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10 electrons can there be in energy level

The d sublevel has 5 orbitals, so can contain 10 electrons max.

Electrons exist around the nucleus of an atom in discrete, specific orbits.

Electrons can not just exist at any distance from the nucleus. These orbits

are called levels and we number them 1, 2, 3, 4, and so forth with the 1st

level being the orbit closest to the nucleus.

The levels can be broken down into sublevels. We have s, p, d, and f

sublevels. Level one has one sublevel – an s. Level 2 has 2 sublevels - s

and p. Level 3 has 3 sublevels - s, p, and d. Level 4 has 4 sublevels - s, p,

d, and f. The sublevels contain orbitals. Orbitals are spaces that have a high

probability of containing an electron. In other words, an orbital is an area

where the electrons live. There can be two electrons in one orbital

maximum. The s sublevel has just one orbital, so can contain 2 electrons

max. The p sublevel has 3 orbitals, so can contain 6 electrons max. The d

sublevel has 5 orbitals, so can contain 10 electrons max. And the 4 sublevel has 7 orbitals, so can contain 14 electrons

max.

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The value of ΔE is 223J when a cylinder and piston assembly (defined as the system) is warmed by an external flame.

The energy in the system must conserve according to the first law of thermodynamics:

ΔE = Q - W

In this equation, E stands for internal energy, Q for heat flow (which is positive if the system absorbs the heat and negative if it releases heat), and W for work (positive if the system is expanding, and negative if the system is compressing).

Q so equals +586 J, and W equals +363 J.

ΔE = 586 - 363

ΔE = 223J

A version of the law of conservation of energy modified for thermodynamic processes is known as the First Law of Thermodynamics.

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The molecular structure is obtained by solving the Schrödinger equation, a quantum mechanical equation for the motion of electrons in the field of nuclei.

The three-dimensional configuration of the atoms that make up a molecule is known as molecular geometry. In addition to bond lengths, bond angles, torsional angles, and any other geometrical factors that affect each atom's position, it also includes the molecule's overall shape. The Schrödinger equation, a quantum mechanical equation for the motion of electrons in the field of nuclei, can theoretically be used to determine the molecular structure. The bond lengths and bond angles in a molecular structure are those where the molecular energy is lowest.

Here,

The structure is in image.

The Schrödinger equation, a quantum mechanical equation for the motion of electrons in the field of nuclei, is solved to yield the molecular structure.

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Alkanes which are the hydrocarbons functional group contains only nonpolar covalent bonds.

Functional groups are collections of atoms that have a common pattern of chemical reactivity.

Alkane a hydrocarbon with no multiple bonds is an alkane

Characteristics: nonpolar

Geometry: tetrahedral (sp3 hybridized)

Reactivity: free radical reactions (e.g. free radical chlorination or bromination).

A hydrocarbon with at least one C–C double bond (π bond) is an alkene.

Characteristics: nonpolar. Molecule cannot rotate along double bond.

Geometry: trigonal planar (sp2 hybridized)

Reactivity: undergo addition reactions, as well as oxidative cleavage

Stability increases with increasing  of carbons attached.

A carbonyl (C=O) attached to a hydrogen and another carbon is an aldehyde Ethanal Propanal Butanal.

Examples: Benzaldehyde

Suffix: "-al" (if attached to ring: carbaldehyde) As a substituent: "oxo"

Characteristics: the C=O bond is somewhat polar

Reactivity: addition reactions (the carbonyl carbon reacts easily with nucleophiles)

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"0.040 M SrBr2" is option (e). As all other alternatives have higher concentrations of common ions than Cu+ or Br-, the lowest concentration of Br- is 0.0100 M.

Explanation:

- The ordinary ion Br- has a higher concentration in 0.040 M solution, which in itself is 2 x 0.040 М = 0.080 M higher content than all the choices. Due to the common ion effect, which is caused by the presence of Ag+ or Br-, as AgBr's equilibrium shifts in a backward direction, the immersion of AgBr will decrease.

Among the following aqueous media would you anticipate to have AgCl's solubility to be the lowest?

Since water serves as the solvent over all instances, the maximum amount of Ag+ and Cl- AgCl may be the least sensitive of all the ions that can be precipitated in the BaCl2.

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"0.040 M SrBr2" is option (e). As all other alternatives have higher concentrations of common ions than Cu+ or Br-, the lowest concentration of Br- is 0.0100 M.

Since water serves as the solvent over all instances, the maximum amount of Ag+ and Cl- AgCl may be the least sensitive of all the ions that can be precipitated in the BaCl2.

- The ordinary ion Br- has a higher concentration in 0.040 M solution, which in itself is 2 x 0.040 М = 0.080 M higher content than all the choices. Due to the common ion effect, which is caused by the presence of Ag+ or Br-, as AgBr's equilibrium shifts in a backward direction, the immersion of AgBr will decrease.

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The first energy level can hold up to 2 electrons.

The first energy level can contain up to two electrons, the second can store up to eight electrons, the third can hold up to 18 electrons, and the fourth can hold up to 32 electrons. In contrast, radio waves have the lowest energy, longest wavelengths, and lowest frequencies of any kind of EM radiation. The portions of the electromagnetic spectrum are called from greatest to lowest energy: gamma rays, X-rays, ultraviolet radiation, visible light, infrared radiation, and radio waves.

The bigger a shell is, the more electrons it can retain, and the higher the energies of those electrons, the further it is from the nucleus. The first shell (the one nearest to the nucleus) may accommodate two electrons.

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Answer:

Touch, or contact, thermometers must touch the body in order to measure temperature. Remote, or no-contact, thermometers can measure body temperature without touching the skin.

Explanation:

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The angle between each of the following pairs of vectors A⃗ =Axi^+Ayj^ and B⃗ =Bxi^+Byj^ is A) α = 169°  B)  α = 26.85°

In mathematics and physics, vector is a term that refers to some quantities that cannot be expressed by single number, or to elements of some vector spaces.

A) Given, Ax1= -2.20, Ay1= 5.00  Bx1= 2.10, By1= -3.00.

A.B= ( -2.20i + 5.00j) + (2.10i + 3.00j)

A.B = -19.62

Module of vector A= √ (-2.20)² +(5)²= 5.46

Module of vector B= √ (2.10)² +(-3)² = 3.66

α = cos^-1( A.B/ A B)

= cos^-1( -19.62/ 5.46* 3.66)

α = 169°

B) Given, Ax2= 3.40, Ay2= 5.80; Bx2= 10.6, By2= 6.80.

A.B=  ( 3.40i + 5.80j) + (10.6i + 6.80j)

A.B = 75.48

Module of vector A= √ (3.40)² +(5.80)²= 6.72

Module of vector B= √ (10.6)² +(6.80)²= 12.59

α = cos^-1( A.B/ A B)

= cos^-1( 75.48/ 6.72* 12.59)

So,  α = 26.85°

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Answer:

2

Explanation:

M=mole/liters

C6H12O6; 180.2 g/mol

360.4g / 180.2 g per mol = 2. we have 2 moles now.

M=mole/liters

1M=2mole/xliters

2/1=2

2x2=1

1M=2/2

x=2

Answer:

2

Explanation:

Acellus

The solid is more soluble at higher temperatures is probably true for a solid solute with a highly endothermic heat ofsolution when dissolved in water. The correct option to this question is D.

The solubility of most solid or liquid solutes increases with increasing temperature. The components of mixtures can often be separated by fractional crystallization. It separates compounds according to their solubility.

When water is heated, the molecules gain energy and move faster. Because they move faster, they come into contact with sugar more often and dissolve faster.

As the temperature increases, the kinetic energy of the solvent particles increases, effectively breaking them apart. Dissolved particles are effectively held between solvent molecules, increasing solubility.

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1.) Arthropods: Arthropods are important as

2.) Mollusks: Mollusks are important for several reasons.

3.) Echinoderms: Echinoderms are important for several reasons.

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Because the electronegativity values of the nitrogen and oxygen atoms differ, the covalent bond N₂O is polar. They thus gave the atoms a partial charge.

An atom may establish bonds with other atoms in two main ways: covalent and ionic. The interaction of electrons over three or more atoms forms a covalent connection. When four or more ions join contact, they can create ionic bonds that are kept together by charging differences.

When precipitation occurs sugar, it breaks the covalent connections between the carbon, oxygen, and oxygens inside the molecule, but does not destroy the comparatively weak forces that hold the particular sugar molecules together.

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The amount of potassium bromide that should be added to water to prepare 0.50 L of solution with a molarity of 0.125 would be  7.44 grams.

The problem here is we don't know the exact amount, in grams of the solute, potassium bromide to dissolve in 0.50 L of water to make a solution with a molarity of 0.125 M.

Recall that the number of moles of solute present in a solution can be mathematically determined as:

Mole = molarity x volume

Thus, the number of moles of solute needed to prepare 0.50 L, 0.125 M solution would be:

0.125 x 0.50 = 0.0625 mol

This means that 0.0625 mol of potassium bromide is what we need. The equivalent mass of 0.0625 mol of potassium bromide would be:

Mass = mole x molar mass

The molar mass of potassium bromide is 119 g/mol.

Mass = 0.0625 x 119 = 7.44 grams

In other words, the amount of potassium bromide that should be added to water to prepare 0.50 L. o.125 M solution would be 7.44 grams.

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'The statement the amount of carbon dioxide production produced by the ocean and taken in by the ocean is close to 100% balanced is TRUE.

The relationship between photosynthetic rate and respiration rate is nearly equal in order to maintain homeostasis or internal equilibrium in the biosphere, which can be considered a whole ecosystem.

Therefore, with this data, we can see that the relationship between photosynthetic rate and respiration rate is given by a nearly similar amount of carbon dioxide production and consumption.

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According to the claim made, the maximum current it can produce for 65 hours is 2.84A.

Two electrodes are immersed in an atmosphere of sulfuric acid to form the lead-acid battery. The deleterious electrode is connected to a mesh of metallic lead, whereas the column . the column is constructed of metallic lead oxidation grains. Lead-acid batteries take longer to charge than lithium-ion batteries since the latter can handle higher current rates. This is essential for time-sensitive applications whereby vehicles are used more often and take fewer breaks. The amount of water inside the battery decreases as more of it is transformed into hydrogen.

Rating Given: 185 Ah

The maximum current for 65 hours will be I = 185Ah/65h I = 2.84 A.

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The equilibrium concentration of H3O+ ina 0.2 m solution of oxalic acid is [H3O+] = 0.08.

When a chemical process reaches equilibrium, the equilibrium constant (often represented by the letter K) sheds light on the interaction between the reactants and products. For instance, the ratio of the concentration of the products to the concentration of the reactants, each raised to their respective stoichiometric coefficients, can be used to establish the equilibrium constant of concentration (denoted by Kc) of a chemical reaction at equilibrium. It is significant to remember that there are several kinds of equilibrium constants that establish relationships between the reactants and products of equilibrium reactions in terms of various units.

The proportion of the reactant to the product in a chemical reaction is known as the equilibrium constant.

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The half-reactions and balanced redox reaction for the specified voltaic cell are as follows: reduction half-reaction: 2Fe3+(aq)+2e2Fe2+(aq) E=0.77V.

The standard voltage gain is the prospective of the tank under uniform conditions (60 Cm for mixtures, 1 atm with gases, and pure crystals or liquids for many other elements) and a constant temperature (25 °C).

Due to the larger standard reduction potential of the silver half-cell, reduction will occur. The half-cell of tin will oxidize. The formula E0cell=E0red+E0oxid can be used to get the overall cell potential.

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At 295 K and 1.00 atm, a reaction involving 2.65 g of N2H4 and extra oxygen yields 0.75 of N2 and a percent yield of 29.76%.

Take into account the following balanced equation.

N2H4(aq) N2(g) O2(g) = N2(g) 2H2O (l)

Using the following conversion factors and 2.65 g of N2H4, we can get the theoretical volume of N2 obtained at STP.

N2H4 has a 32.05 g/mol molar mass.

N2H4 and N2 have a 1:1 molar ratio.

N2 takes up 22.4 L per mole at STP.

3.25g N2H4× (1mol N2H4/32.05)× (1mol N2H4/ 1mol N2H4)×(22.4 L N2/1mol N2

We have 2.33 L of N2 at 273.15 K, and by applying Charles' law, we can determine the volume at 295 K.

V1/T1=V2/T2

V2=V1×T2/T1

V2=V1×T2/T2

=2.33295/273.15

V2=2.52L

The following phrase can be used to get the percent yield.

%yield is experimental yield minus theoretical yield, therefore 100 = 0.75 minus 2.52 equals 29.76%.

The percent yield of the reaction is 29.76% when 3.25 g of N2H4 reacts with extra oxygen to create 0.75 l of N2 at 295 K and 1 atm.

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Answer:

1.16mol of NaCl

Explanation:

Question:

1. How many formula units are in 67.69 grams of salt?

2. How many molecules are in 44.99 grams of water?

Converting mass to moles:

In a given amount of moles (n) of a substance there will be a given amount of mass (m) of that substance. m and n are related by the molar mass (M):

m = n x M

Hence, if we want to find n, we must rearrange the equation:

n = m/M

Answer and Explanation:

The word 'salt' in this question will be assumed to mean table salt - sodium chloride, NaCl - with a molar mass of 58.44g/mol.

Hence, 67.96g will contain 67.69g / 58.44g/mol = 1.16mol of NaCl.

We convert from moles to number of molecules/formula units by multiplying by Avogadro's constant(6.02×10²³):

1.16 x 6.02×10²³ = 6.98×10²³

formula units of NaCl

Water has a molar mass of 18.02g/mol. Therefore, 44.99g of water will represent 44.99g / 18.02g/mol = 2.50mol of water.

2.50 x

6.02

×

10

23

=

1.505

×

10

24

molecules of water

The balanced net ionic equation is:

2Fe⁺³(aq) + 6OH⁻(s) + 6H⁺(aq) + 3SO₄⁻² (aq) → Fe₂(SO₄)₃(s) + 6H₂O(l).

All soluble ionic compounds (those denoted with a (aq)) must be broken down into their corresponding ions in order to write the ionic equation. Each ion needs to be displayed with its charge and a (aq) to signify that it is in solution. Coefficients can be used to display the quantity of each ion.

The net ionic equation is the chemical formula that only displays the substances that are directly involved in the reaction. The spectator ions are also included in a complete ionic equation, whereas a net ionic equation only displays the chemical species that are involved in a reaction.

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A neutron makes a better nuclear bullet compared to a proton or an electron because it "has no electrical charge".

A neutron refers to a subatomic particle presented in the nucleus of every atom except that of simple hydrogen. The particle neutron derives its name from the fact that it carries no electrical charge. It means the neutron is neutral but is extremely dense.

In a comparison of a neutron with an electron and proton, it is obvious that a neutron makes a better nuclear bullet because a neutron carries no electrical charge.

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By assuming that the water stream is replaced by a stream of cci. Now (a) in case of charged comb ions would likely be deflected (b) in case of pvc pipe no effect on the motion of the ions, (c) in case of charged balloon ions would be deflected.

a. If a stream of charged particles, such as ions in a charged comb, were to replace the water stream, the ions would likely be deflected by the electric field created by the charged comb. This is due to the forces acting on the ions as they move through the electric field. The amount of deflection would depend on the charge and mass of the ions, as well as the strength of the electric field.

b. If a stream of charged particles were to pass through a PVC pipe, the pipe itself would not have a significant effect on the motion of the ions. The ions would continue to move in a straight line, unaffected by the pipe. However, if the PVC pipe is insulated, it will not cause any deflection.

c. A charged balloon would also create an electric field, and if a stream of charged particles were to pass through this electric field, they would be deflected. The direction and amount of deflection would depend on the charge of the particles and the strength of the electric field created by the charged balloon.

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The information provided in the query is insufficient to calculate the solution's acidity. This is due to the fact that the equation pH = -log [H+] is the sole way to determine acidity.

A solution's acidity can be determined by looking at its pH, which is a measurement of hydrogen ion concentration. Pure water slightly separates into ions with roughly equal amounts of hydrogen & hydroxyl (OH) ions. [H+] is 107 for such a neutral solution, or pH = 7.

Whenever the hydroniums and hydroxyls are not in balance, that occurs. The substance is acidic if it contains more positive charge hydroniums than that of negatively charged hydroxyls.

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The concentrations of both reactants and products are not changing. Thus, ΔGrxn = -318.2 kJ/mol.

Concentration is a measure of how much of a substance is dissolved in a given quantity of a solution.

Net Cell Equation: Co(s) + 2 Ag^+(aq) → Co^2+(aq) + 2 Ag(s)
E°cell = -0.337 V
E cell = -0.337 V
ΔG°rxn = -159.1 kJ/mol
ΔGrxn = -159.1 kJ/mol

The standard potential of the cell, E°cell, is calculated by subtracting the standard reduction potential of the reduction half-reaction (Ag+ + 1e- → Ag, E° = +0.799 V) from the standard reduction potential of the oxidation half-reaction (Co → Co2+, E° = -1.136 V). Thus, E°cell = -1.136 V + 0.799 V = -0.337 V.
The cell potential, Ecell, is equal to the standard potential, E°cell, since the concentrations of both reactants and products are not changing. Thus, Ecell = -0.337 V.
The standard reaction Gibbs free energy, ΔG°rxn, is calculated by subtracting the Gibbs free energy of the products (2 Ag(s): ΔG°f = 0 kJ/mol) from the Gibbs free energy of the reactants (Co(s): ΔG°f = 0 kJ/mol, 2 Ag+ (aq): ΔG°f = -318.2 kJ/mol). Thus, ΔG°rxn = 0 kJ/mol - (-318.2 kJ/mol) = -318.2 kJ/mol.
The reaction Gibbs free energy, ΔGrxn, is equal to the standard reaction Gibbs free energy, ΔG°rxn, since the concentrations of both reactants and products are not changing. Thus, ΔGrxn = -318.2 kJ/mol.

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This beam separation should allow for easy separation of the two ions .∆R = 4 cm if the beam consists of a mixture of 12C and 14C ions.

A simple example of chemical separation is the use of desiccants to remove water from a gas stream. The percentage of carbon dioxide in blast furnace gas may be determined by measuring the thermal conductivity of the gas before and after selective removal of the carbon dioxide by passing the gas through soda lime.

The Parties agree that the termination of the employment relationship between the Parties shall be treated as a separation by mutual agreement of the Parties.

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After 30 minutes of being in vinegar, the penny will be covered in a thin layer of copper oxide.

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1.) Alkenes are important building blocks in organic synthesis. They are widely used as starting materials for the preparation of other organic compounds, such as alcohols, ethers, and aldehydes.

2.) Alkenes are widely used in the polymer industry to make a wide range of plastics, such as polyethylene and polypropylene, which are used in packaging, textiles, and consumer goods.

3.) Alkenes are used in catalytic processes, such as catalytic cracking and dehydrogenation, to produce important chemicals such as gasoline, diesel fuel, and ethylene, which are used in the production of many other chemicals.

4.) Alkenes are also important in petrochemical industry as starting materials for the production of many other chemicals such as solvents, lubricants, and other products. Alkenes are also used as intermediates in the synthesis of fine chemicals such as pharmaceuticals, agrochemicals and fragrances.

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Ionic bonds are formed by potassium iodide (KI). Iodine and potassium have highly dissimilar electronegativities. Since ionic bonds are formed between atoms with a significant difference, the two would join together.

A substance with the formula Na2S N a 2 S is sodium sulfide. This is an ionic compound since it consists of a metal and a non-metal.

covalent fusion. The creation of ions by the passage of electrons results in the formation of ionic compounds like sodium chloride (NaCl). Ionic bonds are created when ions interact electrostatically.

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The ionic bond has a much higher quality than metallic bonds. As a result, more vitality is required to break the bonds between Al and O than between Al and Al. Pure aluminium ductility .

Pure aluminium is very ductile and has a high electrical conductivity. the difference between the atomic bond between those two are Pure aluminium is a metal with a metallic bond. It has a Face Centered Cubic crystal structure and can be moved to thin thwarts.Aluminium is also used in electrical connections and transmitters for high-pressure overhead transmission lines, as well as local wiring in electrical applications.

Alumina (Al2O3) Brittleness- In any case, its oxide Al2O3 (aluminium oxide, also known as alumina, corundum) has a trigonal structure, a melting point greater than 2000 °C, and it (Al2O3) is extremely refractive. Alumina blocks are used as heater linings in high-temperature applications.

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The energy that arises from a location is known as potential energy.

The energy attributed to motion is known as kinetic energy.

1. As the highest point on the road, F point has the most potential energy.

2. The lowest potential energy is present at D point, the lowest point on the route.

3. Point B will have the maximum kinetic energy since there, all of point A's potential energy is converted to kinetic energy.

4. At point B, the speed will be at its highest since all of the potential energy has been transformed into kinetic energy.

Potential energy is a form of stored energy that is dependent on the interactions between different system components. When a

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