If limestone is not lined with firebrick explain what would happen

Answer:

Neon

Explanation:

Chemical element Chemical series Electron configuration

3 . Li -Lithium Alkali metal [He] 2s1

4 . Be-Beryllium Alkaline earth metal [He] 2s2

5. B -Boron Metalloid [He] 2s2 2p1

6. C-Carbon Reactive nonmetal [He] 2s2 2p2

7 . N -Nitrogen Reactive nonmetal [He] 2s2 2p3

8. O-Oxygen Reactive nonmetal [He] 2s2 2p4

9. F -Fluorine Reactive nonmetal [He] 2s2 2p5

10. Ne-Neon Noble gas [He] 2s2 2p6

Answer:

2 mole of Sodium hydroxide reacts with 1 mole of Sulfuric acid

Explanation:

Write down the equation in the beginning with reactants and products:

NaOH + H₂SO₄ → Na₂SO₄ + H₂0

Now try to balance it. Try with Na first:

2NaOH + H₂SO₄ → Na₂SO₄ + H₂0

Na atoms are balanced. There are 6 Oxygen atoms on the right and 5 on the left. Balance by increasing the H₂O moles:

2NaOH + H₂SO₄ → Na₂SO₄ + 2H₂0

Check if H atoms are also balanced. They are. That means our final reaction is:

2NaOH + H₂SO₄ → Na₂SO₄ + 2H₂0

2 Moles of NaOH reacts with 1 mole of H₂SO₄

The moles of sodium hydroxide required to neutralize 1 mole of sulfuric acid have been 2 mol.

The balanced chemical equation for the titration of sodium hydroxide against sulfuric acid has been:

\(\rm 2\;NaOH\;+\;H_2SO_4\;\rightarrow\;Na_2SO_4\;+\;2\;H_2O\)

From the balanced chemical equation, for the titration of 1 mole of sulfuric acid, 2 moles of sodium hydroxide has been required.

The moles of sodium hydroxide required for the titration of sulfuric acid has been:

\(\rm 1\;mol\;H_2SO_4=2\;mol\;NaOH\)

Thus, the neutralization of 1 mole of sulfuric acid has been required 2 mol of sodium hydroxide.

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Answer:

Sc3F3

I hope its help for you

The Omnipotent view of management refers to the belief that managers are directly responsible for an organization's success or failure. According to this view, managers have the power and control to make decisions that will significantly impact the organization's performance.

In terms of the organizational environment, ABC CO needs to focus on several aspects. Firstly, it should prioritize building strong relationships with customers by understanding their needs and delivering value through its products or services. Secondly, maintaining good relationships with suppliers is crucial to ensure a reliable supply chain and access to necessary resources. Thirdly, keeping a close eye on competitors is essential to stay competitive and identify opportunities for differentiation. Lastly, monitoring and adapting to economic, legal, and socio-cultural factors is vital to ensure compliance with regulations and aligning the organization with societal trends and expectations.

In conclusion, the Omnipotent view of management emphasizes the influence of managers in shaping organizational outcomes, while the Symbolic view recognizes the significance of external factors. For the current state of ABC CO, a balanced approach that considers both internal and external factors would be beneficial. The culture should promote collaboration, innovation, and adaptability, while the organization should focus on building strong relationships with customers, suppliers, and competitors while adapting to the economic, legal, and socio-cultural environment.

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An atom is held together by three forces: the strong nuclear force, the electromagnetic force, and the weak nuclear force.

The strong nuclear force is the strongest of the three forces and is responsible for binding the protons and neutrons together in the nucleus of an atom. The strong nuclear force is a short-range force that acts only over a very small distance, and it is strong enough to overcome the repulsive forces between the protons, which are positively charged particles.

The electromagnetic force is the second strongest of the three forces, and it is responsible for binding the electrons to the nucleus of an atom. The electromagnetic force is a long-range force that acts over a larger distance than the strong nuclear force, and it is caused by the attraction between opposite charges (positive and negative).

The weak nuclear force is the weakest of the three forces, and it is responsible for certain types of radioactive decay, such as beta decay. The weak nuclear force is a short-range force that acts only over a very small distance, and it is much weaker than the strong nuclear force and the electromagnetic force.

Overall, the three forces at work that hold an atom together are the strong nuclear force, the electromagnetic force, and the weak nuclear force. These forces act at different ranges and with different strengths, but they all play a crucial role in maintaining the stability and integrity of an atom.

Answer:

a . knowledge and existing theories .

b. falsifiable scope

The kinetic-molecular theory is a model that describes the behavior of matter at a microscopic level.

In solids, this theory suggests that the particles (atoms or molecules) that make up the solid are in constant motion and are held together by strong intermolecular forces. The particles vibrate about their fixed positions and the amplitude of the vibration increases as the temperature increases. This theory also explains properties such as thermal expansion, specific heat, and thermal conductivity of solids.

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Answer:

C

Explanation:

The partial pressure of nitrogen in the vessel is 13.0 kPa.

In the study of gases, the term "partial pressure" refers to the pressure that a single gas would experience if it were to occupy the same volume as the complete mixture. The quantity of a gas's molecules in a mixture directly relates to its partial pressure. The total pressure in a gas mixture is the sum of the partial pressures of the individual gases. By multiplying the mole fraction of the gas in the mixture by the combination's total pressure, it is possible to get the partial pressure of a gas. Chemistry, physics, and engineering all use the idea of partial pressure extensively. Understanding the behavior of gases in numerous chemical and physical processes, such as gas exchange in the lungs and gas solubility in liquids, requires an understanding of partial pressure.

To find the partial pressure of nitrogen in the vessel, we need to use the mole fraction of nitrogen and the total pressure of the mixture.

moles of nitrogen = mass of nitrogen / molar mass of nitrogen = 4.0 g / 28.0134 g/mol = 0.1425 mol

moles of helium = mass of helium / molar mass of helium = 6.0 g / 4.0026 g/mol = 1.499 mol

The total number of moles of gas in the vessel is:

total moles = moles of nitrogen + moles of helium = 0.1425 mol + 1.499 mol = 1.6415 mol

The mole fraction of nitrogen is:

mole fraction of nitrogen = moles of nitrogen / total moles = 0.1425 mol / 1.6415 mol = 0.0868

The partial pressure of nitrogen is:

partial pressure of nitrogen = mole fraction of nitrogen x total pressure = 0.0868 x 150 kPa = 13.0 kPa

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Answer:

D. 2NO2(g) → N204(9)

Explanation:

A p e x

2NO\(_2\)(g) → N\(_2\)O\(_4\)(g) reactions would have a decrease in entropy. Therefore, the correct option is option D.

Entropy is a measureable physical characteristic and a scientific notion that is frequently connected to a condition of disorder, unpredictability, or uncertainty. From classical thermodynamic, where it was originally recognized, towards the microscopic explanation of nature within statistical physics, the name and concept are employed in a variety of disciplines.

It has numerous applications in physics and chemistry, biological systems and how they relate to life, cosmology, economics, society, weather science, and information systems, especially the exchange of information. 2NO\(_2\)(g) → N\(_2\)O\(_4\)(g) reactions would have a decrease in entropy.

Therefore, the correct option is option D.

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Answer:

About 21.2 moles.

Explanation:

Recall the ideal gas law:

\(\displaystyle PV = nRT\)

Where P is the pressure of the gas; V is its volume; n is the number of moles of gas; R is the universal gas constant; and T is the absolute temperature.

Rearrange to solve for n:

\(\displaystyle n = \frac{PV}{RT}\)

Because R has units of L-atm/mol-K, convert the pressure to atm:

\(\displaystyle 1720 \text{ kPa} \cdot \frac{1\text{ atm}}{101.3\text{ kPa}} = 17.0\text{ atm}\)

And convert from Celsius to kelvins:
\(\displaystyle \begin{aligned}T _ k & = T_C + 273.15 \\ \\ & = (20.0) + 273.15 \\ \\ & = 293.2\text{ K} \end{aligned}\)

Hence substitute and evaluate:
\(\displaystyle \begin{aligned} n & = \frac{PV}{RT} \\ \\ & = \frac{\left(17.0\text{ atm})(30.00\text{ L})}{\left(\dfrac{0.08206\text{ L-atm}}{\text{mol-K}}\right)(293.2\text{ K})} \\ \\ & = 21.2\text{ mol } \end{aligned}\)

In conclusion, there are about 21.2 moles of acetylene in the tank.

When calcium reacts with water to form calcium hydroxide and hydrogen in the balanced equation for this reaction, then the coefficient of hydrogen will be 1.

Calcium is a chemical element having symbol Ca and its atomic number will be 20. As an alkaline earth metal, calcium is a very reactive metal that forms a dark oxide-nitride layer when it is exposed to air. Its physical as well as chemical properties are most similar to its heavier homologues strontium and barium. It is the fifth most abundant element in Earth's crust, and the third most abundant metal, after iron and aluminum.

The balanced chemical equation for the reaction of calcium with water to form calcium hydroxide and hydrogen is:

Ca + 2H₂O → Ca(OH)₂ + H₂

In this equation, the coefficient of hydrogen (H₂) is 1.

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The balanced  chemical equation for the reaction that takes place when a solution of sodium sulfate is mixed with strontium chloride is

Na2SO4 + SrCl2 → 2Nacl + SrSO4

Balanced chemical equation is a chemical reaction in which the number of atoms and moles of the reactant side is the same as the product. This means the reactant side has equal number of atoms and moles with the product.

The balanced equation for the reaction that takes place when a solution of sodium sulfate is mixed with strontium chloride is

Na2SO4 + SrCl2 → 2Nacl + SrSO4

In this reaction, sodium sulfate with strontium chloride to form sodium chloride and strontium sulfate. The coefficients in the balanced equation indicate the stoichiometric ratios of the reactants and the products, ensuring that the same number of atoms of each element is present on both sides of the equation.

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Answer:

Explanation:

step by step is in the attached

No, it does not pass the "fat pencil" test. Therefore, a normal distribution is not a reasonable model. Option B is the correct answer.

The "fat pencil" test is a quick visual check to determine if a dataset can be reasonably approximated by a normal distribution. In this case, the pH readings of wastewater show a significant deviation from a normal distribution. The presence of several low pH values (1.0) and a few high pH values (10.0, 10.5, 11.4) indicate a non-normal distribution with skewness and potential outliers. Therefore, it is not reasonable to model these data using a normal distribution.

Option B is the correct answer.

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Answer:

line graph

Explanation:

i just did the instruction :)

Answer:

line graph

Explanation:

edge chemistry

Answer:

The answer is C

It's a model of Decomposition reaction

Answer:

here you go

Explanation:

Atomic Number (Z) = Mass Number (A) - Number of Neutrons An atom has 5 protons, 5 electrons and 6 neutrons The atomic number = number of protons = number of electrons = 5 The mass number = 5 protons + 6 neutrons = 11

Answer:

Mass is lost due to the conversion of mass to energy

Explanation:

The question is not complete, the complete question is given as:

        \(^{235}_{72}U +^{1}_{0}n\)                       ⇒        \(^{140}_{56}Ba+^{93}_{36}Kr+3^{1}_{0}n+energy\)

total mass equals 236.053 u              total mass equals 235.868 u

Which statement explains the energy term in this reaction? (1) Mass is gained due to the conversion of mass to energy. (2) Mass is gained due to the conversion of energy to mass. (3) Mass is lost due to the conversion of mass to energy. (4) Mass is lost due to the conversion of energy to mass.

Answer: From Einstein’s equation  E = mc², when a radioisotope element undergoes fission or fusion in a nuclear reaction, it loses a tiny amount of mass.This mass lost is converted to energy.

The law of conservation of energy  holds for this type of reaction (i.e  the sum of mass and energy is remains the same in a nuclear reaction). Mass changes to energy, but the total amount of mass and energy combined remains the same before and after a nuclear reaction.

From the reaction above, the total decrease in mass = 236.053 - 235.868 = 0.185 u

Hematite and magnetite are important ore minerals of iron found in various geological formations, including banded iron formations, sedimentary deposits, and igneous rocks.

These minerals are typically extracted from iron ore deposits through mining and processing operations, and are used to produce iron and steel for a wide range of industrial and construction applications. Hematite is usually reddish brown in color and has a rust-like appearance, while magnetite is black or dark brown and has magnetic properties due to its high iron content. Both minerals are abundant and widely distributed around the world, with major deposits found in countries such as Australia, Brazil, China, India, Russia, and the United States.

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Hematite and magnetite are important ore minerals of iron found in various geological formations, including banded iron formations, sedimentary deposits, and igneous rocks.

These minerals are typically extracted from iron ore deposits through mining and processing operations, and are used to produce iron and steel for a wide range of industrial and construction applications. Hematite is usually reddish brown in color and has a rust-like appearance, while magnetite is black or dark brown and has magnetic properties due to its high iron content. Both minerals are abundant and widely distributed around the world, with major deposits found in countries such as Australia, Brazil, China, India, Russia, and the United States.

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Ionic bonds are a type of chemical bond that occurs between two atoms when one or more electrons are transferred from one atom to another.

Ionic Bond involves the electrostatic attraction between positively charged ions (cations) and negatively charged ions (anions) that are formed as a result of this electron transfer.

Here are a few examples of minerals that are classified as ionic compounds:

1. Sodium Chloride (NaCl): Commonly known as table salt, sodium chloride is a mineral formed by the ionic bonding between sodium cations (Na+) and chloride anions (Cl-).

2. Calcium Carbonate (CaCO₃): Calcium carbonate is a mineral found in various forms, including limestone, chalk, and marble. It is composed of calcium cations (Ca²⁺) bonded to carbonate anions (CO₃²⁻).

3. Potassium Feldspar (KAlSi₃O₈): Potassium feldspar is a group of minerals that includes orthoclase, microcline, and sanidine. It consists of potassium cations (K+) bonded to aluminum silicate anions (AlSi₃O₈).

4. Magnesium Sulfate (MgSO₄): Magnesium sulfate, also known as Epsom salt, is an ionic compound composed of magnesium cations (Mg²⁺) bonded to sulfate anions (SO₄²⁻).

5. Iron Oxide (Fe₂O₃): Iron oxide is a mineral category that includes compounds such as hematite and magnetite. It consists of iron cations (Fe³⁺) bonded to oxide anions (O₂⁻).

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Answer:

1.)C₃H₈O

2)OH

3.)1-propanol

1.) C4H8O

2.) C2H6O or CH3CH2OH

3.)Ethanol

Explanation:

Hope this help

Acetic acid is a polar compound due to the presence of the carboxyl group (COOH). Among the given options, the appropriate solvents to dissolve acetic acid are water (\(H_2O\)) and methanol (\(CH_3OH\)).

The oxygen atom of acetic acid exhibits a partial negative charge, while the hydrogen atom bears a partial positive charge. This polarity allows acetic acid to form hydrogen bonds with other polar molecules.

In conclusion, water and methanol are suitable solvents for dissolving acetic acid due to their polar nature and the presence of an OH group, allowing for hydrogen bonding with the polar acetic acid molecule.

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Answer: Segment B

Explanation:

On a graph, a line traveling upwards from left to right is considered positive. A line traveling downwards from left to right is considered negative. A line neither traveling upwards or downwards is neutral. Based on this, we can see that segment B is traveling downwards, so it would represent a negative acceleration.

The given information refers to a scientific article titled "A CCSD(T) Investigation of Carbonyl Oxide and Dioxirane" authored by Cremer, D., Gauss, J., Kraka, E., Stanton, J. F., and Bartlett, R. J., published in the journal Chemical Physics Letters in 1993, with the volume number 209 and pages 547-556.

The mentioned article focuses on a computational study using the CCSD(T) method to investigate carbonyl oxide and dioxirane. The authors explore various aspects such as equilibrium geometries, dipole moments, infrared spectra, heats of formation, and isomerization energies associated with these compounds. By employing advanced computational techniques, they aim to provide insights into the molecular properties and behavior of carbonyl oxide and dioxirane, which have relevance in the field of chemical physics.

The CCSD(T) method is a high-level quantum mechanical approach used to accurately describe the electronic structure and properties of molecules. Through this study, the authors aim to contribute to the understanding of the structures, properties, and reactivity of carbonyl oxide and dioxirane. The investigation of these compounds is important for gaining insights into their potential applications in various chemical processes and reactions.

Overall, the article by Cremer, Gauss, Kraka, Stanton, and Bartlett provides valuable information about the theoretical investigation of carbonyl oxide and dioxirane, shedding light on their characteristics and behavior at the molecular level.

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An object is given a charge of positive 7mC. A bunch of electrons were removed from the object describes what happened when the object was charged. Correct option is A.

When electrons are added to or taken away from an object, an electrical charge is produced. An object acquires a negative charge when electrons are introduced to it because electrons have a negative charge. An object acquires a positive charge when its electrons are removed.

When two materials rub against one another or come into touch, an electrical charge is produced. Electrons can actually rub off of one thing and onto another when the materials are in touch. This does not imply that any two materials will move electrons when rubbed together. Other materials are far more likely to take electrons, whereas some materials are much more ready to offer electrons. A triboelectric series is a list of materials arranged according to their capacity to donate electrons.

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Answer:

See below, please.

Explanation:

With water

2Na+2H2O=2NaOH+H2 (gas)

With dilute acids

for example, HCl

2Na+2HCl=2NaCl+H2 (gas)

When (trans, trans)-hepta-3,5-dien-1-yne is reacted with Pd/C and H2, the product that is formed is (trans, trans)-hept-3-en-1-ol.

The reaction between the given compound and Pd/C and H2 undergoes catalytic hydrogenation or reduction. It is a type of chemical reaction in which an unsaturated bond present in a molecule is reduced by the addition of hydrogen gas (H2) with the help of a catalyst.

In this case, the given compound contains two triple bonds and no double bonds. So, it is known as diyne. When it is subjected to hydrogenation in the presence of a catalyst like Pd/C and H2, it undergoes hydrogenation and reduces its two triple bonds to double bonds. The two hydrogen atoms are added to each triple bond to form two single bonds.To write the balanced chemical equation for this reaction, we have:(trans, trans)-hepta-3,5-dien-1-yne + H2 (in presence of Pd/C) → (trans, trans)-hept-3-en-1-olHence, the final product formed when (trans, trans)-hepta-3,5-dien-1-yne is reacted with Pd/C and H2 is (trans, trans)-hept-3-en-1-ol.

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