What must be true of a disproportionate substance?

A. It is composed of oxygen.

B. It is both a reactant and a product.

C.It has an oxidation number of 0.

D. It gains and loses electrons.

Answer: the statement issues are addressed by the people working together is true about activation.

Explanation:

Answer:

Grignard reagents are formed by the reaction of magnesium metal with alkyl or alkenyl halides. They're extremely good nucleophiles, reacting with electrophiles such as carbonyl compounds

Explanation:

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Answer: Copper is purified by electrolysis . Electricity is passed through solutions containing copper compounds, such as copper(II) sulfate. The anode (positive electrode ) is made from impure copper and the cathode (negative electrode) is made from pure copper. Pure copper forms on the cathode.

Galvanic cells can function as batteries and fuel cells and are portable and self-contained. A battery, often referred to as a storage cell, is a galvanic cell (or a group of galvanic cells) that is equipped with all the reactants necessary to produce electricity.

Rechargeable and disposable batteries can be categorized as batteries. Disposable batteries, also known as primary batteries, generate an insoluble substance that sticks to the electrodes and are effectively irreversible in terms of electrode responses. Applying an electrical potential in the other way will allow you to replenish these batteries. An electrolytic cell momentarily replaces a galvanic cell in a rechargeable battery during the charging process.The same fundamental principles that govern galvanic cells also apply to batteries, which are skillfully built devices. Commercial batteries use solids or pastes rather than liquids as reactants in order to maximize the electrical output per unit mass, which is a key distinction between them and the galvanic cells we previously discussed.

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Answer:

8 meters per second per second

Explanation:

Newton's second law: \(f=ma\), force = mass multiplied by acceleration.

Therefore 56 / 7 = acceleration = 8

Nitrogen is 7th element in periodic table. It contains 7 electrons and 7 protons .Hence,  nitrogen should have seven protons instead of six.

Nitrogen is 7th element in periodic table. It is located in the 15th group of p -block in periodic table. Nitrogen exists in the gaseous state thus it is a non-metallic element.

The atomic number of an element is the number of electrons in its atom in the neutral state. For a neutral atom, the number of electrons is equal to the number of protons of the atom.

Hence, nitrogen has the atomic number of 7 implies it contains 7 electrons and 7 protons. Therefore, nitrogen should have seven protons instead of six.

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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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Answer:

Explanation:

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According to EarthObservatory, The Earth’s mantle is mostly made of solid rock. The misconception of a liquid mantle arises from expressions like “a subducted tectonic plate sinks into the mantle” or “continental drift”, expressions that implicitly refer to the liquid element.

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Answer:

See Explanation

Explanation:

If the lab group fails to consider the decomposition reaction of magnesium carbonate when heating the sample, they are likely to conclude that the compound is more hydrated than a trihydrate.

The reason for this is that when magnesium carbonate decomposes upon heating, it loses the carbon dioxide and water molecules in its chemical structure. This means that if the lab group measures the mass of the sample before and after heating, they will observe a decrease in mass due to the loss of water molecules. However, they will not observe a corresponding increase in mass due to the formation of magnesium oxide. As a result, they may mistakenly conclude that the original compound contained more water molecules than it actually did.

In other words, the lab group may observe that the mass of the sample decreases upon heating, which they would interpret as the removal of water molecules from a hydrated compound. However, they may not realize that the decrease in mass is also due to the formation of magnesium oxide, which has a lower mass than magnesium carbonate. This would lead them to overestimate the number of water molecules present in the original compound.

Therefore, it is important for the lab group to consider the decomposition reaction of magnesium carbonate when attempting to determine the number of water molecules in the compound. By doing so, they can obtain a more accurate understanding of the compound's chemical structure and properties.

Answer:

na + B2 = t

Explanation:

Answer:

2NaN3→ 2Na + 3N2 is the balanced equation

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Answer:

solid iodine chlorine gas

The correct order for ranking solid iodine, liquid bromine, and chlorine gas in order of increasing intermolecular force strength is;  chlorine gas < liquid bromine < solid iodine.

Intermolecular forces are forces that hold substances together in a particular state of matter. Intermolecular forces increase in the order; gases < liquids < solids. Solids have the highest magnitude of intermolecular interaction between particles.

Bearing this in mind, the correct order for ranking solid iodine, liquid bromine, and chlorine gas in order of increasing intermolecular force strength is;  chlorine gas < liquid bromine < solid iodine.

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The pH of the solution resulting from the addition of 40 mL of 0.100 M NH3 is approximately 13.000.

To calculate the pH of a solution resulting from the addition of 40 mL of 0.100 M NH3 (ammonia), we need to consider the dissociation of NH3 in water and its equilibrium reaction.

NH3 + H2O ⇌ NH4+ + OH-

Ammonia (NH3) acts as a weak base and partially ionizes in water to produce ammonium (NH4+) and hydroxide (OH-) ions.

Given that the concentration of NH3 is 0.100 M and the volume of the solution is 40 mL (0.040 L), we can calculate the moles of NH3:

moles of NH3 = concentration × volume

= 0.100 M × 0.040 L

= 0.004 moles

Since NH3 is a weak base, we can assume that it fully ionizes to NH4+ and OH-. Therefore, the moles of NH4+ and OH- are equal to 0.004 moles each.

Now, we need to calculate the concentration of OH- ions:

concentration of OH- = moles of OH- / volume of solution

= 0.004 moles / 0.040 L

= 0.100 M

In water, the concentration of H+ and OH- ions are equal due to the principle of water dissociation. Therefore, the concentration of H+ ions is also 0.100 M.

Finally, we can calculate the pOH using the equation:

pOH = -log10[OH-]

= -log10[0.100]

≈ 1.000

The pH of a solution is related to the pOH by the equation pH + pOH = 14. Therefore, we can calculate the pH:

pH = 14 - pOH

= 14 - 1.000

≈ 13.000

Therefore, the pH of the solution resulting from the addition of 40 mL of 0.100 M NH3 is approximately 13.000.

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Answer:

okay

Explanation:

I can help u u can ask question .....

The very high gas pressure used in many industrial gas-phase operations is produced by compressing gases that were at ambient pressure into a substantially smaller volume.

Thus, Changing a gas's volume will alter its concentration, which will alter the rate at which it combines with other substances if all other factors remain constant.

The forward pace of reaction doubles as N2O4 concentration increases. Contrarily, the reverse reaction requires two moles of NO2, hence doubling the quantity of NO2 causes the rate of the reaction to increase by four times.

First and foremost, it's crucial to note that altering a gas-phase reaction system's volume affects both the forward and reverse reaction speeds. The impact on these two rates might not be the same, which is the second crucial aspect.

Thus, The very high gas pressure used in many industrial gas-phase operations is produced by compressing gases that were at ambient pressure into a substantially smaller volume.

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The given chemical equation is: 3Cu + 8HNO3 → 3Cu(NO3)2 + 2NO + 4H2O1Oxygen16Now, let us balance the given chemical equation by following the Law of Conservation of Mass.Balancing the chemical equation: 3Cu + 8HNO3 → 3Cu(NO3)2 + 2NO + 4H2O1Oxygen16Number of atoms on both sides of the chemical equation should be the same. Let's check one by one.Number of Copper (Cu) atoms:

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Given data:H2O vapor content: 13 gramsH2O vapor capacity: 52 grams at 25 degrees Celsius 13 grams at 10∘C52 grams at 30∘CFormula used to find the dew point:$$\dfrac{13}{52}=\dfrac{(A*3\pi)/(ln100)}{(17.27-A)}$$$$\frac{1}{4}=\dfrac{(A*3\pi)/(ln100)}{(17.27-A)}$$

Where A is the constantDew Point:It is the temperature at which air becomes saturated with water vapor when the temperature drops to a point where dew, frost or ice forms. To solve this question, substitute the given data into the formula.$$13/52=\dfrac{(A*3\pi)/(ln100)}{(17.27-A)}$$$$13(17.27-A)=3\pi A(ln100)$$By simplifying the above expression, we get$$A^2-17.27A+64.78=0$$Using the quadratic formula, we get$$A=9.9,7.4$$

The dew point is 7.4 since it is less than 10°C.More than 100:The term "More than 100" has not been used in the question provided.

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Explanation:

The molar mass of the compounds are incorrect

Answer:

1.This answer would be option A.

2. I think that would be 1350

Explanation:

Answer:

1.Yes, it would be found in nature, 1:1 ratio of proton=neutron.

2.No, since it is more likely for atoms with an atomic number greater than 50 to have a 1.5:1 ratio.

Explanation:

hope this helps

1. Yes, it would be found in nature, 1:1 ratio of proton=neutron.

2. No, since it is more likely for atoms with an atomic number greater than 50 to have a 1.5:1 ratio.

No, since it is more likely for atoms with an atomic number greater than 50 to have a 1.5:1 ratio.

The ratio of neutrons to protons (n/p) is a successful way of predicting nuclear stability. This ratio is close to 1 for atoms of elements with low atomic numbers (of less than about 20 protons). The n/p ratio steadily increases as the atomic number increases past element 20 (calcium) to about element 84 (polonium).

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Answer:

All of these examples are physical changes.

Explanation:

Physical changes are changes affecting the form of a chemical substance, but not its chemical composition.

The volume increases and the final volume is 2.1 L

The volume of a gas is directly related to the heat and pressure. If temperature increases, volume increases.

If pressure increases, volume decreases

Based on Boyle's law,

The absolute temperature of a gas is directly proportional to the volume of the gas.

As the balloon change increases its temperature, the volume increases

The Boyle's equation is:

V₁T₂ = V₂T₁

Where,

Replacing :

V₁ = 2.0L

T₂ = 35°C + 273.15 = 308.15K

V₂ = ?

T₁ = 25°C + 273.15 = 298.15 K

2.0L x 308.15 K = V₂ x 298.15 K

2.1 L = V₂

Final volume is 2.1L

Hence, The volume increases and the final volume is 2.1 L

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Answer:

increases, 2.1

Explanation:

I got it right.

The molecular formula of the compound would be C2HCl having empirical formula ch.

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After three half-lives, 12.5% of the original sample of polonium remains.

Polonium is a very infrequent natural element. It is found in uranium ores but it is careless to extract it. It is obtained by bombarding bismuth-209 with neutrons to give bismuth-210, which then purifies to form polonium. All the industrially produced polonium in the world is made in Russia.Po-210 is an effect of the radioactive decay of uranium-238, which decays to radon-222 and then to polonium. Polonium 210 has a half-life of 138 days. Let the opening value of polonium-218 be 100. First half-life. Therefore, 6.25 % of the original sample remains after 4 half-lives that are 12 minutes. Element Polonium has atomic Number 84, p-block, Mass number is 209.

So we can conclude that polonium is a radioactive, silvery-gray, or black metallic element of the oxygen group in the periodic table.

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Cation is the postively charged unit which is formed by the transfer of one or more electrons. It is attracted towards cathode thus it is called the CATION.

Ionic bond is the type of bond which is formed between the positive and negative ions. It is mostly formed between the Metals (i.e. group 1 and 2) and Non metals (i.e. mostly group 7). The positive charge on metal is due to the loosing of electron and negative charge on non metal is due to accepting the electron.

A molecular ion is a covalently bonded set of two or more atoms, that can be considered to behave as a single unit, it also has a charge on it.

Conductivity is more in liquid than in solid because the conductivity is flow of electron and the movement is less in solid than liquids thus the solid has less conductivity. The liquid has more movement of molecules due to which there is more conductivity.

Formula unit is a emperical formula used to express the ions in ionic compounds. It is the least whole number ratio of the ions present in the ionic compound.

Crystal lattice is the arrangement of atoms, molecules, or ions of a crystal in the form of a three dimensional space lattice.

Anion is the negative charged because It receives one electron from the cations thus becomes negatively charged entity. It is attracted towards the positive anode thus it is called anion.

Ionic bond do not form molecules, They form the ions.

One type of bonding i.e. ionic bonding is formed by the attraction between the positive and negative ions.

It is the amount of energy required to change the state of matter.

To determine how much of a chemical to order, the assistant manager should analyze the lab's historical usage data, consider the lead time, and account for any storage limitations or shelf life concerns. Effective communication with the supplier can also provide valuable insights for optimizing the order quantity.

To determine how much of a specific chemical to order, the assistant manager of the lab needs to consider the lead time, which in this case is two weeks.

First, the assistant manager should analyze the usage of the chemical in the lab. This involves reviewing the historical data on how much of the chemical is typically consumed within a given time period, such as a week or a month. By understanding the average usage rate, the assistant manager can estimate the quantity needed for a specific duration.

For example, let's say the lab typically uses 10 liters of the chemical per week. With a lead time of two weeks, the assistant manager would need to order enough to cover the lab's needs for the next two weeks plus a safety stock to account for any unexpected increases in demand or delays in delivery.

To calculate the order quantity, the assistant manager can multiply the average weekly usage by the lead time. In this case, 10 liters per week multiplied by two weeks would result in an order quantity of 20 liters.

However, it's important to consider factors such as storage capacity and shelf life. If the lab has limited storage space or the chemical has a short shelf life, ordering a larger quantity may not be feasible. In such cases, the assistant manager might need to adjust the order quantity accordingly.

Additionally, the assistant manager should communicate with the supplier to check for any minimum order quantities or discounts offered for bulk purchases. This information can help optimize the order quantity and potentially reduce costs.

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Lets write the Electronic configuration.

\(\\ \sf\longmapsto 1s^22s^22p^63s^23p^64s^23d^104p^65s^24d^105p^3\)

The Atomic number of the element Z=51

The electronic configuration of 15th group element antimony (Sb) ends with 5p³. It contains 5 valence electrons. Two in 5s orbital and 3 in 5p orbitals.

Electronic  configuration in an atom describing the filling of electrons in different orbitals. The electrons fills from lower energy levels to the higher energy levels of atom.

The group of elements is based on the valence shell electronic configuration. The electrons which are located in the outer shell or higher energy level is called valence electrons.

The element which is having valence electronic configuration 5s² 5p³ is antimony (Sb). Antimony is 51th element located in the 13th group of periodic table.

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Answer:

the forces i think

Explanation:

The absorption of a free moving neutron by the atoms nucleus

(A P E X)

Answer: A change in appearance. (Please say thanks!)

Explanation:

The biggest sign of a chemical change is change in appearance.

Answer:

d

Explanation:

The comparison of the formulas for nitrogen monoxide and nitrogen dioxide is: The formula for nitrogen monoxide (NO) is NO and the formula for nitrogen dioxide (NO2) is NO2.

Nitrogen monoxide (NO) and nitrogen dioxide (NO2) are both compounds made up of nitrogen and oxygen.

The difference between the two lies in the number of oxygen atoms present in each molecule.

NO contains one oxygen atom, while NO2 contains two oxygen atoms. NO is commonly known as nitric oxide and is a colorless and odorless gas that acts as a signaling molecule in the body.

NO2, on the other hand, is a reddish-brown gas that has a sharp, pungent odor and is a toxic air pollutant.

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