Chemical compounds that pollute the atmosphere are.

The final chemical formula will be Cu3(PO4)2. The chemical formula for a compound of copper atoms with a +2 charge and covalently bonded molecules with 1 phosphorus and 4 oxygen atoms is Cu3(PO4)

1. The phosphorus oxide group is covalently bonded to form the PO4 molecule, which has a -3 charge as a whole, due to the presence of four oxygen atoms that have a -2 charge. The Cu2+ ions balance the PO43- ions to create a compound with a neutral charge.

There are two PO43- ions in the formula, which means there are eight oxygen atoms and two phosphorus atoms. To make the formula electrically balanced, there must be three copper atoms, each with a +2 charge.

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There are several ways that atoms can bond with other molecules. Here are two examples:

Ionic bonding: This type of bonding occurs when atoms transfer electrons to one another. Atoms that have a strong tendency to lose electrons (called "electron donors") form positive ions, while atoms that have a strong tendency to gain electrons (called "electron acceptors") form negative ions. When an electron donor and an electron acceptor bond, they form an ionic compound, which is held together by the electrostatic attraction between the positive and negative ions.

Covalent bonding: This type of bonding occurs when atoms share electrons in order to form a stable molecule. Atoms that have similar electronegativities (a measure of an atom's tendency to attract electrons) tend to form covalent bonds, which can be either single, double, or triple bonds depending on the number of electrons shared. Covalent bonds are typically strong and stable, and are responsible for the formation of many of the molecules that make up living organisms.

Both of these types of bonding play important roles in the structure and properties of molecules, and are responsible for many of the chemical reactions that occur in nature.

There are several ways that atoms can bond with other molecules, including:

1. Ionic bonding: This type of bonding occurs when atoms transfer electrons from one atom to another, resulting in the formation of ions with positive and negative charges. The ions are attracted to each other, forming a strong bond.

2. Covalent bonding: This type of bonding occurs when atoms share electrons in order to form a stable compound. Covalent bonds are typically found in molecules made up of non-metals.

3. Metallic bonding: This type of bonding occurs between metal atoms, which are characterized by their ability to lose electrons. The metal atoms form a "sea" of delocalized electrons, which are attracted to the positive nuclei of the metal atoms. This results in a strong bond between the atoms.

4. Hydrogen bonding: This type of bonding occurs when a hydrogen atom is covalently bonded to a highly electronegative atom such as nitrogen, oxygen, or fluorine. The electronegative atom attracts the shared electrons more strongly, resulting in a partial positive charge on the hydrogen atom. This partial positive charge can then interact with other electronegative atoms, forming a hydrogen bond.

Answer:

B

Explanation:

And, water is called the "universal solvent" because it dissolves more substances than any other liquid. This allows the water molecule to become attracted to many other different types of molecules.

Answer:

I believe it's B

Explanation:

Water can dissolve with any that's why it's universal and can dissolve substancrs more than any other Liquid.

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Answer

moles = 5.81 mol

Explanation

Given:

Volume = 144 L

AT SATP

1 mole = 24.4651 L

Solution:

1 mole = 24.4651 L

x mole = 144 L

x = 144/24.4651

x = 5.8 mol

The given statement is true. The filament of a lamp heats up when an electric current passes through it, reaching a temperature where light may be produced. Due to the filament's resistance, the electrical energy used in this operation is first transformed into heat energy.

The electrical energy in an electric bulb is transformed into light and heat. The quantity of electrical energy used to power a bulb equals the sum of the energy released as heat plus the amount of light energy (the desired form) (undesirable form).

An example of electromagnetic radiation is light energy. Photons, the building blocks of light, are created when an object's atoms heat up. The only type of energy that is visible to the human sight is light, which moves in waves.

Electrical energy is converted into light and thermal (heat) energy in the case of a light bulb. Various wattages and bulb designs produce light and heat in different ways.

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a) Rightward shift: 3 shifts. Leftward shift: 4 shifts b) Rightward shift: 1. Leftward shift: c) Rightward shifts: 1 shifts. Leftward shifts: 1, in Equilibrium condition.

a.
- Increase D: rightward shift
- Increase E: rightward shift
- Increase F: leftward shift
- Decrease D: leftward shift
- Decrease E: leftward shift
- Decrease F: rightward shift
- Triple D and reduce E to one third: leftward shift
- Triple both E and F: no shift (because the stoichiometric coefficients are the same for both reactants and products)

b.
- Add more X: no shift (because the reaction is at equilibrium and the concentrations of the reactants and products are already balanced)
- Remove some X: leftward shift
- Double the volume: leftward shift
- Halve the volume: rightward shift

c.
- Increase the temperature: leftward shift
- Decrease the temperature: rightward shift (because according to Le Chatelier's principle, a change in temperature will cause the equilibrium to shift in the direction that absorbs or releases heat)

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Answer:

0.0522 mol NaSo4

Explanation:

3.148 x 10^22 Formula units NaSo4 * 1 mol NaSo4 / 6.02 x 10^23 Formula units NaSo4   = 0.0522 mol NaSo4

The proton-proton chain require a high temperature because at high temperatures the protons have enough speed to overcome the electrical repulsion, option B.

The proton-proton chain, often known as the p-p chain, is one of two known sets of nuclear fusion events that stars use to convert hydrogen to helium. It prevails in stars with masses less than or equal to that of the Sun, but theoretical models predict that the CNO cycle, the second known reaction, would dominate in stars with masses more than around 1.3 times that of the Sun.

The "proton-proton chain reaction," despite its name, is not a chain reaction in the traditional sense. A chain reaction is defined in most nuclear processes as a reaction that creates a product, such as neutrons released during fission, that promptly stimulates another similar event. The proton-proton chain is a succession of processes, similar to a decay chain. The result of one reaction serves as the starting ingredient for the next.

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Complete question:

Why does the proton-proton chain require high temperatures?

By filtration technique using funnel filter out of salt NaCl. By rotary evaporation technique, evaporate the organic solvent and the sucrose will be left.

All plants, including fruits, vegetables, and even nuts, naturally produce sugar, the familiar and beloved simple carbohydrate, which is known by its chemical name, sucrose. Natural sugars such as sucrose can be found in varying concentrations in plants such as fruits, vegetables, and nuts. From sugar cane and sugar beets, sucrose is also economically produced. Your body needs energy to carry out both physical and mental tasks, and sucrose, a carbohydrate, gives you that energy. Foods like sucrose and starch are broken down by your body into fructose and glucose during digestion. To provide energy to your cells, your body breaks down the fructose and glucose.

a study found that taking the more "natural type of sugar" could be just as harmful to your health as ingesting high fructose corn syrup.

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A. If the bubble point pressure is less than the operating pressure of the flash unit (0.6 bar), the mixture will flash. B. The final composition and amount of the phases will depend on the initial vapor fraction and the operating pressure. C. We can repeat the calculation in part B to determine the composition and amount of the equilibrium liquid and vapor at the new conditions. D. If the vapor fraction is high, it may indicate that the feed is rich in the more volatile components, such as toluene.

A. To determine if the mixture will flash, we need to compare the bubble point pressure (the pressure at which the first bubble of vapor appears) with the operating pressure of the flash distillation unit. We can use a software tool or a phase equilibrium diagram to calculate the bubble point pressure for the given mixture. If the bubble point pressure is less than the operating pressure of the flash unit (0.6 bar), the mixture will flash.

B. If the mixture flashes, we can calculate the composition and amount of the equilibrium liquid and vapor using the material balance and the equilibrium relationship. We need to assume an initial vapor fraction, and then calculate the vapor and liquid flow rates, and check if the initial assumption is consistent with the equilibrium relationship.

We can repeat this process until we converge to a consistent solution. The final composition and amount of the phases will depend on the initial vapor fraction and the operating pressure.

C. To determine if the mixture will flash at 1.5 bar and 140°C, we need to repeat the same calculation as in part A, but using the liquid exiting the first flash unit as the feed. If the mixture flashes, we can repeat the calculation in part B to determine the composition and amount of the equilibrium liquid and vapor at the new conditions.

D. To calculate the percentage of the original benzene that is now a vapor, we need to add up the vapor flow rates of benzene in both flash units and divide by the total benzene flow rate in the feed. We can use the same approach to calculate the percentage of toluene that is now a vapor.

The percentage will depend on the operating conditions and the composition of the feed. If the vapor fraction is high, it may indicate that the feed is rich in the more volatile components, such as toluene.

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The value of Ea′ is -53 kJ/mol, and it represents the energy released during the chemical reaction.

The given values ∆E = −33 kJ/mol and Ea = 20 kJ/mol represent the activation energy and the change in energy, respectively, for a chemical reaction. The activation energy, Ea, is the minimum energy required for the reaction to occur, while the change in energy, ∆E, represents the difference between the energy of the reactants and the energy of the products.

The relationship between the activation energy, Ea, and the change in energy, ∆E, can be expressed using the equation: ∆E = Ea + Ea′ where Ea′ represents the energy released during the reaction. Since the change in energy and the activation energy are given, we can rearrange the equation to solve for Ea′: Ea′ = ∆E - Ea

Substituting the given values, we get: Ea′ = −33 kJ/mol - 20 kJ/mol = -53 kJ/mol. Therefore, the value of Ea′ is -53 kJ/mol. This negative value indicates that the reaction is exothermic, meaning that it releases energy as it proceeds. The magnitude of the value (-53 kJ/mol) indicates that the energy released during the reaction is significant.

In summary, the value of Ea′ is -53 kJ/mol, and it represents the energy released during the chemical reaction. This value can be calculated using the equation Ea′ = ∆E - Ea, where ∆E is the change in energy and Ea is the activation energy.

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The electronic configuration of Cd4+ is [Kr] 4d7 5s1.

Electronic configuration also termed as electronic structure as well as electron configuration. It is the arrangement of the electrons in orbitals around an atomic nucleus.

Cadmium is a transition metal which is poisonous in nature. It is denoted by the symbol "cd". Cadmium is located in the d-block elements and the 12 group of the modern periodic table which is possessing an atomic number of 48 and its atomic mass will be 112.411g. The color of the cadmium is silvery grey metallic and the density will be 8.6g/cm3. It commonly used as a sacrificial anode to protect steel and iron from corroding and it is also used in nickel-cadmium batteries.

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Answer:

1. 2Ca + N\(_{2}\) → 2CaN

2. 4Li + O\(_{2}\) → 2Li\(_{2}\)O

3. 2KCl + BaF\(_2\) → 2KF + BaCl\(_2\)

4. CH\(_4\) + 2O\(_2\) → CO\(_2\) + 2H\(_2\)O

Be sure to balance the number of atoms on both sides of each equation only by adding coefficients to the compounds!!!! Those without a coefficient are meant to have a coefficient of 1.

Answer:

OA. YESS

Explanation:

They will because they are all over America.

Sugar, sucrose (C12H22O11: a disaccharide, composed of the two monosaccharides: glucose and fructose), is odorless, that is, it lacks odor. When heated a phase change occurs resulting in melting of a thick syrup.

Answer: They are the same

Explanation:

According to the law of conservation of mass, in a chemical reaction, the amount of matter in the reactants is the same as that of the products. Matter is neither created nor destroyed, thus the mass would, in turn, remain the same.

Milk

Explanation:

because milk is very thick youknow here I go

Answer:

Decomposition

Answer:

iron+flourine.............iron flouride

Fe+F2.............FeF3

the above reaction is not balanced

now to balance this reaction

2Fe+3F2...........2FeF3

now this reaction is balanced

The balanced equation is: 2Fe + 3F2 ⇒ 2FeF3

A chemical equation needs to be balanced if you want to make the wide variety of the atoms of the reactants equal to the variety of the atoms of the goods.

Given,

Iron + fluorine ⇒ Iron Flouride

Fe + F2 ⇒ FeF3

Now to balance this reaction:

2Fe + 3F2  ⇒ 2FeF3

This reaction is balanced.

This medicine is a mixture manufactured from nutrients, iron, and fluoride. it's miles utilized in infants and youngsters to deal with or prevent deficiency because of terrible weight loss programs or low tiers of fluoride in drinking water and other sources.

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In a chemical reaction, bonds in the reactants are broken and new bonds are formed in the products. The energy required to break a bond is known as bond energy. The energy released when new bonds are formed is also bond energy.

In order to determine the true statement about bond energies in a reaction, we need to compare the energy required to break the bonds in the reactants to the energy released when new bonds are formed in the products. If the energy absorbed as the bonds in the reactants are broken is greater than the energy released as the bonds in the product are formed, then the reaction is endothermic, meaning it requires energy input to occur. Conversely, if the energy released as the bonds in the reactants are broken is greater than the energy absorbed as the bonds in the product are formed, then the reaction is exothermic, meaning it releases energy.

Based on this, we can conclude that the true statement about bond energies in a reaction is that the energy released as the bonds in the reactants are broken is greater than the energy absorbed as the bonds in the product are formed. This means that the reaction is exothermic and releases energy.

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The inner-core electrons in a silicon atom do not significantly contribute to determining its electronic properties because they are located in filled energy levels or shells that are closer to the nucleus.

These electrons are tightly bound to the nucleus and are not involved in chemical bonding or interactions with other atoms.

The electronic properties of an atom are primarily determined by its outermost electrons, known as valence electrons. Valence electrons are located in the outermost energy level or shell and are responsible for the atom's ability to form chemical bonds and participate in reactions.

In the case of silicon, which has atomic number 14, it has a configuration of 2, 8, 4, indicating that it has two electrons in the first energy level, eight electrons in the second energy level, and four valence electrons in the third energy level. These valence electrons are responsible for silicon's chemical properties and its ability to form covalent bonds with other elements.

While the inner-core electrons contribute to the overall stability and structure of the atom, they have limited involvement in the atom's chemical behavior and reactivity.

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Answer:



Explanation:

Destabilization that occurs in a molecule when two non bonded atoms are too close together is called Van der Waals repulsion.

When two non bonded atoms come close together then in such situation there are two types of forces that come into play.

First one is Van der Waal attractive forces and the second one is van der Waal repulsion forces.

Van der Waal attractive forces are the forces of attraction between the electronic cloud of one atom/molecule with the nucleus of the other atom/molecule and van der Waal repulsive forces are the force of repulsion between the electronic cloud of the both the atoms/molecules and the repulsion between the nucleus of both the atoms/molecules.

Attractive forces causes stabilization whereas repulsive forces causes destabilization.

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Answer:

The pH of a salt solution is determined by the relative strength of its ​conjugated acid-base pair. Salts can be acidic, neutral, or basic. Salts that form from a strong acid and a weak base are acid salts, like ammonium chloride (NH4Cl).

Explanation:

Answer:

1. Potassium, K.

2. Calcium, Ca.

3. Gallium, Ga.

4. Carbon, C.

5. Bromine, Br.

6. Barium, Ba.

7. Silicon, Si.

8. Gold, Au.

Explanation:

Atomic radius can be defined as a measure of the size (distance) of the atom of a chemical element such as hydrogen, oxygen, carbon, nitrogen etc, typically from the nucleus to the valence electrons. The atomic radius of a chemical element decreases across the periodic table, typically from alkali metals (group one elements such as hydrogen, lithium and sodium) to noble gases (group eight elements such as argon, helium and neon). Also, the atomic radius of a chemical element increases down each group of the periodic table, typically from top to bottom (column).

Additionally, the unit of measurement of the atomic radius of chemical elements is picometers (1 pm = 10 - 12 m).

1. Li or K: the atomic radius of lithium is 167 pm while that of potassium is 243 pm.

2. Ca or Ni: the atomic radius of calcium is 194 pm while that of nickel is 149 pm.

3. Ga or B: the atomic radius of gallium is 136 pm while that of boron is 87 pm.

4. O or C: the atomic radius of oxygen is 48 pm while that of carbon is 67 pm.

5. Cl or Br: the atomic radius of chlorine is 79 pm while that of bromine is 94 pm.

6. Be or Ba: the atomic radius of berryllium is 112 pm while that of barium is 253 pm.

7. Si or S: the atomic radius of silicon is 111 pm while that of sulphur is 88 pm.

8. Fe or Au: the atomic radius of iron is 156 pm while that of gold is 174 pm.

The atoms in each pair which has the larger atomic radius is;

Definition:

Atomic radius is simply the distance from the centre of the nucleus to the outermost shell containing electrons.

In other words, the atomic radius is the distance from the center of the nucleus to the point up to which the electron cloud density is maximum.

Trend:

The atomic radius of atoms generally decreases from left to right across a period. The atomic radius of atoms generally increases from top to bottom within a group.

It is on this basis that atoms with the larger atomic radius are determined

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The negative charge of the electron in the 1s orbital is most near the nucleus, and with increasing distance from the nucleus, the electron is less likely to be found. The probability of finding the electron at any given point in space is described by the wave function of the orbital, which has a peak at the nucleus and decreases smoothly with increasing distance from the nucleus.

The 1s orbital is the lowest energy state of the hydrogen atom. In this orbital, the electron has the highest probability of being found closest to the nucleus. This is because the negatively charged electron is attracted to the positively charged nucleus, which means the electron experiences the highest attractive force when it is closest to the nucleus. As the distance from the nucleus increases, the attractive force between the electron and nucleus decreases, and the electron is more likely to be found farther away from the nucleus. Hence, the negative charge is most near the nucleus and with increasing distance from the nucleus.

The 1s orbital is spherical in shape, and it describes the region of space around the nucleus where the electron is most likely to be found. The probability of finding the electron at any given point in space is given by the wave function of the orbital. The wave function of the 1s orbital has a peak at the nucleus and decreases smoothly with increasing distance from the nucleus.

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Answer:

chemical formula

Explanation:

The name for this W(C2H3O2)4 is the chemical formula for lead(IV) acetate, often known as lead tetraacetate, is Pb(C2H3O2)4.

Chemical formula is defined as any of a number of ways to describe the structure or content of chemical substances. The chemical formula is a way of expressing information about the atomic proportions that make up a certain chemical compound or molecule using the numbers and symbols of the chemical elements. The sorts of atoms and their numbers in a molecule or compound are described using chemical formulae. Each element's atoms are denoted by one or two distinct letters.

It is not a salt because it is a colorless solid that dissolves in nonpolar, organic liquids. Moisture causes it to break down, therefore acetic acid is usually added when storing it. The substance is utilized to create organic compounds.

Thus, the name for this W(C2H3O2)4 is the chemical formula for lead(IV) acetate, often known as lead tetraacetate, is Pb(C2H3O2)4.

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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:

12.56 moles

Explanation: