potassium metal reacts with water to give potassium hydroxide and hydrogen gas write balance equation​

Answer:

I think the answer is 368.544 centigrams

Explanation:

I hope I helped

Option C, "Communicate with the managers of each IT department," is the responsibility that is NOT typically assigned to the CIO.

The responsibilities listed in options A, B, D, and E are commonly associated with the role of a Chief Information Officer (CIO).

A. Manage the computing infrastructure: This is a typical responsibility of the CIO. They are responsible for overseeing the design, implementation, and management of the organization's IT infrastructure, which includes computing systems, networks, and data centers.

B. Oversee and negotiate outsourcing relationships: This is another important responsibility of the CIO. They are responsible for evaluating and managing outsourcing relationships, which can include tasks such as selecting vendors, negotiating contracts, and ensuring that outsourced services align with the organization's goals.

C. Communicate with the managers of each IT department: While communication is essential in the role of a CIO, it is not necessarily their responsibility to directly communicate with every manager of each IT department. Instead, the CIO may establish effective communication channels and frameworks to ensure proper coordination, but the day-to-day communication with IT department managers is typically handled by IT managers or team leads.

D. Run the steering committees that review projects: This is a responsibility often assigned to the CIO. They may lead or participate in steering committees that review and prioritize IT projects, ensuring that they align with the organization's strategic goals and are properly resourced and managed.

E. Establish priorities for new projects: This is also the responsibility of the CIO. They are typically responsible for setting priorities for new IT projects based on the organization's goals, budget, and available resources. They work closely with stakeholders to identify and prioritize projects that will deliver the most value to the organization.

Therefore, option C, "Communicate with the managers of each IT department," is the responsibility that is NOT typically assigned to the CIO.

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The complete question is:

Among the following​ responsibilities, which is NOT a responsibility of the​ CIO?

A. Manage the computing infrastructure.

B. Oversee and negotiate outsourcing relationships.

C. Communicate with the managers of each IT department.

D. Run the steering committees that review projects.

E. Establish priorities for new projects.

Answer:

Lion

Explanation:

Carnivores only eat meat

Lions only eat meat

Answer:

sorry I don't know the answer

The volume of oxygen produced is 25.1 L.

To determine the volume of oxygen produced, we need to consider the balanced chemical equation for the decomposition of hydrogen peroxide and the ideal gas law. The balanced chemical equation for the decomposition of hydrogen peroxide is:

\(2H_{2}O_{2}- > 2H_{2}O+O_{2}\)

We can see that for every mole of hydrogen peroxide decomposed, one mole of oxygen is produced. We can convert 40.8 g of hydrogen peroxide to moles and then determine the number of moles of oxygen produced. Using the molar mass of hydrogen peroxide (34.01 g/mol), we find that 40.8 g of hydrogen peroxide is equivalent to 1.20 moles. Hence, 1.20 moles of oxygen are produced.

Next, we can use the ideal gas law, PV = nRT, to determine the volume of oxygen produced. Here, P = 2.40 atm, V = ?, n = 1.20 moles, R = 0.0821 L-atm/mol-K, and T = (-13 + 273) K = 260 K. Solving for V, we find that the volume of oxygen produced is 25.1 L.

So, in conclusion, if 40.8 g of hydrogen peroxide decomposes at -13°C and 2.40 atm, the volume of oxygen produced is 25.1 L.

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A biology student examining an imperfect flower would typically find  reproductive structures, incomplete floral parts, or observe the plant to be monoecious or dioecious.

A biology student would notice any or all of the following traits in an imperfect flower:
Reproductive organs: Imperfect flowers are ones that lack neither stamens or carpels (male and female reproductive components). They only have one sort of reproductive structure. Incomplete floral components: Imperfect flowers could have floral parts that are missing. They may be devoid of petals or sepals, or they may have reduced or changed versions of these features.Plants that are monoecious or dioecious: Imperfect blooms are prevalent in plants that are monoecious or dioecious.Corn (which has separate male nad female flowers on the tassel nad female blossoms on the ear), squash (which has separate male & female flowers on the same plant), as willows (which have separate male nad female catkins) are examples of plants with imperfect blooms.

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From mixing of the two liquids, we can conclude that a chemical change has taken place forming the solid that settles on the bottom of the container.

Generally, a white substance is created when two clear liquids are combined. The chemical reaction between the reactants creates this substance, forming an insoluble precipitate. The two reactants have undergone a chemical transformation that results in the precipitate's formation. The process of reactants producing an insoluble precipitate is called precipitation.

A precipitation reaction is when two or more dissolved substances combine to form one (or more) solid products. These kinds of reactions, which are also sometimes known as double displacement, double replacement, or metathesis reactions, frequently involve the exchange of ions between ionic compounds in aqueous solutions.

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Answer:

A

Explanation:

Answer:

A! have a wonderful day!

Explanation:

Answer:

combustion

Explanation:

your welcome :)

Answer: The kinetic energy of solids is limited to vibrational energies..the particles are tightly bound in their crystalline structure and can only bend, flex, and vibrate about relatively fixed position.  When vibrational energies exceed the strength of the force holding the particles together, the crystal structure collapses and we say the material melted.  The particles can now have, in addition to its vibrational energies, rotational energy.  Chunks of the collapsed crystal can, like a ball floating in water, rotate without showing much translational energy. Generally, we associate solids with vibrational kinetic energy, liquids with rotational kinetic energy, and gases with translational kinetic energy. Actually though, liquids have both vibrational and rotational energies, and gases have all three.

Answer:

C₂H6

Explanation:

Among the given options, the formula A) C₂H6 represents a hydrocarbon (specifically, ethane). Option A

A hydrocarbon is a compound that consists of only carbon and hydrogen atoms. It is important to identify the formula that represents a hydrocarbon among the given options:

A) C₂H6: This formula represents ethane, which is a hydrocarbon. Ethane consists of two carbon atoms bonded together with single bonds and six hydrogen atoms.

B) C₂H5OH: This formula represents ethanol, which is not a hydrocarbon. Ethanol contains a hydroxyl group (-OH), indicating the presence of oxygen in addition to carbon and hydrogen atoms. It is an alcohol, not a hydrocarbon.

C) C₂H5Cl: This formula represents ethyl chloride, which is not a hydrocarbon. Ethyl chloride contains a chlorine atom (Cl) in addition to carbon and hydrogen atoms. It is a haloalkane, not a hydrocarbon.

D) C₂H6O: This formula represents ethanol, which, as mentioned before, is not a hydrocarbon. Ethanol contains an oxygen atom (O) in addition to carbon and hydrogen atoms. It is an alcohol, not a hydrocarbon.

Among the given options, the formula A) C₂H6 represents a hydrocarbon (specifically, ethane). It consists only of carbon and hydrogen atoms, making it a suitable representation of a hydrocarbon.

In summary, the formula C₂H6 (option A) represents a hydrocarbon, while the other options contain additional elements (oxygen or chlorine) that make them non-hydrocarbon compounds. Option A

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Answer:

5.09 x 10⁶ s⁻¹ = 5.09 x 10⁶ Hz

Explanation:

The relation between frequency (ν) and wavelength (λ) is given by:

λ = c/ν

where c is the speed of light (2.998 m/s) and it is a constant.

So, we first convert the wavelength from nanometers (nm) to meters (m) (1 nm = 1 x 10⁻⁹):

λ= 589 nm x (10⁻⁹ nm/1 m) = 5.89 x 10⁻⁷ m

Then, we calculate the frequency from the equation:

λ = c/ν ⇒ ν = c/λ = (2.998 m/s)/(5.89 x 10⁻⁷ m) = 5.09 x 10⁶s⁻¹ = 5.09 x 10⁶ Hz

Answer:

Explanation:

Here, we want to know what happens to a solution that becomes more acidic

A lesser ph (1-7) indicates acidity with the acidity being higher as the number becomes smaller

What this means is that a solution with a pH of 3 is more acidic than a solution with a pH of 5

Thus, when the acidity increases, it is expected that the pH of the solution decreases (it becomes smaller in number)

doing chem alone is fun but in school its not at all  

Answer:

No

Explanation:

In order for glucose to be produced inside the mixture, photosynthesis has to take place. The photosynthetic process requires a series of steps within an organelle called the chloroplast. The chloroplast contains the chlorophyll and other enzymes that are necessary for photosynthesis.

Once the chlorophyll is isolated, it becomes separated from the enzymes necessary for the completion of photosynthesis, and the process is truncated. When light is shined on the mixture, the majority would instead be lost as heat while some cause the chlorophyll molecules to glow.

Answer:

It's basically an active site of an enzyme precisely fits a specific substrate. It reduces the energy that is well needed for reactants that come together.

A spring tide occurs when there is a new or full moon in the solar system.

This is the type of tide which occurs when the sun, moon and earth are in line and occurs between three to four times per year.

Lunar and solar tides also line up and reinforce each other to produce this type of tide.

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Answer:

The proof was in the new compound he had made. That orange-yellow solid was subsequently identified in laboratory studies as xenon hexafluoroplatinate (XePtF6), the world's first noble gas compound.

Answer:

B

Explanation:

Chemistry is the study of matter, its composition and the changes it undergoes.

Answer:

The scientific study of matter

Explanation:

reviewed the work, its correct

4.9 would be the new concentration in ppm if sample was diluted to 300 mL according to the dilution formula

Ppm is an abbreviation for "parts per million," and it may also be represented as milligrams per liter (mg/L). This is the weight of a chemical or contaminant per unit volume of water. Ppm or mg/L signifies the same thing.

Calculations :

M1 = 100mL

V1 = 14.7 ppm

M2 = 300mL

V2 = u

where M1 is the initial concentration, V1 is the initial volume, M2 is the concentration after mixing or diluting, and V2 is the total final volume.

use dilution formula M1*V1 = M2*V2

100 x 14.7 = 300u

u = 100 x 14.7 / 300

= 1470 / 300

= 4.9

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The percentage composition of the compound can be calculated by dividing the mass of each element by the total mass of the compound, and then multiplying by 100. In this case, the compound contains 1.116 grams of iron and 0.48 grams of oxygen. The total mass of the compound is 1.596 grams.

To find the percentage composition of iron, we divide the mass of iron by the total mass of the compound and multiply by 100:

(1.116 g / 1.596 g) x 100 = 69.92%

Similarly, to find the percentage composition of oxygen, we divide the mass of oxygen by the total mass of the compound and multiply by 100:

(0.48 g / 1.596 g) x 100 = 30.08%

Therefore, the compound contains approximately 69.92% iron and 30.08% oxygen.

The percentage composition of the compound found on the suspect's hands indicates that it is primarily composed of iron oxide. The compound consists of approximately 69.92% iron and 30.08% oxygen. This information can be crucial in the investigation of the murder case, as it establishes a link between the suspect and the gunpowder residue. It provides strong evidence that the suspect had direct contact with the gun or was in close proximity to it at the time of the crime.

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Answer:

The charge of a Strontium atom that has 10 electrons is 4.48 × 10⁻¹⁸ C

Explanation:

The atomic number of Strontium is 38

The electronic configuration of Strontium is given as follows;

1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p⁶5s²

The atomic number of Strontium is 38 electrons in orbit and 38 protons in its nucleus and is electronically neutral

38e⁻ + 38e⁺ = 0

When there are only 10 electrons in an atom of Strontium, we have;

10e⁻ + 38e⁺ = +28e

The charge of a Strontium atom that has 10 electrons is +28e

+28e = 28×1.6×10⁻¹⁹ C = 4.48 × 10⁻¹⁸ C

The charge of a Strontium atom that has 10 electrons is +28e or 4.48 × 10⁻¹⁸ C.

The total charge that flows while the battery is being charged is approximately 193,939.39 Coulombs.

To calculate the total charge that flows while the battery is being charged, we can use the relationship between electrical energy, potential difference, and charge.

The electrical energy (E) stored in the battery is given as 64 mega Jules (64 MJ). The potential difference (V) provided by the battery is 330 volts. We know that the energy (E) is equal to the product of the potential difference (V) and the charge (Q):

E = V * Q

Since the charging process is 100% efficient, all the electrical energy supplied is stored in the battery. Therefore, we can rearrange the equation to solve for the charge (Q):

Q = E / V

Substituting the given values, we have:

Q = 64 MJ / 330 V

To perform the calculation, we need to convert mega Jules (MJ) to joules (J) since the SI unit of energy is joules. One mega Joule is equal to 1 million joules:

Q = (64 * 10^6 J) / 330 V

Calculating the division:

Q ≈ 193,939.39 Coulombs

Therefore, the total charge that flows while the battery is being charged is approximately 193,939.39 Coulombs.

This value represents the quantity of electric charge transferred during the charging process, and it indicates the amount of electricity that enters the battery.

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The first level of DNA organization in a eukaryotic cell is maintained by histone molecule. A histone is a protein that gives chromosomes structural support.

A kind of protein that is present in chromosomes. Histones bind to DNA, assist shape chromosomes, and regulate the expression of genes. The lengthy DNA molecules that make up each chromosome must fit inside the cell nucleus. The chromosome takes on a more compact shape as a result of the DNA wrapping around complexes of histone proteins.

Eukaryotic creatures are big and complicated because eukaryotic cells include nuclei that are encased in nuclear membranes. Eukaryotic cells are found in protozoa, fungi, plants, and mammals. A membrane-bound nucleus is a feature of eukaryotic cells. Chloroplasts can be found in plants and algae, while other membrane-bound organelles like the mitochondria and golgi apparatus are frequently seen in eukaryotic cells.

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Answer:

an

Explanation:

It is AN because investigation starts with I ( i is a vowel). When there are vowels we use An.

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The final pressure when the volume is increased to 8.6 L and the temperature remains constant is 0.61 atm. We can use the combined gas law, which states that pressure times volume is directly proportional to the number of moles of gas and the temperature.

If we assume that the number of moles of gas and the temperature remains constant, we can use the following formula:

P1V1 = P2V2

Where P1 is the initial pressure, V1 is the initial volume, P2 is the final pressure, and V2 is the final volume.

We are given that the initial volume is V1 = 5.2 L and we want to find the final pressure when the volume is increased to V2 = 8.6 L. We can plug in the values into the formula and solve for P2:

P1V1 = P2V2

P2 = (P1V1)/V2

P2 = (1 atm x 5.2 L)/8.6 L

P2 = 0.61 atm

It's important to note that this calculation assumes that the gas behaves ideally, meaning that there are no interactions between the gas molecules and that they occupy negligible volume compared to the container. In reality, there may be deviations from ideal behavior and additional factors to consider.

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