, temperature, pH, and the presence of 2,3-DPG.

High partial pressure of carbon dioxide (CO2): An increase in the partial pressure of carbon dioxide shifts the dissociation curve to the right. This is known as the Bohr effect. Elevated CO2 levels indicate increased metabolic activity or higher levels of carbon dioxide produced during respiration. The shift to the right allows for more efficient release of oxygen from hemoglobin in tissues where oxygen demand is high.

Increasing temperature: An increase in temperature also shifts the dissociation curve to the right. Higher temperatures typically occur in metabolically active tissues, where oxygen demand is increased. The shift to the right enhances the unloading of oxygen from hemoglobin, facilitating oxygen delivery to the tissues.

Decreasing pH (acidic conditions): A decrease in pH, resulting in increased acidity (e.g., during exercise or in tissues with high metabolic rates), causes a rightward shift of the dissociation curve. This phenomenon is also known as the Bohr effect. The decrease in pH decreases the affinity of hemoglobin for oxygen, facilitating oxygen unloading in acidic environments.

Presence of 2,3-Diphosphoglycerate (2,3-DPG): 2,3-DPG is a molecule that is present in red blood cells and helps regulate the affinity of hemoglobin for oxygen. Higher levels of 2,3-DPG, which can occur in conditions such as chronic hypoxia or anemia, shift the dissociation curve to the right. This shift allows for more efficient unloading of oxygen from hemoglobin, ensuring that oxygen is delivered to tissues in need.

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Answer:

True

Explanation:

In general, metals are located on the left of the periodic table. Nonmetals are on the right. This means that they are on opposite sides.  So the answer is True.

Explanation:

D.the electrons in the wire begin to flow

When a compound containing barium ions is heated in a Bunsen burner flame, the flame will appear yellow-green in color. This is due to the presence of barium ions in the flame, which emit photons with an energy of 5.90 x 10-19 J.

Barium ions are positively charged atoms or molecules that contain the element barium. Barium ions are formed when a barium atom gains or loses one or more electrons. Barium ions are found in various compounds, and they play an important role in various biological, chemical, and industrial processes. For example, barium ions are used to detect the presence of certain gases in the atmosphere, and they can be used as an additive in plastics and other materials. In addition, barium ions are used in medical imaging and in the production of glass and ceramics.

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We would need approximately 30.12 ml of 16.6 molar perchloric acid to prepare 250.0 ml of a 2.00 molar solution.

To calculate the volume of 16.6 molar perchloric acid needed to prepare a 2.00 molar solution, you can use the formula:

M1.V1=M2.V2

Where:

M1=molarity of the concentrated acid

V1= volume of the concentrated acid

M2 = molarity of the desired solution

V2= volume of the desired solution

Rearranging the formula, we get:

V1=M2.V2/M1

Now, let's substitute the values:

V1=2.00ML×250.0ML/16.6M

Simplifying the expression:

V1=500.0/16.6

Calculating this, we find:

V1≈30.12ml

Therefore, you would need approximately 30.12 ml of 16.6 molar perchloric acid to prepare 250.0 ml of a 2.00 molar solution.

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They tell us that the pressure of the gas is constant and the temperature and volume vary. If we assume that the gas behaves like an ideal gas, we can apply Charles's law, which tells us:

where,

V1 is the initial volume, 3.62L

T1 is the initial temperature, 21.6°C=294.75K

V2 is the final volume, 3.45L

T2 is the final temperature, in Kelvin

Now, we clear T2 and replace the known data:

The temperature at which the volume of the gas is 3.45 L will be 281K

Answer. b) 281K

Answer:

Water plays many important roles in the body including,flushing waste from the body,regulating body temperature,transportation of nutrients and is necessary for digestion.No wonder it is considered "essential"!.Plain water is the best choice for hydrating the body.

Explanation:

hope it helps you><

The carburizing time necessary to achieve a carbon concentration of 0.30 wt% at a position 4 mm into an iron-carbon alloy is 63.4 hours.

To determine the carburizing time necessary to achieve a carbon concentration of 0.30 wt% at a position 4 mm into an iron-carbon alloy, we can use Fick's second law of diffusion:

\(DC_{surface} / 2 = (C_{surface} - C_{4mm}) / erf(x / (2 * \sqrt{Dt} ))\\\)

where D is the diffusion coefficient, \(C{surface}\\\) is the surface carbon concentration (0.90 wt%), C_4mm is the carbon concentration at the position 4 mm into the alloy (0.10 wt%), x is the distance from the surface (4 mm), and t is the carburizing time we want to find.

We can use the diffusion coefficient for γ-Fe at 1100°C from Table 5.2, which is D = \(6.0 * 10^{-12} m^2/s.\)

Substituting the given values, we get:

\((6.0 * 10^{-12} m^2/s) * (0.90 - 0.30) / 2 = (0.90 - 0.10) / erf(4 mm / (2 * \sqrt{6.0 * 10^{-12} m^2/s} ))\)

Simplifying the left-hand side, we get:

\(1.8 * 10^{-12} m^2/s = (0.80) / erf(4 mm / (2 * \sqrt{(6.0 * 10^{-12} m^2/s) * t)})))\)

Taking the inverse error function of both sides, we get:

\(erf(4 mm / (2 * \sqrt{6.0 * 10^{-12} m^2/s) * t)} ) = 0.000346\)

Substituting this back into the previous equation, we get:

\(1.8 * 10^{-12} m^2/s = (0.80) / 0.000346\)

Solving for t, we get:

t = 63.4 hours

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The correct option for chemically balanced equation is - d. 3Fe + 4\( H_{2}\)O > \( Fe_{3}\)\( O_{4}\) + \( H_{2}\).

The mentioned chemically balanced reaction states reaction between iron and water to produce iron oxide and hydrogen. Fe represents iron, \( H_{2}\)O represents water, \( Fe_{3}\)\( O_{4}\) represents iron (II, III) oxide and \( H_{2}\) represents hydrogen.

Iron oxides are commonly found in human body and environment. It is present in body as haemoglobin and in nature as ores. The applications are as catalyst, paints, concretes, thermites etc. Iron oxides possess multiple properties including large surface area, magnetic properties and low toxicity. The low toxicity makes it a suitable candidate for therapeutic purposes in human body by participating in drug delivery, magnetic coatings, biosensors, and other purposes like wastewater purification, magnetic data storage etc.

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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.​