How many molecules of co2 are fixed to form one molecule of glucose?.

The atomic number (Z) of Iminium (Im) is 125, and since alpha decay results in the loss of 2 protons, Z will decrease by 2, giving a value of 123 for the newly formed element.

After a decay event by alpha decay, the Iminium (Im) atom with atomic number 125 (Z) and atomic mass number 282 (A) will change. Alpha decay involves the loss of 2 protons and 2 neutrons from the nucleus. Therefore, the new values for A and Z will be:

- New atomic number (Z) = 125 - 2 = 123
- New atomic mass number (A) = 282 - 4 = 278

So, the atom that was formerly 282Im will now have an atomic number (Z) of 123 and an atomic mass number (A) of 278.

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When diluting denatured ethanol to 20% by volume using deionized water, the conductivity of the solution is expected to decrease. This is because deionized water has a lower concentration of ions compared to the denatured ethanol.

The lower ion concentration in deionized water leads to a decrease in conductivity. Therefore, the data suggests that deionized water is a good choice for dilution in this experiment as it minimizes the presence of ions in the solution.

Denatured ethanol is also known as denatured alcohol. It is ethanol (ethyl alcohol) that has been intentionally rendered unfit for human consumption by adding substances that are called denaturants and these denaturants are toxic or unpleasant-tasting compounds.

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Answer:

C

Explanation:

No change.

The total number moles of products = The Total number of reactants

Answer:

The amount of work a system can do is limited by the changes in entropy that occur and cause energy to be dissipated as heat. Systems that dissipate less energy as heat will be able to do more work than systems that dissipate more energy as heat.

Explanation:

The amount of work a system can do is limited by the changes in entropy that occur and cause energy to be dissipated as heat.

Entropy is also a measure of the number of possible arrangements the atoms in a system can have. In this sense, entropy is a measure of uncertainty or randomness.

The amount of work a system can do is limited by the changes in entropy that occur and cause energy to be dissipated as heat.

Systems that dissipate less energy as heat will be able to do more work than systems that dissipate more energy as heat.

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Explanation:

here u go kid , welcome kid :)

Answer:

Fluorine

Explanation:

Valence means the outer most energy level

Answer:

120G

Explanation:

From the combustion process, about 120G of carbon dioxide would be released into the atmosphere.

For the chemical reaction to obey the law of conservation of matter, if only ash and carbon dioxide are the product, then the sum of the mass of the product and that of the reactants must be the same.

   In a chemical reaction, matter is not created nor destroyed, but they are simply changed from one form to another.

   Mass of wood burning  = mass of ash + mass of CO₂

              150G  = 30G + mass of CO₂

         mass of CO₂ = 150G  - 30G  = 120G

All of the following are involved in eukaryotic transcription EXCEPT a rho factor. The correct answer is 2.

Eukaryotic transcription is the process by which genetic information in DNA is transcribed into RNA. This process is carried out by a large complex of proteins and enzymes, including general transcription factors, transcription activators, and a transcription initiation complex.

These proteins and enzymes work together to unwind the DNA double helix, recruit the RNA polymerase enzyme to the promoter region of the gene, and begin the process of synthesizing RNA. The rho factor is not typically involved in this process, as it is specific to prokaryotic cells and is involved in the termination of transcription.

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Because there is so much empty space between the gas particles, most of a gas' volume is made up of compressible gas molecules, Hence option c is correct. i.e, Its particles are spread far apart.

The greater compressible nature of gases compared to liquids or solids is explained by the kinetic-molecular hypothesis. The average distance between the gas molecules at standard pressure and room temperature is roughly 10 times the diameter of the molecules.  Gas particles are pushed closer together when a gas is compressed, such as when the diving tank is then being filled.

There are various uses for compressed gases. Patients with damaged lungs are frequently given oxygen in hospitals to help them breathe better. When a patient is having a major procedure, a compressed gas is usually used to give anesthetic. 

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A negatively charged core nucleus and one or more orbiting electrons make up an atom. There may be the positively charged, somewhat massive protons and neutrons that make up the nucleus. Atoms are the basic building blocks of stuff.

In a neutral atom, there are exactly as many electrons as protons. The total number of protons and neutrons in the atom's nucleus is equal to the mass number (M) of the atom. The difference between the atomic number and the mass number of the atom (M) is equal to the amount of neutrons (Z).

Absorption is the process by which an atom transitions from its ground state to an excited state by absorbing energy from its environment. After absorbing the energy, the electron advances to a higher energy state. Up the opposite process, called emission, the electron releases the excess energy it had taken in and goes back to its ground state.

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The approximate partial pressure of chlorine atoms ([Cl]) is 0.908 atm.

To determine the partial pressure of chlorine atoms (Cl) at equilibrium, we can use the equilibrium constant (Kc) and the known partial pressure of chlorine molecules (Cl₂).

The balanced equation for the dissociation of chlorine molecules isat high temperature is given by

Cl₂(g) ⇌ 2 Cl(g)

The equilibrium constant expression for this reaction is:

Kc = [Cl]² / [Cl₂]

Given that Kc = 0.55 and the partial pressure of chlorine molecules ([Cl₂]) is 1.5 atm, we can set up the following equation:

0.55 = ([Cl]^2) / (1.5)

To solve for [Cl], we can rearrange the equation:

[Cl]₂ = 0.55 × 1.5

[Cl]₂ = 0.825

[Cl] ≈ √0.825

[Cl] ≈ 0.908

Therefore, the approximate partial pressure of chlorine atoms ([Cl]) is 0.908 atm

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The direction of heat flow by conduction between two samples of the same material is from the sample with higher temperature to the sample with lower temperature.

Heat flow by conduction between two samples of the same material occurs from the hotter sample to the cooler sample. This is because heat energy is transferred from areas of higher temperature to areas of lower temperature. if two samples of the same material are at different temperatures, heat will flow from the hotter sample to the cooler sample until both samples reach the same temperature and thermal equilibrium is established.

what is temperature?

Temperature is a measure of the average kinetic energy of the particles (atoms or molecules) in a substance. It is a physical quantity that is commonly used to describe the hotness or coldness of an object, and is measured using various temperature scales such as Celsius, Fahrenheit, and Kelvin. When two objects are in contact and at different temperatures, heat flows from the hotter object to the colder object until they reach thermal equilibrium, i.e. they have the same temperature.

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According to the question , \(10^{80}\) protons create a galaxy.

1.67262 1027 kg, or 1,836 times the mass of an electron, is the rest mass of the proton, a stable subatomic particle with a positive charge that is equivalent to one electron's charge.

One down quark and two up quarks make up protons. Two down quarks and one up quark make up neutrons. One of the four fundamental forces, the "strong nuclear force," keeps the nucleus together (gravity and electromagnetism are two others).

The amount of protons in the cosmos is measured by the Eddington number , in astrophysics. Eddington estimated it to be approximately 1.571079; according to recent estimations \(10^{80}\)  .

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Answer:

D. Describe the limitations in detail in their final report.

Explanation:

Answer:

D. Describe the limitations in detail in their final report.

I feel confident about modeling how the energy in a reaction will change, because this unit provided me with the information necessary to determine the type. With this knowledge, I can now interrelate with other properties and believe that this new ability will assist in future units as well. This unit has encouraged a deeper understanding of the world and its guiding principles.

(HOPE THIS HELPS <3)

Answer: Pb 2+ (aq)+ 2CL- (aq) -----> PbCl2 (s)

Explanation: According to the precipitation rules,  Cl- is soluble exept if one of the cations are Pb 2+.

To make 1 liter of a 10% NaCl solution from a solid stock, you will require the following materials and containers.MaterialsSolid NaClDistilled water1-Liter volumetric flask250-mL volumetric flask 2-beakersProcedureTo prepare 1 liter of a 10% NaCl solution, the following procedure should be followed:Measure out 100g of NaCl using a balance.

Measure the weight of an empty 250-mL volumetric flask.Add the NaCl to a 250-mL beaker and add a small amount of distilled water to it to dissolve the NaCl.Carefully pour the dissolved NaCl solution into the 250-mL volumetric flask. Add distilled water to the mark on the flask to make up the volume. Stopper the flask and invert it several times to mix the solution.Measure the weight of the 1-Liter volumetric flask.Add the 250-mL volumetric flask solution to a 1-Liter volumetric flask.Add distilled water to the mark on the flask to make up the volume.

Stopper the flask and invert it several times to mix the solution.The final volume of the solution will be 1 liter of a 10% NaCl solution.PrecautionsEnsure the NaCl has completely dissolved before adding more water to avoid making a less concentrated solution.Measure the weight of the volumetric flask before and after adding the solution to calculate the volume of solution that was added.Use distilled water to prepare the solution.

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Answer:

H20+O2>2FeOH this is the right answer

The number of mole of nitrogen gas in the 16.8 L container is 0.75 mole

Data obtained from the question

Volume (V) = 16.8 L

Pressure (P) = STP = 1 atm

Temperature (T) = STP = 273 K

Gas constant (R) = 0.0821 atm.L/Kmol

Number of mole (n) =?

How to determine the number of mole

The number of mole of the nitrogen gas can be obtained by using the ideal gas equation as illustrated below:

PV = nRT

Divide both side by RT

n = PV / RT

n = (1 × 16.8) / (0.0821 × 273)

n = 0.75 mole

Thus, the number of mole of the gas present is 0.75 mole

Answer:

number of neutrons= nucleon number - proton number

11-6=5

Substances that heat up quickly normally have low specific heat capacities.

The specific heat capacity of a substance is the amount of energy required to raise the temperature of a given mass of the substance by one degree Celsius.

It is usually measured in joules per kilogram per degree Celsius (J/kgK).it is an important physical property of a material, as it determines the amount of energy required to change its temperature.

It is also useful for calculating the amount of energy required to heat or cool a given mass of the material. The specific heat capacity of a substance is related to its molecular structure and composition, as well as its phase.

For example, the specific heat capacity of liquids is generally higher than that of solids, and the specific heat capacity of gases is higher than that of liquids.

Additionally, the specific heat capacity of a substance can vary with temperature, pressure, and other environmental factors.

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Answer:

I think the option that you chose is the right answer because the outside of the cell is 95%.

Explanation:

Neon

_______________________

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Neon is the element who is having complete electrons in its both the shells

it's atomic mass is 10

in its first shell it has 2 electrons and in 2nd shell it has 8 electrons

it's valency is 0

Hope it helps

Answer:

A. The largest value is 7 and the smallest value is 1. Find the difference. 7 - 1 = 6.

Explanation:

The molecule among the given options that has no polar bonds and a net dipole is CH4. Polar bonds are covalent bonds between two atoms with a difference in electronegativity.

An electronegative atom, such as nitrogen, oxygen, or fluorine, has a greater affinity for electrons than a less electronegative atom, such as hydrogen or carbon. The sharing of electrons in such covalent bonds is unequal, resulting in polar bonds. CH4 or methane is a tetrahedral molecule with four carbon-hydrogen single covalent bonds. The molecule's four carbon-hydrogen bonds are evenly dispersed in space, resulting in a tetrahedral shape without any lone pair of electrons.

CH4 is a non-polar molecule because of its symmetrical tetrahedral shape. The bond dipoles cancel out, resulting in a net dipole moment of zero. As a result, CH4 has no polar bonds but still has a net dipole moment. Finally, it is proved that among the given options, CH4 is the only molecule that has no polar bonds and a net dipole.

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Answer:

v-rel = 16.8

Make sure to read the explaination so you can solve it yourself!

Explanation:

I had this same question on Acellus, here is how I answered it:

Equation being used:   Δf = 2*fο*vrel/c

( this equation can be found in the  bottom of the lesson manual in the help tab)

Where,

Δf = change in frequency; 672

fο = frequency before being doppler shifted; 6.00 * 10^9

vrel = relative velocity; unknown

c = speed of light; 3.00 * 10^8

Now that we have written the numbers we know down, we must rearrange the equation for the velocity (vrel)

Starting Equation:

Δf = 2*fο*vrel/c

Multiply by c, then divide by 2fo to isolate vrel.

This will leave us with the equation:

Δfc/2fo, now we plug in the numbers

(672 * (3*10^8)) / (2* (6.00*10^9))

Once we plug this into the calculator, you should get

16.8

I hope this helped you, Wawawewa!

The binding of the amino acid in aminoacyl-tRNA involves the formation of an ester bond.  Option b

Aminoacyl-tRNA is a complex molecule that plays a crucial role in protein synthesis. It consists of a tRNA molecule covalently linked to an amino acid. The amino acid is attached to the 3' end of the tRNA molecule through an ester bond.

An ester bond is formed between the carboxyl group (-COOH) of the amino acid and the hydroxyl group (-OH) of the ribose sugar at the 3' end of the tRNA molecule. This ester bond is also referred to as an ester linkage. The formation of the ester bond is catalyzed by the enzyme aminoacyl-tRNA synthetase.

The ester bond in aminoacyl-tRNA is essential for protein synthesis. During translation, the aminoacyl-tRNA molecule carries the specific amino acid to the ribosome, where it is incorporated into the growing polypeptide chain. The ester bond is later hydrolyzed, releasing the amino acid for further use in protein synthesis.

In summary, the binding of the amino acid in aminoacyl-tRNA involves the formation of an ester bond between the carboxyl group of the amino acid and the hydroxyl group of the ribose sugar in the tRNA molecule.

Option b

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The chemical reaction occurs due to which heat energy is released. This type of reaction is also called exothermic reaction.

Exothermic reactions are those chemical reactions that produce heat or thermal energy to the surrounding environment so we can conclude that chemical reaction occurs when the temperature of the beaker is suddenly increased.

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