Write a balanced net ionic equation for a redox reaction that results in the formation of potassium chloride. (Assume that potassium chloride is not a starting material, and assume the reaction takes place in aqueous solution.)

Based on the provided information, the number of grams of carbon should you end with is 5g.

If you start with 5 grams of carbon on the reactant side, the grams of carbon you should end with 5g based on the law of conservation of mass. The law of conservation of mass, also known as principle of mass conservation postulate that for any system closed to all transfers of matter and energy, the system mass must remain constant over time, as the mass of system cannot change, so quantity can neither be added nor be removed. Hence, the law states that mass is neither created nor destroyed in a chemical reaction. Hence, the grams of reactants that one starts with, one will end with the same amount. Chemicals recombine to give a different compound in the product, the mass is still always conserved.

Note: The question is incomplete. The complete question probably is: If you start with 5 grams of carbon on the reactant side, how many grams of carbon should you end with?

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Ca3(PO4)2 has a molar mass of 310.18 g/mol.

The sum of the molar masses of a compound's component parts determines its molar mass. The molar masses of calcium, phosphorus, and oxygen must be added up in order to determine the molar mass of Ca3(PO4)2.

The molar mass of calcium is 40.08 g/mol.

The molar mass of phosphorus is 30.97 g/mol.

The molar mass of oxygen is 16.00 g/mol.

There are 3 moles of calcium, 2 moles of phosphorus, and 8 moles of oxygen in the compound Ca3(PO4)2.

As a result, the formula for calculating the compound's molar mass is: 340.08 + 230.97 + 8*16 = 120.24 + 61.94 + 128 = 310.18 g/mol

Consequently, Ca3(PO4)2 has a molar mass of 310.18 g/mol.

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The substance that he will have the most will be sodium chloride.

More than 70% of the surface of the Earth is covered by seawater, the liquid that makes up the oceans and seas. 96.5 percent of seawater is made up of pure water, 2.5 percent salt, and minor amounts of dissolved inorganic and organic compounds, particles, and a few atmospheric gases.

When a chemist analyzes the composition of a sample and heats it to cause the water to evaporate, he is left with the solid substances that had been dissolved in the sample. Sodium chloride is the most significant salt that is created by ocean water. He next goes through a series of steps to separate the solid materials from one another. The highest substance found in ocean water, according to his measurements, is salt, specifically sodium chloride.

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When Br2(l) boils at its normal boiling point, its entropy increases as it is positive.

The level of randomness found inside a substance's molecules is known as entropy.

The temperature at which atmospheric pressure and a liquid's vapor pressure are equal is known as the boiling point.

The amount of heat energy required to convert one mole of a substance from its liquid state into its gaseous state at constant temperature and pressure is referred to as the molar enthalpy of vaporization.

Entropy increases when a liquid is heated because the randomness between the molecules increases. As a result, entropy will rise.

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Answer:

It is not possible to determine whether the crystallization of sodium acetate is endothermic or exothermic simply by feeling the sides of the flask. To determine the heat of crystallization, you would need to measure the temperature of the solution before and after crystallization and compare the two values.

The heat of crystallization is defined as the heat absorbed or released during the process of crystal formation from a solution or a melt. If heat is absorbed during the process, the reaction is endothermic and the temperature of the solution or melt will decrease. If heat is released, the reaction is exothermic and the temperature will increase.

In the case of sodium acetate, it is an exothermic reaction, meaning that heat is released during crystallization and the temperature of the solution will increase. This is because the process of forming the crystal lattice requires the breaking of hydrogen bonds and other intermolecular forces, which releases energy.

Explanation:

Answer:

exothermic

Explanation:

When you crystallize the solution, sodium acetate forms a new bond from the soluble aqueous state ( Na+ and C2H3O2- ) to the solid state (NaC2H3O2). Forming bonds in chemistry is generally an exothermic reaction.

(C) moved faster and spread farther apart

An increase in temperature indicates the molecules in the liquid move faster and spread farther apart. The mercury thermometer was named after physicist Daniel Gabriel Fahrenheit in Amsterdam. Mercury thermometers are useful in many ways such as measuring body, liquid, and vapor temperature. The movement of the liquid in a thermometer shows changes in temperature. With an increase in temperature shows the molecules in the liquid are moving faster and the temperature is rising in the thermometer. The mercury expands to indicate a higher temperature up the tube which is marked in order to recognize a measurement of temperature. Mercury thermometers are rare today as most of them are toxic nowadays. A Mercury thermometer consists of a bulb containing mercury attached to a glass tube; the volume of mercury in the tube is much less than the volume in the bulb.

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It saves energy, minimizes air and water pollution, cuts greenhouse gas emissions, and protects natural resources. Stanford recycled, composted, and otherwise decreased its trash by 62% and reduced landfill by 35%.

It saves energy, minimizes air and water pollution, cuts greenhouse gas emissions, and protects natural resources. Stanford recycled, composted, and otherwise decreased its trash by 62% and reduced landfill by 35%. The process of transforming waste resources into new materials and things is known as recycling. This notion frequently includes the recovery of energy from waste materials. The capacity of a material to regain the attributes it had in its original form determines its recyclability. Recycling is the collection and processing of items that would otherwise be discarded as waste in order to create new goods. Recycling may help your town, economy, and environment.

Here,

It saves energy, decreases air and water pollution, lowers greenhouse gas emissions, and protects natural resources. Stanford recycled, composted, and avoided landfill by 62% and 35%, respectively.

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Answer:

The Alleles gene shows up even when inherited only from one parent

Explanation:

The two alleles in a gene pair are inherited, one from each parent. Alleles interact with each other in different ways. These are called inheritance patterns.

i hope this helped

The reaction would have a Kp of  3.01 * 10^34. Option B

We know that the equilibrium constant of the reaction is the value that would be able to show us how much of the reactants that have been converted to products when the reaction has attained the point of equilibrium at a given temperature.

As such we would have that;

Kp= Kc (RT)^Δn

Kp = ?

Kc = 1.22 * 10^ 33

R = 0.082

T = 301 K

Then we have that;

Kp =  1.22 * 10^ 33(0.082 * 301)^ 1

Kp = 3.01 * 10^34

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A balanced nuclear equation for power generation by nuclear fission is given below:

The process of nuclear fission involves the splitting of an atom's nucleus into two or more smaller nuclei. Even by the energetic standards of radioactive decay, the fission process releases a very high quantity of energy and frequently results in gamma photons.

Nuclear fission is applied in nuclear power generation in a nuclear reactor.

The fissionable nuclear material is separated in the nuclear reactor so that a critical mass cannot exist, and the neutron flux and absorption are controlled to stop the fission reactions. The energy released during fission processes in a nuclear reactor used to generate electricity is trapped as thermal energy and used to heat water and create steam. The steam is utilized to turn a turbine, which powers an electricity-generating generator.

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Answer:

I don't know I am sorry

The Correct answer is 50 Meters,Displacement is defined to be the change in position of an object.

Displacement is the term used to describe the shift in an object's location or the shortest path/length between two places. With such a magnitude and orientation, it is a vector quantity.

Displacement=Δx=x f −x 0

The student's path fortunately consisted of straight lines and right angles. Therefore we can use the pythagorean theorem to find the distance between where the student's path started and stopped.

A2+B2= C2.

We Give

meters east in for A, 40.

meters north for B  60 .

Distance =40+60+20=110m

Displacement OC= Root of (40 ²+30 ²)

                            = 50 m

That's the length of the distance between where the student started and where the student ended up.

A2 plus B2 equals C2. We plug 30. meters east in for A, and 40. meters north for B. 30. meters squared plus 40. meters squared equals 2500 meters2. Then we take the square root of that number and get 50. meters.

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Your limiting reagent will be copper (II) chloride. The mole ratio is the most crucial tool you'll have to tackle this problem, or any other stoichiometry problem, for that matter.

Keep in mind that in order to make 3 moles of copper from 3 moles of copper (II) chloride, you need 2 moles of aluminum. Unbalanced reaction: Al(s)+HCl(aq) AlCl3(aq)+H2(g). Cl. Balance On the product side there are three Cl atoms and on the reactant side there is one. There is only one hydrogen atom on the reactant side and two on the product side of the reaction Mg + HCl MgCl 2 + H 2. The equation is therefore unbalanced.

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The Lewis acid in the following reaction: Pt2+(aq) + 4NH3 (aq) ?Pt(NH3)4,2+(aq) is : a) Pt2+.

Platinum ion (Pt2+) ( P t 2 + ) is a Lewis acid in the given reaction because it accepts pair of electron from ammonia.

A Lewis acid is any substance, such as H+ ion, that can accept a pair of nonbonding electrons. In other words, Lewis acid is an electron-pair acceptor. Lewis acid is chemical species that has an empty orbital which is capable of accepting electron pair from Lewis base to form a Lewis adduct.

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The correct answer is : Nitrogen's molecule bends into a trigonal pyramidal shape due to the presence of one lone pair of electrons

O eg=tetrahedral, mg=trigonal pyramidal

The electron geometry (eg) of NCl3 is determined by the positions of the electrons around the central atom, nitrogen (N). NCl3 has one lone pair of electrons on nitrogen and three bonding pairs of electrons with chlorine atoms, so the electron geometry is tetrahedral. NCl3's molecular geometry (mg) is determined by the atom positions in the molecule. In a trigonal pyramidal shape, NCl3 has one nitrogen atom in the centre and three chlorine atoms surrounding it. Nitrogen's molecule bends into a trigonal pyramidal shape due to the presence of one lone pair of electrons. Electron geometry, also known as electron pair geometry, is the arrangement of electron pairs in a molecule or ion around a central atom. It is determined by the number of electron pairs surrounding the central atom, which includes both bonding pairs and lone electron pairs. The electron geometry can be used to predict the overall shape of a molecule or ion and also helps to understand the polarity of the molecule.

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PBr₃ and Carbon Tetraiodide is a covalent compound. Whereas, KBr and Iron (III) Oxide is an ionic compound.  

Covalent compounds and molecular compounds are those compound where two non-metals, or a non-metal are bonded to each other through the sharing pair of electrons.

PBr₃ are covalent because phosphorous is in the column 3 in periodic system and it has three valence electrons in its outer shell. Therefore, in case of Carbon Tetraiodide carbon and iodide both are non-metals that why they are covalent compounds.

KBr and Iron (III) Oxide both are Iron (III) Oxide because they are formed by the interaction between a metal and non-metal. They will transfer the electrons from positively to negatively charged atoms.

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Mole measure the number of elementary entities of a given substance that are present in a given sample. Therefore, 8.0 mol of CuS form when  8.0 mol CuSO[tex]_4[/tex]  reacts.

The SI unit of amount of substance in chemistry is mole. The mole is used to measure the quantity or amount of substance. We know one mole of any element contains 6.022×10²³ atoms which is also called Avogadro number. The stoichiometry represents the number of moles.

Na[tex]_2[/tex]S + CuSO[tex]_4[/tex]→ Na[tex]_2[/tex]SO[tex]4[/tex] + CuS

moles of  Na[tex]_2[/tex]S  =9.0 mol

moles of  CuSO[tex]_4[/tex]=8.0 mol

Since CuSO[tex]_4[/tex] is limiting reagent

moles of CuS=8.0 mol

Therefore, 8.0 mol of CuS form when  8.0 mol CuSO[tex]_4[/tex]  reacts.

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Answer:

0.25 moles

Explanation:

Answer:

This is true. A seismograph measures the size of a volcano eruption by detecting the vibrations that are produced by the volcanic activity. The vibrations can then be converted into a numerical value that represents the magnitude of the eruption.

Explanation:

Iron has a BCC crystal structure, an atomic radius of 0. 124 nm, and an atomic weight of 55. 85 g/mol. its theoretical density is 7.9 g /cm³.

The molar mass of the iron = 55.85 g/mol

The atomic radius = 0.124 nm

the edge length is given as :

a = (4r) / √3

a = ( 4 × 0.124 × 10⁻⁷ cm ) / √3

a = 2.86 × 10⁻⁸ cm

The density is given below :

density = ( Z × M ) / Na × a³

density = ( 2 × 55.85 ) / (6.023 ×10²³) × ( 2.86 × 10⁻⁸ )

density = 7.9 g/cm³

Thus the theoretical density is 7.9 g/cm³.

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Geometry for the complex ion [Co(en)(H2O)4]2+ that are possible is : Octahedral.

A compound with six atoms or groups of atoms or ligands grouped symmetrically around a central atom and defining the vertices of the octahedron represents the shape of an octahedron in chemistry and is known as an octahedral molecular geometry (also known as a square bipyramid).

The prefix is octa because the octahedron has eight faces. Octahedral bond angle values between 90° and 180° are what determine the octahedral shape. The angles between each of the four atoms that make up the square bases of the two pyramids of the octahedral structure and one of the apex atoms are both 90 degrees.

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Answer:

The answer is 21.5 L

Explanation:

Neutral carbon-14 contains six electrons, six protons, eight neutrons.

- The smallest particle that may exist, an atom, is what creates the entire cosmos. It has a core nucleus that houses the neutral species known as neutrons and positively charged species known as protons.

The orbit of the nucleus is being circled by negatively charged species of electrons. The atomic number of an atom is determined by its protons, and the number of protons is always equal to the number of electrons.

The carbon-14 in this instance is an isotope of carbon-12 with a mass number of 14. Atomic number six carbon has a total of six protons and six electrons.

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2 moles of Al₂O₃ will be produced when 4 moles of Al reacts in accordance with the above equation.

Stoichiometry refers to the study and calculation of quantitative (measurable) relationships of the reactants and products in chemical reactions (chemical equations).

According to this question, 6.0 moles of Al reacts with 4.0 mol of oxygen gas to form Al₂O₃ as follows:

4Al + 30₂ → 2Al₂O₃

Based on the above equation, 4 moles of Al reacts to form 2 moles of aluminium oxide.

This means that 4 moles of aluminium will produce 4 × ²/4 = 2 moles of aluminium oxide.

Therefore, 2 moles of Al₂O₃ will be produced by 4 moles of aluminium.

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The relation between CO₂ and O₂ for sea urchins is impacted by the rise in carbon dioxide and oxygen is absorbed from the water.

The exoskeleton of sea urchins, which are found in the ocean, is comprised of calcium carbonate. They create calcium carbonate by absorbing the carbon dioxide from the water. As waste, they discharge carbon dioxide out of the anus.

The sea urchin takes its oxygen from the water. In the canals, oxygen diffuses. Oxygen diffuses into the cells from canals. The ocean's pH may rise as a result of the increased carbon dioxide. A higher pH has a deleterious impact on the calcification process. Therefore, the increased carbon dioxide has an impact on how the larvae and adults of sea  urchins calcify.

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When a beaker of ethanoic acid is placed in the refrigerator and mix it with sodium carbonate, its temperature drops down and endothermic reaction take place.

[tex]2CH_{3} COOH + NaCO_{3}[/tex]    ⇒ [tex]CH_{3}COONa + NaHCO_{3}[/tex]

This chemical reaction is a reversible reaction.

Ethanoic acid and sodium carbonate combine to form an endothermic reaction that results in fizzing as carbon dioxide is released and heat is lost to the environment, making the reaction vessel feel chilly to the touch.

The difference between adding sodium carbonate to the solution and refrigerating ethanoic acid is that no new substance is created in the former. When the substance is taken out of the refrigerator, it is still ethanoic acid. New chemicals are created in the latter scenario. Because of a chemical process, the material is no longer ethanoic acid.

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This is because intermolecular forces have a greater effect in a solution when bonding is present than in a vacuum when bonding is not present.

The attracting and repellent forces that develop between the molecules of a substance are known as intermolecular forces or IMF for short. Individual molecules of a substance interact with one another through the mediation of these forces.

Most of the physical and chemical features of matter are caused by intermolecular forces.

An intermolecular force is an attractive force that develops between the protons or positive parts of one molecule and the electrons or negative parts of another molecule. This force affects a substance's many physical and chemical properties. The strength of a material's intermolecular forces directly relates to the boiling point of that substance; the stronger the intermolecular forces, the higher the boiling point.

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The proper IUPAC name for the compound is (2R,3S)-2,3-difluorohexane.

It is determined by following the IUPAC nomenclature rules for organic compounds. The key points for this are:

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100 cm is meter stick.

Centimeter is denoted by the (cm). It is a metric unit of the measurement which is used for measuring the length of an object.

Meterstick is a foldable ruler which is used to measure the length, and it is common in the construction industry. They are made up of wood or plastic and often they have a plastic or metal joints so that they can be folded together.  

A meter measuring stick, which is one meter (39.37 inches) long, it contains 100 centimeters. Thus, centimeter is equal to one-hundredth of a meter. The word centimeter comes from the late 18th-century. The word centimeter derived from the Latin root "centum"/ means "hundred" and the Greek root "metron", meaning "measure".

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The new volume in litres is 13.29 L.

Given,

Temperature 1 (T₁) = 298 K

Volume 1 (V₁) = 15 L

Temperature 2 (T₂) = 383 K

Pressure 1 (P₁) = 3.36 atm

Pressure 2 (P₂) = 4. atm

By Ideal Gas Equation,

P₁V₁/T₁ = P₂V₂/T₂

⇒ (3.36*15)/298 = (4.90*V₂)/383

⇒50.4/298 = 4.90V₂/383

⇒ (50.4*383) / (298*4.90) = V₂

⇒ 19303.2/1460.2 = V₂

⇒13.29 L = V₂

New Volume will be 13.29 L.

Ideal gas law is a precise approximation of the behavioral of several gases under various situations in thermodynamics. The Ideal Gas Equation is a mathematical formula that combines empirical laws such as Charle's law, Boyle's law, Gay-law, Lussac's and Avogadro's law.

The equation characterizing the states of hypothetical gases stated mathematically by combinations of empirical or physical constants is known as the Ideal Gas Equation. It's also known as the universal gas equation. It is defined as follows:

"The ideal gas law seems to be the equation of state for a fictitious perfect gas. It is a decent approximation of the behavioral of various gases under numerous situations, while it has significant limitations".

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