The entry point and reactions involving loss of carbon in the TCA cycle are allosterically inhibited and used for regulation.
True
False

A legend of the North star goes as follows:

The North star is a star that sits directly above the North pole of the earth. It is also known as Polaris.

The North star is especially significant in that the North star is an ever-present star in the skies. It neither rises nor sets unlike other stars in the skies.

Because of this special feature of the North star, it serves as a guiding beacon in the skies for travelers. Also, several legends have been told about the North star.

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Answer:

4.10x10⁻³g.

4.10 mg.

Explanation:

Hello,

In this case, considering the given number, we can see it has two digits after the first nonzero digit that is four (4) which is also at the third decimal place, it means that the scientific notation has a negative power as it is at the left of the given zeros, therefore it is:

4.10x10⁻³g.

Moreover, since the proper prefix for the factor x10⁻³ is milli, the number with prefix is:

4.10 mg.

Best regards.

Answer:

Volcanoes can produce oxygen in the atmosphere.

Explanation:

Like charges repel each other, while opposite charges attract each other. This principle is one of the fundamental aspects of electrostatics. According to Coulomb's law, the force between two charged particles is directly proportional to the product of their charges and inversely proportional to the square of the distance between them.

As the distance between two charged particles decreases, the force between them increases. This is because the closer the particles are, the stronger the electric field they create, leading to a stronger force of interaction.

On the other hand, as the magnitude of the charges decreases, the force between the particles also decreases. This is because the force is directly proportional to the product of the charges. If one or both of the charges are smaller, the force they exert on each other will be weaker.

In summary, according to Coulomb's law, decreasing the distance between charged particles increases the force between them, while decreasing the magnitude of the charges decreases the force. This understanding of the relationship between charge, distance, and force is crucial in explaining the behavior of charged particles and the interactions between them.

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Answer:

I can tell you some ways in which the reaction of Nitrogen and Hydrogen could be changed to alter the equilibrium.

Changing the pressure: If the pressure is increased, there will be more collisions between the molecules and this will increase the rate of the forward reaction. As a result, the equilibrium will shift to the left, leading to a decrease in the number of molecules of NH3.

Changing the temperature: If the temperature is increased, the kinetic energy of the molecules will increase, leading to more collisions between the molecules. This will increase the rate of the forward reaction and shift the equilibrium to the left.

To model these changes in a simulation, you could use the temperature slider to increase or decrease the temperature of the mixture and observe the changes in the equilibrium. You could also use the pressure slider to increase or decrease the pressure of the mixture and observe the changes in the equilibrium. Additionally, you can use the pause button to observe the number of particles at any point in time.

The sample response is : how do mass and the type of material affect thermal energy transfer?

So one need to have include the below factors in your answer:

The mass of an object influences allure thermal strength transfer traits. Generally, objects accompanying best public have greater warm strength depository volume.

They can absorb more heat strength before experience a meaningful change in hotness. If an equal amount of heat is used to both objects, the object accompanying better mass will demand more heat strength to raise allure temperature distinguished to the object accompanying tinier mass .

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. In this experiment, you need to examine the idea of the thermal energy transfer. Using a controlled experiment, what might a good question about the variables that affect thermal energy transfer be? Thermal energy transfer depends on many properties, be limit your question to only two. What did you include in your question?

Answer:

separating solute particles in the pure solute and separating solvent particles in pure solvent

Explanation:

when we talk about a solution, it means the homogeneous mixture of different substances of two or more.

Enthalpy change of solution is the quantity of heat that is released during the process of dissolving.

If solute molecules have been broken from the intermolecular forces that bind them and also solvent molecules have been broken from the intermolecular forces binding them, then we have an endothermic process.

so the answer is:

separating solute particles in the pure solute and separating solvent particles in pure solvent

Answer:

pH = 7.30

Explanation:

You can find the pH using the following equation:

pH = -log[H⁺]

In this equation, [H⁺] represents the hydrogen ion concentration. You can plug the given value into the equation and solve to find the pH.

pH = -log[H⁺]

pH = -log[5 x 10⁻⁸]

pH = 7.30

Answer: 177.23 g.

Explanation:

the volume of the aluminum bar is

1.7 cm x 3.0 cm x 12.9 cm

= 65.61 cm^3

2.7 g/cm^3 x 65.61 cm^3

177.23g

Answer:

It is used in the investigation of autoimmune neutropenia.

Explanation:

A glam test is used in the investigation of autoimmune neutropenia.

Autoimmune neutropenia is a reduced number of neutrophils resulting from increased peripheral destruction by antineutrophil antibodies from autoimmune disorders. 

—————

Please remember to revise this and make it in your own words if you want! I hope this helps you. -Doodle

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Links I used:

https://pubmed.ncbi.nlm.nih.gov/15387729/

https://sciendo.com/pdf/10.21307/immunohematology-2019-772

The change in the free energy of the reaction  is given by  207.3 kJ.

The change in free energy (ΔG) is a measure of the maximum amount of work that can be extracted from a chemical reaction. It is calculated as the difference between the free energy of the products and the free energy of the reactants, and is expressed in units of energy (such as joules or calories) per mole of reaction.

Using the formula;

ΔG = ΔH - TΔS

ΔG = 163.2 - (298 * (-148))

ΔG = 207.3 kJ

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Orbitals

Explanation:

Electrons are found in different levels  or orbitals  surrounding the nucleus. The electrons can be found at any point in their orbital.

Hope this helped!!!

Answer:

shells or orbitalsthat

Explanation:

Answer:

Explanation:

ok if yes do follow

The binding energy per nucleon for the ¹⁹F nucleon is equal to 7.786 MeV/nucleon.

Binding energy can be defined as the minimum quantity of energy that is required to remove the particle from the system. Nuclear binding energy can be described as the energy required to dismantle a nucleus of an atom into free neutrons and protons.

The binding energy will be determined from the mass defect. Mass defect is calculated from the difference between the mass observed and the expected combined mass.

Given the mass of the ¹⁹F = 18.9984 a.m.u.

The mass defect for the ¹⁹F can be calculated as:

Δm = \((M _n +M_p) - M_F\)

\(\triangle m =( 9\times 1.0078 + 10 \times 1.0087 )- 18.9984\)

\(\triangle m =0.1588 \;a.m.u.\)

The binding energy for the fluorine can be calculated as:

E = Δmc²

E = 0.1588 × 931.5

E = 147.92 MeV

The binding energy per nucleon of ¹⁹F can be calculated as:

B.E.N. = 147.92/18.9984 = 7.786 MeV per nucleon

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the sun cooks the clouds the clouds pee on the earth and all the water falls to earth, pushing all the wind down that's why we have earthquakes

Answer: Carbon is used by plants to build leaves and stems, which are then digested by animals and used for cellular growth.

Explanation:

At pOH value  of 6.0 the pH value of the following solution is 8.0 and the concentration of [\(H^{+}\) ] ion is \(10^{-8}\)

In this question we will apply the formula

      pH +pOH = 14 . . . . . . . . . . . . .(1)

where pH = concentration of [\(H^{+}\) ] ion

pOH = concentration of [\(OH^{-}\) ] ion

As per the question

pOH =6.0

Putting the value of pOH in equation (1) we get the value of pH

              pH + 6.0 =14

             pH = 14 -6.0

             pH  = 8.0

 The value of pH if the pOH value is 6.0 is 8.0

To find the concentration of \(H^{+}\) ion we will use the following formula

This is calculated by the formula

                                 [\(H^{+}\)} = \(10^{-pH}\)

where we will write the values of pH

Hence the concentration of [\(H^{+}\)} ion is \(10^{-8}\)

Therefore at  pOH of 6.0 the pH value of the following solution is 8.0 and the concentration of [\(H^{+}\) ] ion is \(10^{-8}\)

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The complete question is -

What is the pH value and concentration of [\(H^{+}\) ] ion of the following if the pOH value of the solution is 6.0 ?

Answer: conduction

Explanation:

the heat passes out of the stove and into your hand. So is holding an ice cube – the heat is conducted out of your hand, and into the ice cube (that’s why your hand feels cold).

Answer:

Conduction

Explanation:

Conduction occurs when objects touch. The heat from the warmer object is transferred to the cooler object, eventually evening out the temperatures.

Answer:

48g

Explanation:

2Hg(l) + O₂(g) => 2HgO

44g      excess        ?

44g/200.59g·mol⁻¹ = 0.219 mole Hg(l) = 0.219 mole HgO(s) produced.*

*Since coefficients are equal for Hg and HgO then the moles of HgO produced is the same as moles Hg used.

Convert 0.219 mole HgO to grams => 0.219mol x 216.95g/mol = 47.512g HgO ≅ 48g (2 sig figs)

To calculate the atoms of an element in a given molecule, we need to multiply stoichiometry by the number that is written on the foot of that element. The correct option is option C.

Balanced equation is the one in which the total number of atoms of a species on reactant side is equal to the total number of atoms on product side. The mass of the overall reaction should be conserved. There are so many types of chemical reaction reaction like combination reaction, displacement reaction.

The other characteristic of balanced reaction is that physical state should be written with each compound or molecule on reactant and product side. Physical state should be written in brackets. s means solid, l means liquid, g means gas.

2Hg(l) + O₂(g) \(\rightarrow\) 2HgO

44g      excess        ?

The mole ratio between Hg and HgO is 1:1.

44g÷200.59g/mol= 0.219 mole of Hg= 0.219 mole of HgO

mass of HgO=0.219mol x 216.95g/mol

                     = 47.512g

Therefore, the correct option is option C.

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v=Frequency=1.2×10^15Hz

Now

\(\\ \sf{:}\!\!\implies E=hv\)

h is Planck's constant

\(\\ \sf{:}\!\!\implies E=6.626\times 10^{-34}Js\times 1.2\times 10^{15}s^{-1}\)

\(\\ \sf{:}\!\!\implies E=7.95\times 10^{-19}J\)

\(\\ \sf{:}\!\!\implies E=79.5\times 10^{-18}J\)

\(\\ \sf{:}\!\!\implies E=79.5am\)

Explanation:

this equation is balanced

if you look at it carefully

k=1

f=1

o=2

we do not have any opposing element

Answer:

this equation is balanced

if you look at it carefully

k=1

f=1

o=2

we do not have any opposing element

Answer:

Explanation: C

Step 1

The reaction:

3 Fe + 2 O2 => Fe3O4 ΔH = -1,300 kJ (completed and balanced)

-----------------

Step 2

Information provided:

ΔH = -1,300 kJ is the reaction heat. According to the negative sign, the reaction is exothermic (the heat is released).

12 g of iron (Fe), the limiting reactant.

O2 is the excess reactant.

---

Information needed:

The molar mass per mole of iron = 56 g/mol approx.

--------------------

Step 3

By stoichiometry,

1 mole Fe = 56 g

Procedure:

3 Fe + 2 O2 => Fe3O4 ΔH = -1,300 kJ

3 x 56 g Fe ------------ 1,300 kJ of heat released

12 g Fe ------------ X

X = 12 g Fe x 1,300 kJ of heat/3 x 56 g Fe = 92.9 kJ of heat released (remember that the sign of this amount of heat is negative)

Answer: 92.9 kJ will be released

Answer:

liquid junction potentials

when a cell contains a boundary between two electrolytic solutions of different composition or concentration, a liquid junction potential is developed due to the "diffusion of the various components at characteristic rates in the boundary zone."

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Answer:

B

Explanation:

AH is positive so the forward reaction is endothermic. Thus, increasing temperature would cause equilibrium to shift to the right as endothermic reaction favors higher temperature. This increases the yield of NO.

A cubic centimetre is an impossibly large volume, and is equivalent to 100. A litre or a millilitre are the units most practising chemists would use.

Cubic centimetre is a commonly used unit of volume that corresponds to the volume of a cube that measures 1 cm × 1 cm × 1 cm.

One cubic centimetre corresponds to a volume of one millilitre.

The mass of one cubic centimetre of water at 3.98 °C is almost equal to one gram.

Hence, A cubic centimetre is an impossibly large volume, and is equivalent to 100. A litre or a millilitre are the units most practising chemists would use.

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There are 15.6 moles of Li2SO4 in 9.40 x 10^24 formula units after dividing by Avogadro's number.

The given problem involves converting the number of formula units of Li2SO4 to the corresponding number of moles. This conversion requires the knowledge of Avogadro's number, which is the number of particles (atoms, molecules, or ions) in one mole of a substance.

To calculate the number of moles of Li2SO4, we first divide the given number of formula units (9.40 x 10^24) by Avogadro's number (6.022 x 10^23 formula units/mol) to get the number of moles (15.6 mol).

The mole is a unit of measurement used in chemistry to express amounts of a substance. One mole of any substance contains the same number of particles as there are atoms in 12 grams of carbon-12. So, the mass of one mole of a substance is equal to its molecular weight in grams.

In this problem, the mass of Li2SO4 is not given, so we cannot calculate the mass of 15.6 moles of Li2SO4. However, we can say that 15.6 moles of Li2SO4 contain 9.40 x 10^24 formula units.

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The society with the least negative effects on the environment is probably the one with a small population, traditional farming methods, no access to contemporary technology, and self-sufficient food production.

This is due to the fact that their way of living is less dependent on modern infrastructure and technology, both of which have a negative impact on the environment. Additionally, their agricultural methods are probably more environmentally friendly and sustainable.

The environmental effects of the other societies on the list would all be greater. Because of the use of fossil fuels and the production of products that require a lot of resources, a big, industrialized society with high levels of consumption would have a significant carbon footprint.

It would still take a lot of resources to maintain its infrastructure and create products in a less populous, highly industrialized society with moderate consumption levels, which would have a negative effect on the environment.

Given that the size of the population alone would necessitate significant resource consumption and infrastructure development, a big population with moderate industrialization and consumption levels would also have a big effect on the environment.

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