fghgfgfgfftftftft ttcc

Explanation:

In order to write the Copper electron configuration we first need to know the number of electrons for the Cu atom (there are 29 electrons). Once we have the configuration for Cu, the ions are simple. When we write the configuration we'll put all 29 electrons in orbitals around the nucleus of the Copper atom.

Therefore the expected electron configuration for Copper will be 1s22s22p63s23p64s23d9.

Half-filled and fully filled subshell have got extra stability. For the Cu+ ion we remove one electron from 4s1 leaving us with: 1s22s22p63s23p63d10.

For the Cu2+ ion we remove a total of two electrons (one from the 4s1 and one form the 3d10) leaving us with 1s22s22p63s23p63d9

Therefore, 1s22s22p63s23p63d9.

Hope this helps. Also note that copper is an exception to the rules for writing electron configurations.  

Answer:

Lead

Explanation:

Lead (Pb) is the end product of every natural radioactive series.

Answer:

D

Explanation:

Answer:

the answer is D I did that one in 5th grade

Answer:

Explanation:

Hi I'm so sorry hope you have a good day

The heat absorbed or released by a substance when its temperature changes depend on its heat capacity (Cp). The Cp of the water is 1 cal/g°C. The heat released can be found by the following equation:

Where,

Q is the heat released or absorbed

m is the mas oof water, 15.5g

Cp is the heat capacity of water, 1cal/g°C

dT is the change in temperature

We replace the known values

In Joules the heat released will be:

the heat has a negative value, this is because the water released heat.

Answer:

The amount of heat released is 504 calories or 2019 joules

Answer:

the formula to calculate speed is d/t.

The reaction of silver nitrate with copper is a substitution reaction. We have copper in its free state, Cu, and we have silver nitrate which has the formula AgNO3. The copper replaces the silver obtaining the following reaction:

The products obtained are copper nitrate and silver.

The word equation will be:

Answer:

Ants are as good as sniffer dogs at detecting disease

“Ants are thus equivalent to dogs – the most studied bio-detectors in terms of detection abilities,” the researchers write.

the delta S for H2(g) + I2(g) = 2HI(g) is 165.3 J/mol*K. To find delta S for H2(g) + I2(g) = 2HI(g), given the following information, we need to use the formula,ΔSrxn=∑S°(products)−∑S°(reactants)

Given,Substance S° (J/mol × K)H2(g) 130.58I2(g) 116.73HI(g) 206.3To determine delta S for H2(g) + I2(g) = 2HI(g), we must compute ΔSrxn using the formula given above.ΔSrxn=∑S°(products)−∑S°(reactants)ΔSrxn=2S°(HI(g))−[S°(H2(g))+S°(I2(g))]ΔSrxn=2(206.3 J/mol*K) − [130.58 J/mol*K + 116.73 J/mol*K]ΔSrxn=412.6 J/mol*K − 247.31 J/mol*KΔSrxn=165.3 J/mol*KTherefore, the delta S for H2(g) + I2(g) = 2HI(g) is 165.3 J/mol*K.

learn more about H2 here:

https://brainly.com/question/31315761

#SPJ11

Evaporation is the process by which a liquid converts into a gas or vapor at a temperature below its boiling point. Latent heat of fusion is the amount of heat required to convert a solid into a liquid without any change in temperature.  Steam causes more severe burning as compared to boiling water at 100°C due to the large amount of latent heat of vaporization.

On the other hand, boiling is the process by which a liquid turns into a gas or vapor at a temperature equal to or above its boiling point. In other words, when the liquid is heated to a temperature equal to or greater than its boiling point, it turns into a gas or vapor. The effect of humidity on the rate of evaporation is that if the air around the liquid is already humid, then the rate of evaporation will be slower because the air is already saturated with water molecules.
Latent heat of fusion is the amount of heat required to convert a solid into a liquid without any change in temperature. In other words, it is the amount of heat required to break the intermolecular forces between the molecules of a solid to convert it into a liquid.
Steam causes more severe burning as compared to boiling water at 100°C because steam contains a large amount of latent heat of vaporization. When steam comes in contact with the skin, it releases a large amount of latent heat of vaporization, which causes more severe burns as compared to boiling water at 100°C.

Evaporation is the process of turning a liquid into a gas or vapor at a temperature below its boiling point. Boiling, on the other hand, is the process of turning a liquid into a gas or vapor at a temperature equal to or above its boiling point. Humidity affects the rate of evaporation. Latent heat of fusion is the amount of heat required to convert a solid into a liquid. Steam causes more severe burning as compared to boiling water at 100°C due to the large amount of latent heat of vaporization.

To know more about Evaporation visit:

brainly.com/question/28319650

#SPJ11

To solve this we must be knowing each and every concept related to cell. Therefore, the mass of DNA the scientist should obtain from a haploid human cell is  0.956.

In biology, a cell is a basic lattice unit that houses the essential components of life and is made up from which all living organisms are made. A single cell, for example a bacterium or yeast, is frequently a full organism in and of itself. As cells age, they develop specific roles.

These cells collaborate with some other specialized cells to form the foundation of huge multicellular creatures like humans and other mammals. Despite being far larger than atoms, cells are nonetheless incredibly tiny. A scientist obtained a mass of 0.0062 nanogram of dna from a diploid human cell. The mass of DNA the scientist should obtain from a haploid human cell is  0.956.

Therefore, the mass of DNA the scientist should obtain from a haploid human cell is 0.956.

To know more about cell, here:

https://brainly.com/question/14957605

#SPJ2

Answer:

1. V2.

2. 299K.

3. 451K

4. 0.25 x 451 = V2 x 299

Explanation:

1. The data obtained from the question include:

Initial volume (V1) = 0.25mL

Initial temperature (T1) = 26°C

Final temperature (T2) = 178°C

Final volume (V2) =.?

2. Conversion from celsius to Kelvin temperature.

T(K) = T (°C) + 273

Initial temperature (T1) = 26°C

Initial temperature (T1) = 26°C + 273 = 299K

3. Conversion from celsius to Kelvin temperature.

T(K) = T (°C) + 273

Final temperature (T2) = 178°C

Final temperature (T1) = 178°C + 273 = 451K

4. Initial volume (V1) = 0.25mL

Initial temperature (T1) = 299K

Final temperature (T2) = 451K

Final volume (V2) =.?

V1 x T2 = V2 x T1

0.25 x 451 = V2 x 299

Given that the citric acid cycle produces 16 moles of NADH from one mole of glucose. From one mole of glucose, glycolysis produces two moles of pyruvate. The CAC produces 4 moles of NADH from one mole of pyruvate.

To calculate how many moles of glucose are required for glycolysis to produce enough pyruvate to produce 16 moles of NADH in the CAC, we must first determine how many moles of pyruvate are required to produce 16 moles of NADH. The number of moles of pyruvate required = Number of moles of NADH produced in the CAC / Number of moles of NADH produced from 1 mole of pyruvate in the CAC= 16 moles / 4 moles = 4 moles

In order to produce enough pyruvate for the CAC to produce 16 moles of NADH, 4 moles of pyruvate are required. Since two moles of pyruvate are produced from one mole of glucose via glycolysis, twice the number of moles of glucose are required to produce 4 moles of pyruvate via glycolysis. 2 × 4 = 8 moles of glucose must be broken down during glycolysis to generate enough pyruvate for the CAC to generate 16 moles of NADH.

To know more about citric visit:

https://brainly.com/question/16735211

#SPJ11

a) The maximum observable range of redshifts that produces Lyman-alpha line is 0 ≤ z ≤ 10.6

b) i) identifying the galaxy with a radio source, ii) looking for other Lyman lines, iii) a coincidence with a continuum break

c)The maximum redshift range over which galaxies can be found using this strategy is z = 7 to z = 15.5.

d)Earth's atmosphere absorbs the radiation, and the laboratory conditions are not the same as interstellar conditions.

a) Lyman-alpha line is produced by the hydrogen atoms that have electrons that are in the ground state being raised to the first excited state. Over a certain range of redshifts, the Lyman-alpha line is redshifted to longer wavelengths that are observable by an optical spectrograph. The maximum observable range of redshifts that produces Lyman-alpha line is 0 ≤ z ≤ 10.6 (depending on the exact details of the galaxy's emission profile).

b) Observing the galaxy in the infrared can help in the identification of the Lyman-alpha line as it is shifted to longer wavelengths. Three ways to increase confidence in the correct identification of the Lyman-alpha line are:

i) identifying the galaxy with a radio source, ii) looking for other Lyman lines, iii) a coincidence with a continuum break.

c) The strategy that needs to be adopted is to look for the Lyman limit, which is the point at which the spectrum is cut off by the absorption of all hydrogen in the galaxy. To be certain that the line you detect is the Lyman-alpha line, you need to look for a decrement in the flux of the galaxy at wavelengths shorter than the line and a decrement in the flux at wavelengths longer than the line. This is because the Lyman limit will be shifted to longer wavelengths at higher redshifts, so to maximize the redshift range over which galaxies can be found, you need to search for the Lyman limit at the longest wavelength possible. The maximum redshift range over which galaxies can be found using this strategy is z = 7 to z = 15.5.

d) The reason why such lines can be seen from interstellar gas but not the Earth's atmosphere or in the laboratory is that the Earth's atmosphere absorbs the radiation, and the laboratory conditions are not the same as interstellar conditions. The forbidden lines from the interstellar gas are not affected by dust absorption because they are produced in regions where dust is not present.

for such more questions on  atmosphere

https://brainly.com/question/19587559

Answer:

Explanation:

0.5 i go to k12 i jus took the test

Answer:

0.5

Explanation:

took the test

The nuclear equation for the alpha decay of Uus-294 is

\(^{294}{117} Uus\) →\(^{4}{2}He + ^{290}_{115}Mc\)

To complete the nuclear equation for the alpha decay of Uus-294, we need to determine the missing product.

During alpha decay, the emission of an alpha particle, composed of two protons and two neutrons, leads to the formation of a new nucleus.

The balanced nuclear equation for the alpha decay of Uus-294 can be represented as follows:

\(^{294}{117} Uus\) → \(^{4}{2}He +\)_____(missing product)

In this equation, the atomic number of the missing product must be two less than the atomic number of Uus-294 (117 - 2 = 115), and the mass number of the missing product must be four less than the mass number of Uus-294 (294 - 4 = 290).

Based on this information, the missing product can be identified as:

\(^{290}_{115}Mc\)

Mc stands for Moscovium, which has an atomic number of 115. By subtracting two from the atomic number of Uus, we obtain the atomic number of Mc. The mass number of Mc-290 is obtained by subtracting four from the mass number of Uus-294.

Therefore, the  nuclear equation for the alpha decay of Uus-294 is:

\(^{294}{117} Uus\)→ \(^{4}{2}He + ^{290}_{115}Mc\)

Know more about alpha decay     here:

https://brainly.com/question/25714324

#SPJ8

The complete question is :

Complete this nuclear equation for the alpha decay of Uus-294 by writing a

notation for the missing product:

\(^{204} {117} Uns\)→\(^{4} _{2} He +\)_____

Answer:

hello hello hello hello hello hello hello

The volume of gas is 9,943 L when the pressure goes from 1.0 atm to 1.4 atm.

Assuming that the car behaves like an ideal gas, we can use the combined gas law to calculate the final volume of the gas:

(P1 x V1)/T1 = (P2 x V2)/T2

where P1, V1, and T1 are the initial pressure, volume, and temperature of the gas, respectively, and P2 and V2 are the final pressure and volume of the gas, respectively, at a new temperature T2.

Since the car is imploding, we can assume that the pressure inside the car is initially at atmospheric pressure, or 1.0 atm. We are given the volume of the car, which is 12,000 L, so we can set the initial volume V1 to this value. We are not given the initial temperature of the gas, but we can assume that it is approximately equal to the ambient temperature, since the car was presumably not heated or cooled prior to being driven into the river.

The final pressure P2 is given as 1.4 atm. We need to solve for the final volume V2.

(P1 x V1)/T1 = (P2 x V2)/T2

Solving for V2, we get:

V2 = (P1 x V1 x T2)/(P2 x T1)

Substituting the given values, we get:

V2 = (1.0 atm x 12,000 L x T2)/(1.4 atm x T1)

The temperature ratio T2/T1 is not given, so we cannot calculate V2 without more information. However, we can make a rough estimate based on the assumption that the temperature does not change significantly during the implosion. If we assume that the initial temperature of the gas is approximately equal to the ambient temperature (which we can take to be around 20°C or 293 K), then we can estimate the final volume of the gas as:

V2 ≈ (1.0 atm x 12,000 L x 293 K)/(1.4 atm x 293 K) = 9,943 L

Note that this is only an estimate and the actual final volume of the gas may be different depending on the initial temperature of the gas and other factors.

To know more about pressure, visit:

https://brainly.com/question/12971272

#SPJ1

Answer: Mg + FeS ——> Fe + MgS

Explanation: Explain

The molecule for further use in the citric acid cycle is NAD+.

In the absence of oxygen after glycolysis cells undergo fermentation without the citric acid cycle or oxidative phosphorylation. The citric acid cycle requires oxygen. This is because the electron transport chain requires an electron acceptor to regenerate her NAD, which is the role of oxygen.

Some of this is considered an aerobic pathway because the NADH and FADH2 produced must transfer electrons to the next pathway in the system using oxygen. Without oxygen, this transfer would not occur. Two carbon atoms from each acetyl group enter the citric acid cycle. Oxygen is the terminal electron acceptor of the mitochondrial electron transport chain and is therefore required for energy production via oxidative phosphorylation.

Learn more about Citric acid here:-https://brainly.com/question/26202865

#SPJ4

The total pressure in the container after the three gases are mixed is 6 atm and the partial pressure of He is 1 atm.

According to Dalton's Law of Partial Pressure , the pressure exerted by a mixture of gas is equal to the sum of the partial pressure of the gases in the mixture.

P(total) = p₁ +p₂+p₃+.....

As the volume of the containers are same and the

n = 1*5/RT for Helium

n = 2*5 /RT for Neon

n= 3*5/RT for Argon

Mole fraction = moles of the element/Total moles

Moles fraction of Helium is

\(\rm \dfrac{1*5}{1*5+2*5+3*5}\)

= 1/6

Total Pressure in the container = 1 + 2 +3 = 6 atm

The partial pressure of Helium will be

=Mole fraction * Total pressure

=(1/6)*6 atm

= 1 atm , as the volume is same the temperature is same , the pressure will also be same.

To know more about Dalton's Law

https://brainly.com/question/14119417

#SPJ1

Answer:

The correct answer is 1.66 atm ≅ 1.7 atm

Explanation:

Given:

T₁ = -13°C + 273 = 260 K (initial temperature)

T₂ = 15°C + 273 = 288 K (final temperature)

P₁ = 1.5 atm

P₂= ?

We use the mathematical expression of Gay Lussac's Law to calculate P₂, as follows:

P₁/T₁ = P₂/T₂

P₂= P₁/T₁ x T₂ = (1.5 atm)/(260 K) x 288 K = 1.66 atm ≅ 1.7 atm

Since the law says that the temperature of a gas is directly proportional to the pressure, when the temperature is increased, the pressure increases.

Answer:

it is 600 so the answer is b

Explanation:

The answer is b. sodium and fluorine. Ionic bonds are formed when a metal atom transfers electrons to a nonmetal atom.

Since sodium is a metal and fluorine is a nonmetal, they are likely to form an ionic bond. In an ionic bond, the metal atom loses electrons to become positively charged, while the nonmetal atom gains electrons to become negatively charged.

When these two oppositely-charged ions come together, electrostatic forces hold them together. Sodium has one valence electron that it can donate, while fluorine has seven valence electrons that it can accept.

This electron transfer creates a strong bond, making sodium and fluorine a classic example of an ionic bond. Ionic bonds are common in compounds found in nature, such as table salt, which is composed of sodium and chlorine ions.

To know more about electrostatic forces, click below:

https://brainly.com/question/17692887

#SPJ4

Answer:

The breaking of chemical bonds never releases energy to the external environment. Energy is only released when chemical bonds are formed. In general, a chemical reaction involves two steps: 1) the original chemical bonds between the atoms are broken, and 2) new bonds are formed. These two steps are sometimes lumped into one event for simplicity, but they are really two separate events. For instance, when you burn methane (natural gas) in your stove, the methane is reacting with oxygen to form carbon dioxide and water. Chemists often write this as:

CH4 + 2 O2 → CO2 + 2 H2O + energy

Explanation:

here is the answer

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.

To learn more about sustainability, here

https://brainly.com/question/32771548

#SPJ4

a. NH3 (Ammonia): In a 1.0L container of NH3 at Standard Temperature and Pressure (STP), intermolecular forces such as hydrogen bonding would be exerted.

b) 1.0L container of CHCl3 at STP, dipole-dipole interactions (along with London dispersion forces) would be present.

a. NH3 (Ammonia):

In a 1.0L container of NH3 at Standard Temperature and Pressure (STP), intermolecular forces such as hydrogen bonding would be exerted. Ammonia (NH3) molecules consist of one nitrogen atom bonded to three hydrogen atoms, forming a trigonal pyramidal shape.

Hydrogen bonding is a type of intermolecular force that occurs when a hydrogen atom is covalently bonded to an electronegative atom (in this case, nitrogen) and interacts with another electronegative atom (in this case, the nitrogen atom of a neighboring NH3 molecule).

b. CHCl3 (Chloroform):

In a 1.0L container of CHCl3 (chloroform) at STP, intermolecular forces such as dipole-dipole interactions would be exerted. Chloroform (CHCl3) molecules consist of one carbon atom bonded to three hydrogen atoms and one chlorine atom, forming a tetrahedral shape.

Dipole-dipole interactions arise due to the difference in electronegativity between chlorine and hydrogen atoms. The chlorine atom is more electronegative than hydrogen, resulting in a polar covalent bond.

While dipole-dipole interactions are present in CHCl3, it is worth noting that CHCl3 also exhibits London dispersion forces. These forces occur due to temporary fluctuations in electron distribution, creating temporary dipoles.

London dispersion forces are the weakest type of intermolecular force but still contribute to the overall intermolecular interactions in CHCl3.

For more such questions on Standard Temperature and Pressure visit:

https://brainly.com/question/14820864

#SPJ8

A chemoautotroph may need to run its electron transport chain backwards to generate reducing power or ATP under certain conditions.

Chemoautotrophs are organisms that obtain energy by oxidizing inorganic compounds. They utilize an electron transport chain (ETC) to transfer electrons and generate energy in the form of ATP. In certain situations, such as when the availability of electron acceptors is limited, a chemoautotroph may need to run its ETC backwards.

Running the ETC backwards allows the chemoautotroph to use alternative electron acceptors, which can be essential for their metabolic processes. This process, known as reverse electron transport, enables the chemoautotroph to generate reducing power or ATP when conventional electron acceptors are scarce or absent. By reversing the flow of electrons, the chemoautotroph can sustain its energy needs and continue essential cellular functions even under challenging environmental conditions.

To learn more about, chemoautotroph , click here, https://brainly.com/question/31181349

#SPJ11

Answer:

Higher temperatures means more energy, and a solid phase means the particles are close together. This results in highly energized particles that bump into the particles close to them, who in turn bump into more particles.

Explanation:

waves move faster at higher temperatures and in a solid phase there is more energy and the particles are farther apart there is less energy and the particles are closer together there is less energy and the particles are farther apart there is more energy and the particles are closer together.

The waves move faster at higher temperatures and in a solid phase because there is more energy and the particles are closer together.

A wave can be described as a medium which transports energy without causing net particle movement. Elastic deformation, pressure change, electric along with magnetic intensity, electric potential, or temperature can all be examples.

The quantitative property that's also transferred to a body or a physical system, recognizable in the work performance as well as in the form of heat and light, is called energy.

Temperature is the measurement of a body's degree of hotness or coolness.

The faster the wave is conveyed, the greater the particle interactions are. In general, sound travels quicker through solids than through liquids, and faster through liquids than through gas. Because warmer particles move at a higher pace, the temperature actually speeds up to sound.

Therefore, the correct answer will be option (d).

To more about wave and energy .

https://brainly.com/question/9624826.

#SPJ2