What type of chemical reaction is C O2 → CO2?

No CO2(Carbon dioxide)  doesn't react with O2 in ordinary circumstances due to CO2's Thermodynamic stability.

When one carbon atom is covalently linked with the two oxygen atoms in each of the molecules which makes up carbon dioxide (CO2). Generally At room temperature, it exists as a gaseous state. In the atmosphere, carbon dioxide serves as a greenhouse gas as it results in  absorbing infrared radiation despite being transparent to visible light.

Carbon dioxide has the following few specifications:

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The number of carbon atoms in the main chain of a certain compound is five because the aldehyde group (here acting as a substitute) and the double bond must be given the smallest number.

Therefore, the numbering starts with the group COOH  and ends with the number CH3 which also includes the group CHO.

In the dehydration of secondary and tertiary alcohol, when there is a possibility of formation of two isomers, the hydrogen atom is preferentially eliminated from the number of hydrogen atom, This is Saytzeff’s rule.

Dehydrohalogenation of alkyl halides: It involves removal of halogen atom along with β-hydrogen atom on heating with alcoholic solution of potassium hydroxide

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A reduction reaction is a type of chemical reaction where a molecule or ion gains electrons.

This is the opposite of an oxidation reaction, which is when a molecule or ion loses electrons. During a reduction reaction, the electrons that are gained are typically taken from another molecule or ion, which is then oxidized.

In a reduction reaction, electrons are transferred from one chemical species to another. This can occur in a single stage or through several stages. For example, in a one-step reaction, a hydrogen ion bonds to another compound to form a more complex compound.

This is known as an addition reaction. In a multistage reaction, electrons are transferred from one chemical species to another through several steps. For example, an iron atom can be oxidized to form an iron ion, which in turn is reduced to form an iron atom.

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A chemical property is similar to an intensive physical property in that both are properties of a substance that do not depend on the amount of the substance present.

An intensive physical property is a property that is independent of the amount of material, such as its melting point or boiling point.

A chemical property, on the other hand, is a property that describes how a substance reacts with other substances, such as its flammability or reactivity. In addition, chemical properties are often related to the structure of a substance, whereas intensive physical properties are not.

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When the two beakers were mixed, then: The color of the mixture changed.

When the contents of the two beakers were mixed, a double-displacement reaction occurred. Double-displacement reactions often result in the formation of two new compounds, each with different colors than the original reactants. As a result, the color of the mixture would change to reflect the formation of the two new compounds.

Double-displacement reactions involve two reactants exchanging ions with each other. When two reactants are mixed, they form two new compounds, each with different properties than the original reactants. In a double-displacement reaction, the reactants exchange ions, leading to the formation of two new compounds. This exchange of ions can cause a change in the color of the mixture.

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Answer:

1.0m

Explanation:

A: The work (w) done by the system is equal to 0 J, as this process occurs at constant volume.

B: The heat (q) absorbed by the system is equal to 6660 J.

C: The change in internal energy (ΔU) is equal to 6660 J.

D: The change in enthalpy (ΔH) is equal to 6660 J, as the change in pressure-volume work is equal to 0 J in a constant volume process.

Part A: The work (w) done by the system can be calculated using the equation w = -pΔV. As the process occurs at constant volume, the change in volume (ΔV) is equal to 0. Therefore, w = 0 J.

Part B: The heat (q) absorbed by the system can be calculated using the equation q = ΔU + w. As the work done by the system is equal to 0 J (calculated in Part A), the heat absorbed by the system can be calculated as q = ΔU.

The change in internal energy (ΔU) can be calculated using the equation ΔU = nCvΔT, where n is the number of moles of gas and Cv is the molar heat capacity at constant volume.

Using the given values, we can calculate the number of moles of gas as n = PV/RT, where P is the pressure, V is the volume, R is the gas constant, and T is the temperature.

Therefore, n = (1.2 bar x 2.30 L) / (8.314 J/K.mol x 298.2 K) = 0.0316 mol.

Plugging this value into the equation for ΔU, we get ΔU = 0.0316 mol x 14.2 J/K.mol x (51.2°C - 26°C) = 6660 J.

Part D: The change in enthalpy (ΔH) can be calculated using the equation ΔH = ΔU + Δ(pV). As the process occurs at constant volume, the change in pressure-volume work is equal to 0 J. Therefore, ΔH = ΔU = 6660 J.

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Answer:

Explanation:

An iconic bond is a bond that is considered to be a benchmark for its class or sector, and is widely recognized and widely followed by market participants. It is known for its high credit rating and considered as a safe investment. It is often considered as a "bellwether" in the bond market, meaning that it is seen as an indicator of the performance of a particular sector or market as a whole. The term "iconic" refers to the bond's status as a widely recognized and respected benchmark in the market.

Lead and oxygen are ionic and form ionic bond. Ionic bonds is also called electrovalent bonds because the bond is made between the atoms with opposite charges and the forces acting between them s electrovalent force. Ionic bonds of oxygen and lead is that they transfer two electrons per atom between them to make an ionic bond.

Ionic bond is the force that is generated between the two charged species and it is particular that one has excess of electrons and the other one has loss of electrons so that they can generate opposite charges between them in order to attract them to each other. this is the strongest force between the atoms. ionic bonds have the most attractive force in the atom and the most strong it. by this primary information, we can firmly consider that ionic  bonds are called electrovalent bonds because the bond is made between the atoms with opposite charges and ionic bonds of oxygen and lead is that they transfer two electrons per atom between them to make an ionic bond.

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6.93 hours are required to travel 837 km.

As given in the question, the speed of the car is 75 mi/hr.

The rate of change in an object's location over time, or the rate of change in position per unit of time, is known as its speed. Hence, car covers:

75 miles -> 1 hour.

As the conversion from 'miles' to 'km' is given as :

1.61 km = 1 mile

Using the unitary method:

75* 1.61 km -> 1 hour

1 km -> 1/ (75* 1.61) hours

837 km ->837/ (75* 1.61) hours = 6.93 hours.

Hence, 6.93 hours are required to travel 837 km.

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15.6 moles of NaClO4 will produce 62.4 moles of O2.

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Explanation:

c2h4+3o2.........2co2+2h2o

Yes, high atmospheric stability may also play a part in typhoon genesis. The stability of the atmosphere depends on its ability to resist vertical motion.

Vertical mobility is difficult in a steady environment because little vertical disturbances dampen down and disappear. An atmospheric stability environment tends to cause small vertical air motions to increase, resulting in turbulent airflow and convective activity. creating a typhoon Typhoons develop in a manner akin to how conventional ring bells do. They start by evaporating molecules of oceanic water since this moist air is heated. They continue to rise until they hit frigid air. Rain showers result from them starting to condense and grow into clouds. The clouds begin to dissipate once the rain stops.

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The volume of 50.00 grams of gold is 2.588 cm³.

Volume is the amount of space that an object or substance occupies. It is measured in units such as liters, cubic meters, gallons, and milliliters. Volume is an important concept in mathematics and is used in many areas of science, engineering, and technology. It is also used to measure the capacity of containers and other objects. Volume is a scalar quantity, meaning it is a single number with no direction associated with it. Volume is related to density, which is the mass of an object divided by its volume.

To find the volume of 50.00 grams of gold, we need to use the density formula: volume = mass/density. So, the volume is calculated as follows: volume = 50.00 g/19.32 g/cm³ = 2.588 cm³. Therefore, the volume of 50.00 grams of gold is 2.588 cm³.

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Answer:C097

Explanation:

Answer:

Explanation: Kinetic energy is the energy of motion, so this makes sense – as things heat up, they move faster. All gases at the same temperature have the same average kinetic energy. A gas’s temperature is a measure of the average kinetic energy of its particles. So if two gases are at the same temperature, they must have the same average kinetic energy.

When stating the scientific name of an organism Generic name, Specific epithet are 2 levels of classifcatipn are included.

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According to the data in the table, one effect of injecting vitamin B into the chicken eggs is that it increases the number of eggs hatching on the 21st day. The correct option is 3.

Vitamin B supports the functions of several enzymes, including those that release energy from fat and carbohydrates, break down amino acids, and transport oxygen and nutrients that contain energy throughout the body.

At hatching, the 21st day's hatchlings were all weighed and measured. So, by vitamin B, the number of eggs hatching will increase.

Therefore, the correct option is 3) increase the number of eggs hatching on the 21st day.

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The question is incomplete. Your most probably complete question is given below:

In an experiment using chicken eggs, 100 fertilized eggs

were injected with a saline (salt) solution containing vitamin B

during day 1 of their incubation period. At the same time, a

second group of 100 fertilized eggs was injected with a plain

saline solution. All the chicks that hatched on the 21st day

were weighed and measured at hatching. The results are

recorded in the data table below.

According to the data in the table, one effect of injecting

vitamin B into chicken eggs is that it:

1) changes the amount of yolk stored in the egg

2) produces larger eggs

3) increases the number of eggs hatching on the 21st

day

4) increases the incubation period

“The pH dependence is due to ionization of important amino acid residues in fumarase or the substrate of the reaction, fumarate.” This statement is: true.

Enzyme is a biocatalyst that helps fasten some specific reactions. To work, enzymes have a pH optimum. This is because the important amino acid residues in the enzyme need to be in a particular ionization state, as well as the substrate. By changing the pH, their location can be affected. There is certain pH where an enzyme works better, which is called pH optimum. Hence, the statement is true.

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The change in entropy of the system when a flask of hexanes is boiled will be positive.

When a substance is heated, the molecules gain energy and move faster. This increases the disorder or randomness of the system, which leads to an increase in entropy. Boiling is a phase transition from liquid to gas, and during this process, the molecules of hexanes go from a relatively ordered state in the liquid phase to a more disordered state in the gas phase. Since entropy is a measure of disorder or randomness, the entropy of the system increases as the hexanes boil. Therefore, the change in entropy of the system when a flask of hexanes is boiled is positive.

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There are 4 hydrogen atoms in each methane having chemical formula CH4.

The 4 hydrogen atoms in Methane is clicked with a single carbon snippet by single bond. In the structure of Methane 4 sigma bond is present so the sp3 hybridisation can be seen in CH4 .The bond length between 4 hydrogen- carbon snippet is 109 pm. It's the simplest of saturated hydrocarbons with a chemical formula CH4. It consists of four hydrogen tittles and one carbon snippet and is the simplest alkane. When natural methane reaches the face of the atmosphere is called atmospheric methane and can be set up under the seafloor as well as below the ground.

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Answer:

The Five-Column Chart is a useful tool for summarizing your investigation. In the case of your investigation involving solids, the chart would include columns for Properties, Examples, Uses, Interactions and Special Characteristics. In the Properties column, you would list the physical and chemical properties of solids, such as shape, texture, melting point, boiling point and solubility. The Examples column would list examples of solids, such as metals, plastics and rocks. The Uses column would list the various uses of solids, such as in construction, engineering and medicine. The Interactions column would list how solids interact with each other, such as through adhesion, cohesion and friction. Finally, the Special Characteristics column would list any special characteristics of solids, such as their electrical conductivity or magnetic properties.

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The volume of the piece of metal would be 2.4 cm³.

To find the volume (in cm³) of a 31.1 g piece of metal with a density of 12.9 g/cm³, we can use the formula V = m/d, where V is the volume, m is the mass, and d is the density.

In this case, m = 31.1 g, and

d = 12.9 g/cm³.

Plugging this into the formula,

V= m/d

V= 31.1/ 12.9

we get, 2.4 cm³.

When using significant figures, the answer should be rounded to 2.4 cm³.

Volume is the measure of the amount of space an object or substance occupies. It is typically measured in liters, cubic meters, gallons, or cubic feet.

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You have 5 mol of liquid water (H₂O). The volume that occupied by this amount of water is 90 m³. 3.011 x10²³ There are  molecules are in this amount of water. volume per molecule is  3 x 10⁻²³ m³.  The length of the edge of each small cube is "equal" to the diameter of a molecule.

The volume can be found using the following formula:

V = nM/P

where,

V = volume occoupied

n = no. of moles = 5 mol

M = molar mass = 18 g/mol

ρ = density of water = 1 g/m³

Therefore,

V = nM/P

V= (5moles x1 8g/ moles)/1 g/m³

V = 90 m³

Then we can find  the amount of mole cule in this amount of water

number of molecule = moles x avogadro's number

number of molecule = 5 moles x 6.022 x 10²³ = 3.011 x 10 ⁻²⁴

then, we can find the volume of an individual molecule:

volume of individual molecule = volume of water/ number of molecule

volume of individual molecule = 90 m³/ 3.011 x 10 ⁻²⁴ =3 x 10⁻²³

This volume can be given as a volume of the sphere:

Vi =4/3πr²

3 x 10⁻²³ =4/3πr²

r = 4.15 x 10⁻⁷ m

Diameter = d = 2r = 2(4.15 x 10⁻⁷ m)

d = 8.3 x 10⁻⁷ m = 83 μm

since the cubes are adjacent to each other. Therefore, the diameter will be equal to the edge length.

Edge Length = L = d

L = 8.3 x 10⁻⁷ m = 83 μm

The molecule's diameter is the same as the edge length.

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The length of the wire should be  164 m.

Electricity resistance is the characteristic of an electric circuit or a component of a circuit that converts electrical energy into thermal energy in the presence of an opposing electric current.

And resistivity is the characteristic property of an element, stated as

ρ = RA/l

where: ρ is resistivity,  R is resistance, A is the cross-sectional area, and l is the length of the component.

as stated in the question:

ρ=2. 44 × 10–8 , R= 2, A= 2 × 10–6 m2

l= RA/ρ

=> l= (2*2 × 10–6)/2. 44 × 10–8 = 164 m

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The number of the atom in the 1 mole of the methane that is CH₄ is the 6.022 × 10²³ atoms.

Given that :

The number of the moles of the CH₄ = 1 mole.

The value of the 1 mole = the number of the atom presents exactly in the 12 g of the pure carbon atoms.

The number of the atoms in the 1 mole of the substances = 6.022 × 10²³ atoms.

Therefore, the number of the atoms present in the 1 mole of the the CH₄  is 6.022 × 10²³ atoms. The number is called as the Avogadro's no. The Avogadro's number = 6.022 × 10²³ .

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There are total seven number of atoms in ammonium hydroxide, [tex]NH_{4} OH[/tex].

The solution represented by the formula [tex]NH_{4} OH[/tex] consists of large quantities of water and ammonia and smaller quantities of ammonium ion and hydroxide ion, OH−. The substances consist of atoms or molecules. it is important to measure their amounts accurately. mole is used to express the amounts of reactants and products of chemical reactions. One mole contains 6.02214076×10²³. This number is called Avogadro constant. It is also called as Avogadro's number. The molecular mass is said to be the mass of a molecule calculated as the sum of the mass of each atom in the molecule multiplied by the number of atoms of that element in the molecule.

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Answer: Not possible

Explanation: A mole is a unit of measurement in chemistry used to express the amount of a substance. One mole of a substance is equal to Avogadro's number of particles, which is 6.0022X10^23.

A soft drink is a liquid beverage that contains sugar, caffeine or other stimulants, and other ingredients such as carbonated water and artificial flavors. The volume of a soft drink is usually measured in liters.

The surface area of the earth is about 510.1 million square kilometers. TO find out how many times a mole of soft drink can cover the surface of the earth, We need to know the volume of a mole of soft drink and convert it to square kilometers. However, it's impossible to know the volume of a mole of soft drink without knowing the density of the specific beverage.

Amole is a unit of measurement that is used to express the amount of a substance, it;s not related to the volume or surface area of a physical object like the earth. so it's not possible to know how many times a mole of soft drink could cover the surface of the earth.

The ionic bond is the chemical bond formed by the attraction between ions and ions.

Ionic bonds, also known as electrovalent bonds, are a type of linkage created in a chemical molecule by the electrostatic attraction of ions with opposing charges. When the valence (outermost) electrons of one atom are permanently transferred to another atom, a bond of this kind is created.

Ions (cations) are negatively charged when an atom gets electrons and positively charged when an atom loses electrons (anion).

An ionic bond is essentially the most extreme form of a polar covalent bond, with the latter occurring when electrons are shared unevenly as opposed to fully. Covalent bonds arise when the electronegativities of the two atoms are similar, but ionic bonds often form when there is a large difference.

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