What will lithium and bromine make when they bond

Answer:

Atom 1. The ratio of Atom 1 to the diagram one is 1/2. It is the most closely related. Feel free to mark brainliest!

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For your question about diagram it is definitely A

Answer:

A

Explanation:

A battery is a device that converts chemical energy into electrical energy through a process known as an electrochemical reaction.

When a battery is connected to a circuit, the electrochemical reaction causes a flow of electrons from the anode to the cathode, generating an electric current that can power a device.

The metal chosen for the anode must be capable of losing electrons easily, while the metal chosen for the cathode must be capable of accepting electrons. The choice of metals can also affect the voltage and capacity of the battery, as well as its overall efficiency.

In general, the metals used in a battery should have a large difference in their electronegativity values, which determines how easily an atom can attract electrons. Common metals used in batteries include zinc, lithium, nickel, and cadmium.

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Answer:

The answer is C

Explanation:

Your answer is C because car pollutants going into the air isn't good at all

Therefore, the free energy change when 1.76 moles of Fe2O3(s) react at standard conditions is -271.5 kJ/mol.

To calculate the free energy change when 1.76 moles of Fe2O3(s) react at standard conditions, we need to use the standard thermodynamic data at 298K. The standard thermodynamic data provides us with the standard free energy change of formation for each compound involved in the reaction.

Using the given reaction equation, we can write the overall reaction as:

3Fe2O3(s) + H2(g) → 2Fe3O4(s) + H2O(g)

Using the standard free energy change of formation values for each compound, we can calculate the standard free energy change of the reaction (ΔG°rxn) using the equation:

ΔG°rxn = ΣnΔG°f(products) - ΣnΔG°f(reactants)

where Σn represents the sum of the stoichiometric coefficients of each compound.

At 298K, the standard free energy change of formation values for the compounds involved in the reaction are:

ΔG°f(Fe2O3) = -824.2 kJ/mol
ΔG°f(H2) = 0 kJ/mol
ΔG°f(Fe3O4) = -1118.5 kJ/mol
ΔG°f(H2O) = -237.2 kJ/mol

Plugging these values into the equation for ΔG°rxn, we get:

ΔG°rxn = (2 mol x (-1118.5 kJ/mol)) + (1 mol x (-237.2 kJ/mol)) - (3 mol x (-824.2 kJ/mol))
ΔG°rxn = -271.5 kJ/mol

Therefore, the free energy change when 1.76 moles of Fe2O3(s) react at standard conditions is -271.5 kJ/mol.

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Answer:

18 neutrons

Explanation:

In the element;

         ₁₇Cl

The number of electrons in the chlorine atom is 17.

The mass number of chlorine is 35.

  Mass number is the number of protons plus number of neutrons.

 Mass number  = Protons + neutrons

      Neutrons  = mass number  - protons

Number of protons in chlorine is 17;

 So;

         Neutrons   = 35 - 17  = 18

Answer:

don't know just supporting u

The unusually high boiling point of water (H2O) is primarily due to the presence of hydrogen bonding between water molecules. This unique intermolecular force is responsible for the exceptional properties of water, including its high boiling point.

Hydrogen bonding occurs when the hydrogen atom in one water molecule is attracted to the oxygen atom in a neighboring water molecule. This attraction is a result of the large electronegativity difference between oxygen and hydrogen. Oxygen is highly electronegative, causing a partial negative charge (δ-) on the oxygen atom and a partial positive charge (δ+) on the hydrogen atoms.

As a result of hydrogen bonding, water molecules form a network of intermolecular attractions, leading to a higher amount of energy required to break these bonds and convert water from the liquid phase to the gas phase. The energy required to disrupt the hydrogen bonds and convert water into vapor manifests as a higher boiling point compared to other substances with similar molecular weights.

Additionally, the presence of hydrogen bonding also contributes to other properties of water, such as its high specific heat capacity, density anomalies, and surface tension, which are vital for the maintenance of life and various natural processes.

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Melting point is the temperature at which a solid changes into a liquid at atmospheric pressure. Sulphur has more melting points than oxygen because of the presence of Sg molecules. Solid Sulphur, S8, consists of eight sulfur atoms bonded together in a puckered ring.

Each sulphur atom shares two bonds with neighboring sulfur atoms, forming a stable, puckered structure. The strength of the bond between atoms is determined by the attractive forces between the atoms' nuclei and the electrons in the bond, which are known as intermolecular forces. In oxygen molecules, the bonding between oxygen atoms is stronger than in sulfur molecules because oxygen molecules are more electronegative than sulfur molecules. Since the attractive forces between molecules in the solid and liquid states are weaker than those between atoms in the solid state, the melting point of oxygen is lower than that of sulfur.

Hydrogen oxide or water, H2O, is a polar molecule. Each water molecule has two hydrogen atoms and one oxygen atom that are covalently bonded. The hydrogen atoms are connected to one end of the oxygen atom in a "V" shape. The hydrogen sulfide (H2S) molecule, on the other hand, is non-polar. It has two hydrogen atoms and one sulfur atom, similar to water, but the three atoms are connected in a straight line. Because of the polar nature of water molecules, the intermolecular forces between molecules in the liquid and gas states are stronger than in hydrogen sulfide. This is why water has a higher boiling point than hydrogen sulfide. The polarity of molecules is determined by the electronegativity difference between atoms within a molecule. As a result, nitrogen's first ionisation energy is higher than oxygen's. The ionisation energy of nitrogen is +1402 kJ mol-1, whereas that of oxygen is +1313 kJ mol-1.

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At constant pressure the one  of these systems do work on the surroundings is the : C) A(g)  +  B(g)    ---->   3C.

The reaction is :

A(g)  +  B(g)    ---->   3C

The number of the moles of gaseous reactants :

n = 1 + 1 = 2

The number of the moles of gaseous of the products :

n = 3

Δn = 3 - 2 = 1

The work done is given as :

W = -Δn RT

W = - RT

Thus, the work is negative , so the systems do work on the surroundings. Therefore the system that works on the surroundings is the correct option is C) A(g)  +  B(g)    ---->   3C.

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The pillar of sustainability broken by recycling electronics in India is environmental sustainability. Implementing a law that restricts electronics recycling to the US would not necessarily be the most effective solution, as it overlooks the complex global dynamics of electronic waste management.

Recycling electronics in India often involves improper disposal methods, such as burning or dismantling without proper safety measures. This leads to environmental pollution, including the release of hazardous substances into the air, soil, and water, thus violating the principle of environmental sustainability.

However, simply mandating that electronics can only be recycled in the US may not be the most optimal solution. Electronic waste is a global issue, and restricting recycling to a single country disregards the fact that electronic products are manufactured and consumed worldwide. A more comprehensive approach to addressing electronic waste would involve international cooperation, strict regulations, and monitoring of recycling practices to ensure they meet environmental standards.

Efforts should focus on improving recycling practices globally, including promoting responsible electronic waste management, developing sustainable recycling infrastructure in multiple countries, and encouraging the adoption of safe and environmentally friendly recycling practices. This approach would foster global sustainability and address the challenges associated with electronic waste disposal more effectively than a geographically limited restriction.

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At equilibrium, the following statement must be true: iii. [Cl2] must equal [H2O].

To understand why this is true, let's analyze the chemical equation for the reaction between HCl and O2: 2HCl + O2 ⇌ 2Cl2 + H2O

The equation shows that 2 moles of HCl react with 1 mole of O2 to produce 2 moles of Cl2 and 1 mole of H2O. Based on this equation, we can examine the changes in the concentrations of the different species as the reaction proceeds towards equilibrium.

At the start of the reaction, the concentrations of HCl and O2 are higher, while the concentrations of Cl2 and H2O are lower. As the reaction proceeds, HCl and O2 react to form Cl2 and H2O, leading to a decrease in the concentrations of HCl and O2 and an increase in the concentrations of Cl2 and H2O.

At equilibrium, the forward and backward reactions occur at the same rate, resulting in no further net change in the concentrations of the reactants and products. This means that the concentrations of Cl2 and H2O will reach a constant value. Since the stoichiometric coefficient for Cl2 is 2 and for H2O is 1, the concentration of Cl2 will be twice the concentration of H2O at equilibrium. Therefore, [Cl2] must equal [H2O] for the equation to be balanced.

On the other hand, statements i. [HCl] must be less than [Cl2] and ii. [O2] must be greater than [HCl] are not necessarily true at equilibrium. The relative concentrations of HCl, Cl2, and O2 will depend on the initial conditions and the reaction conditions such as temperature, pressure, and the presence of a catalyst.

In conclusion, at equilibrium, the concentration of Cl2 must equal the concentration of H2O, but the concentrations of HCl, O2, and H2O can vary depending on the initial conditions and the specific reaction conditions.

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Answer:

Book on Table

Car at the Hilltop

Falling Objects

Skydiver

Hammering a Nail

Dam Water

Roller Coaster

Stretched Rubber Band

Simple Pendulum

Compressed Spring

Battery

Flashlight

Exothermic Chemical Reaction

Burning of Oil, Gas and Coal

Wind Turbine

Explanation:

have a nice day!

Answer:

When water changes to a solid or gas, it's said that water changes to a different state of matter

Explanation:

Even when water physical form changes, the molecules stay the same. Water's molecules contains two hydrogen atoms that is bonded with one oxygen atom.

Answer:

1d and 2d is the answer. Hope it helps

Answer:

569K

Explanation:

Q = 3.5kJ = 3500J

mass = 28.2g

∅1 = 20°C = 20 + 273 = 293K

∅2 = x

c = 0.449

Q = mc∆∅

3500 = 28.2×0.449×∆∅

3500 = 12.6618×∆∅

∆∅ = 3500/12.6618

∆∅ = 276.4220

∅2 - ∅1 = 276.4220

∅2 = 276.4220 + ∅1

∅2 = 276.4220 + 293

∅2 = 569.4220K

∅2 = 569K

When the temperature is increased, there is the increase in thermal energy of the system. The final temperature of the iron in kelvins is 570 K.

The energy is the ability to do work.

Given is the energy Q = 3.5 kJ = 3500 J, mass of sample m = 28.2 g, specific heat of iron Cp = 0.449 J(g•K).

The initial temperature in kelvins is T1 = 20°C = 20 + 273 = 293K

The heat is related to the temperature difference as

Q = m c ∆T

Substitute the values into the expression,

3500 = 28.2 × 0.449 × ∆T

3500 = 12.6618 × (T2 -T1)

T2 - T1 = 276.4220

T2 = 276.4220 K +293 K

T2 = 569.4220K

The temperature of the iron is approximately 570 K.

Thus, the final temperature of the iron in kelvins is 570K.

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Tollens' reagent is a solution of silver nitrate \((AgNO_3)\) and ammonia (\(NH_3\)) used to test for the presence of aldehydes. Therefore, the reagents needed for Tollens' reagent are:

\(AgNO_3\), \(NH_3\)

To prepare Tollens' reagent, you will need the following reagents: ammonium hydroxide and silver nitrate. Here is a step-by-step explanation:

1. Dissolve a small amount of silver nitrate in water.
2. Slowly add ammonium hydroxide to the silver nitrate solution until a brown precipitate of silver oxide forms.
3. Continue adding ammonium hydroxide until the brown precipitate redissolves, forming a clear solution. This clear solution is Tollens' reagent.

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Answer:

I did not understand the question

Answer:

Solids, liquids and gases are called the three states of matter. I think the answer is density. In general, solids are denser than liquids, which are denser than gases. Also solids have a fixed shape and a fixed volume. Liquids have a fixed volume, but no fixed shape. Gases have neither a fixed volume nor a fixed shape.

Explanation:

Hope this helps

Bond in which valence electrons are not bound to any particular atom in the solid is known as Metallic Bond.

In metallic bonds, electrons of valence shell do not belong to any any single atom or ion. They exists as cloud of electrons and they are free to drift.

Metallic bonding is responsible for shiny surface, malleability, and their conductivities of metals

The metallic bond becomes weak at melting point and get completely broken at boiling points.

The factors that affect the strength of metallic bonds are number of delocalized electrons, Magnitude of positive charge  and Ionic radius of the cation.

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There is the neutron's total kinetic energy. E is the same as the final kinetic energy of the EF-2 carbon nucleus. Okay, I'm down one from k E F one. In other words, Jews, this is 1.3 incremental -13 -4, -3.69 into 10 to the Power -14. 1.3 into a power of 10 to the -13th Minour.

Two will equal twelve in one if we subscribe one river to the neutron and another to carbon. Okay. EI one, which is a brand-new drone's first kind of technology, is equivalent to one three into ten to thirteen. For the first support, no. Half of Mnu square is equal to E I and E F, respectively, as well as one V squared. Additionally, if you apply the law of conservation of momentum, M 1 - M 2 will equal 1 + M 2 into Vi, giving you v = 2 and M 1 - M 2. And to you, multiplied by M1 + M2, is mmhmm.

As a result, if you substitute, the answer to the second equation will be K E F 1, which is equal to half of M 1, which is divided by M 1 plus M 2 entire square to give you square. We make this much simpler. And if we divide KEF one by KEI one, we get four, which is equal to M1 plus M2 divided by M1. Cool square, can you divide 4 M1 12 by M 1 + 12? My father has all this. One divided by M. They were by 1 69, which is equal to 40.

This serves as the first support's response. The final kinetic energy is provided by k e F one as a result of the neutron's current technology being transmitted to carbon during the collision's second support. That is equivalent to 3.69 into 10 and 48 x 1, respectively, and to 1.3 into 10 to the power of 13 and 69. Jews, to the Power -14. There is the neutron's total kinetic energy. E is the same as the final kinetic energy of the EF-2 carbon nucleus. Okay, I'm down one from k E F one. In other words, Jews, this is 1.3 incremental -13 -4, -3.69 into 10 to the Power -14. 1.3 into 10 to the power -13 Minor of the original solution.

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Answer:

If the electronegativity difference (usually called ΔEN) is less than 0.5, then the bond is nonpolar covalent. If the ΔEN is between 0.5 and 1.6, the bond is considered polar covalent. If the ΔEN is greater than 2.0, then the bond is ionic.

Explanation:

Hope this helped :)

The structures provided for the isomeric pairs. Isomers are pairs of compounds with the same molecular formula but different structures. 

To determine the number of configurational isomers for each compound, first draw each structure:

4-chloro-3-hexen-2-ol:
The structure of 4-chloro-3-hexen-2-ol contains a double bond between carbons 3 and 4 and an OH group at carbon 2. Since the double bond can have two possible configurations (cis or trans), there are two configurational isomers for this compound.

2,4-hexadiene:
The structure of 2,4-hexadiene contains two double bonds, one between carbons 2 and 3, and another between carbons 4 and 5. Each double bond can have two possible configurations (cis or trans), so there are a total of 2 x 2 = 4 configurational isomers for this compound.

3-chloro-1,4-pentadiene:
The structure of 3-chloro-1,4-pentadiene has a double bond between carbons 1 and 2, another double bond between carbons 4 and 5, and a Cl atom at carbon 3. Since the two double bonds are not adjacent, there are no cis or trans configurations to consider. Therefore, there is only one configurational isomer for this compound.

It seems that the structures provided for the isomeric pairs.

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The question pertains to the classification of statements regarding penetration and shielding as true or false, assuming that all lower-energy orbitals are fully occupied.

Penetration and shielding are two important concepts in the study of atomic structure, particularly in the context of the electronic configuration of atoms. Penetration refers to the ability of electrons in higher energy orbitals to enter the space occupied by electrons in lower energy orbitals, while shielding refers to the reduction in the effective nuclear charge experienced by an electron in an atom due to the presence of other electrons between it and the nucleus. Understanding these concepts is important in explaining the chemical behavior of elements and their placement in the periodic table. The study of atomic structure is a fundamental topic in chemistry and is important in many applications, including materials science and catalysis.

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Answer:

Every bacterial species has specific growth temperature requirements which is largely determined by the temperature requirements of its enzymes.

Answer:

music amplifier or a loudspeaker

Explanation:

A music amplifier or a loudspeaker are a few devices that convert electrical energy into sound energy.

As it is a well known fact that energy can neither be created nor be destroyed it can only change from one form to the other. As here it is changing from electrical to sound.

The parts of the periodic table are;

1) Alkali earth metals

2) Alkaline earth metals

3) Metals

4) Transition metals

5) Lanthanides

6) Actinides

7) Noble gases

8) Halogens

9) Nonmetals

10) Metalloids

The periodic table is a tabular representation of the chemical elements arranged in order of their atomic number, electron configurations, and chemical properties.

The table is divided into rows and columns, with each row (also called a period) corresponding to a different energy level of the atom's electrons, and each column (also called a group or family) representing elements with similar chemical properties.

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