Some diazotrophs produce a vanadium-containing VFe protein in addition to the MoFe protein. The vanadium-containing nitrogenase converts N2 to NH3 and also converts CO to compounds such as ethane and propane what aspect of the standard nitrogenase reaction is responsible for production of alkanes?

Answers

Answer 1

When molybdenum is not accessible, vanadium nitrogenase, a crucial enzyme for nitrogen fixation found in nitrogen-fixing bacteria, is employed instead.

Vanadium is a rare element that life uses mostly through vanadium nitrogenases. Vanadium nitrogenase, a crucial enzyme in the nitrogen cycle, turns nitrogen gas into ammonia, making previously inaccessible nitrogen available to plants. Vanadium nitrogenase, in contrast to molybdenum nitrogenase, can also convert carbon monoxide into ethylene, ethane, and propane. However, both enzymes can convert acetylene to ethylene and protons to hydrogen gas . Members of the bacterial genus Azotobacter, as well as the species Rhodopseudomonas palustris and Anabaena variabilis, all include vanadium nitrogenases.Vanadium nitrogenase performs most of the same tasks as the more popular molybdenum.

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Answer 2

Alkanes like ethane and propane are produced as a result of the nitrogenase process. This reaction can result in H2 as it transforms N2 NH3 (dihydrogen).

Diazotrophs are a class of enzymes that can convert atmospheric nitrogen into ammonia. Both MoFe protein and VFe protein, which contain vanadium, are present. Alkanes are saturated acyclic hydrocarbons. They consist of higher members like propane, methane, ethane, etc. The nitrogenase enzyme is essential for the fixation of nitrogen. The nitrogenase enzyme is used in the typical nitrogenase process to change nitrogen (N2) into ammonia (NH3). The two proteins molybdenum-iron and iron protein make up the majority of this enzyme. Alkanes like ethane and propane are produced as a result of the nitrogenase process. This reaction can result in H2 as it transforms N2 NH3 (dihydrogen). This H2 is used to create alkanes like ethane (C2H6) and propane as well as to decrease carbon monoxide (C3H8).

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Related Questions

Find the total mass in kilograms of a ring that contains a 5.0 x 10 -1 carat diamond and 7.00 grams of gold.

Answers

Answer:

49 вот правильный ответ

Which event increases the amount of dissolved oxygen in the ocean water?
A. El Nino
B. La Nina
C. spring tides
D. Neap tides

Answers

Answer:

I think it is Ea Nino I may be wrong though dont hold me to it

Match one graph shown at right to each of the gas laws named below.
Charles's law: a, c, d, e (b is incorrect)
Gay-Lussac’s law: a, b, d, e (c is incorrect)
Boyle’s law: b, c, d, e (a is incorrect)

Answers

Answer:

DBE

Explanation:

Cause I got it right

The correct options for Charles's law, Gay-Lussac's Law and Boyle's law are D, B and E respectively.

Charles's law states that, under the assumption of constant pressure, the volume of a gas increases or decreases with its temperature. As the temperature increases, the gas molecules move more quickly and occupy more space, increasing the volume of the gas.

Gay-Lussac's law states that, assuming a constant volume, the pressure and temperature of a gas are exactly related. Increasing temperature causes the gas molecules to become more kinetically energetic and collide with the walls of the container more frequently, increasing the pressure.

Boyle's law states that at a given temperature, the pressure and volume of a gas are inversely proportional. The reduced volume forces the gas molecules into a smaller area, increasing the chance of collisions with the container walls and pressure.

Therefore, the correct options for Charles's law, Gay-Lussac's Law and Boyle's law are D, B and E respectively.

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20 POINTS! NEED HELP
How many electrons does sulfur have to gain to achieve the Octet Rule?
1. 1 electron
2. 2 electrons
3. 3 electrons
4. 4 electrons

Answers

Answer:

Sulfur needs 2 more electrons to achieve octet in its valence shell.

Explanation:

According to the electronic configuration, 2 electrons are required to be gained by the sulfur to achieve the octet rule.

What is electronic configuration?

Electronic configuration is defined as the distribution of electrons which are present in an atom or molecule in atomic or molecular orbitals.It describes how each electron moves independently in an orbital.

Knowledge of electronic configuration is necessary for understanding the structure of periodic table.It helps in understanding the chemical properties of elements.

Elements undergo chemical reactions in order to achieve stability. Main group elements obey the octet rule in their electronic configuration while the transition elements follow the 18 electron rule. Noble elements have valence shell complete in ground state and hence are said to be stable.

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When Aluminum oxide is heated with iron no reaction takes place?

Answers

Answer:

Explanation:

That's correct. Once Aluminum becomes an ion, it is very hard to force it to take back its electrons. Only a few elements can do it. Iron is not one of them.

Consider the ranges of pitches made by these instruments and vocals.

A graph with frequency in Hertz on the x axis from 27 Hertz to 4166 Hertz. On the y axis are piccolo, oboe, flute, soprano vocal, violin, alto vocal, trumpet, clarinet, tenor vocal, bass vocal, guitar, french horn, bassoon, tuba, standup bass, bass guitar and pipe organ. Piccolo is 620 to 4166 Hertz, Oboe is 275 to 2200 Hertz, flute is 275 to 2200 Hertz, Soprano vocal is 200 to 1850 Hertz, violin is 196 to 3135 Hertz, alto vocal is 180 to 1760 Hertz, trumpet is 164 to 1050 Hertz, clarinet is 164 to 1900 Hertz, tenor vocal is 130 to 1306 Hertz, bass vocal is 96 to 987 Hertz, guitar is 83 to 850 Hertz, french horn is 83 to 1050 Hertz, bassoon is 61 to 529 Hertz, tuba is 49 to 246 Hertz, standup bass is 41 to 275 Hertz, bass guitar is 41 to 400 Hertz and pipe organ is 27 to 4166 Hertz.
In terms of the highest pitches they can make, which list correctly orders the instruments and vocals from highest to lowest?

clarinet, bassoon, piccolo, soprano vocal
piccolo, oboe, standup bass, tenor vocal
tuba, bass guitar, violin, piccolo
violin, clarinet, French horn, tuba

Answers

Answer:

D is correct

Explanation:

EDG 2021

What is the correct name for Cr2O3?

A. Chromium trioxide
B. Chromium(III) oxide
C. Dichromium trioxide
D. Chromium(II) trioxide ​

Answers

B is correct
Hope that helped
The answer would be B! I hope this helps!


How many
neutrons would
be found in
carbon-15 if it
were to exist?
Show your work.

Answers

Answer:

8 neutrons

A is the number of neutrons plus protons in the nucleus. However, we already know that there are 7 protons. Therefore, there must be 8 neutrons in the nucleus to add up to 15. Table 3.

Element Symbol Number of Neutrons

carbon 146C 8

nitrogen 147N 7

157N 8

oxygen 168O 8

Explanation:

What type is hydropower?

Answers

Answer:

Hydroelectric energy, also called hydroelectricity or hydropower, is a form of energy that uses the power of flowing water to generate electricity. There are three main types of hydroelectric energy: impoundment, diversion, and pumped storage.

Explanation:

MQ : Which parts of the brain had most likely been affected?

Answers

Answer:

the cerebrum

Explanation:

answer is A

What is the volume of 0.05 mol of neon gas at 1.45 atm and 275K?

Answers

Answer:

sdasdasddsafsadsfds

Explanation:

Mass of hydrated copper sulfate in CuSo4.5H2O​

Answers

Answer: Molar mass of [tex]CuSO_4.5H_2O[/tex] is 249.68 g/mol.

Explanation:

Molar mass is the mass of 1 mole of the molecule. It is calculated by adding masses of all the atoms in the given molecule.

[tex]CuSO_4.5H_2O[/tex] contains one atom of copper , 1 atom of sulphur, 9 atoms of oxygen and 10 atoms of hydrogen

Mass of copper = 63.5  g/mol

Mass of sulphur =  32.06 g/mol

mass of oxygen = 16.00 g/mol

Mass of hydrogen = 1.008 g/mol

 Thus mass of [tex]CuSO_4.5H_2O[/tex] = 63.5(1)+32.06(1)+16.00(9)+1.008(10)=249.68 g

Molar mass of [tex]CuSO_4.5H_2O[/tex] is 249.68 g/mol.

Bond energies can be used to estimate the energy of a reaction. Why is this only an estimate?

A) It's difficult to measure such a smal amount of energy.

B) The bonds in all molecules are the same, but not all molecules have bonds that are easily measured.

C)The same bond in a different molecule has a different energy. For example, O-H in water versus ethanol has different energies.

D) It's difficult to isolate an individual bond.​

Answers

Answer:

C)The same bond in a different molecule has a different energy. For example, O-H in water versus ethanol has different energies.

Explanation:

This is true going by the the statement about the bond energies and the bonding being different among the various elements. In the example given which is between ethanol and water, the bonds which exist among the elements is stronger in water than in ethanol. That is why, ethanol is easily combustible than water.

Answer:

The same bond in a different molecule has a different energy. For example, O-H in water versus ethanol has different energies.

Explanation:

Compare land cover and land use, explaining how they are related and describing one way that humans can affect that relationship.

Answers

Answer:

Land covers refer to all the manufactured structures and vegetation that covers the land it includes all vegetation including plants, shrubs, trees, and other man-made structures too.

On other hand, Land use is the term that explains the use of the land by the different human activities that are occurred on land that are directly related to the land.

Land cover influences land use by utilizing particular land such as parks, ponds, or other uses according to the land. and humans can cause changes in both when they urbanize the area or land.

Arrange the liquids pentane (CH3CH2CH2CH2CH3), pentanol (CH3CH2CH2CH2CH2OH), and pentanal (CH3CH2CH2CH2CHO) in order of decreasing viscosity, surface tension, and boiling point.

Rank from highest to lowest viscosity, surface tension, and boiling point.

Answers

Answer:

Following are decreasing order to this question:

Explanation:

Viscosity and surface tension both are inter-molecular by nature (IMFs)

The pentane becomes non-polar and just not H-bondable, so LDF alone would be likely (London Dispersion Force)

Pentanal, but H-bond => is impossible (Dipole-Dipole)

Pentanol is also an OH group, so H-bond => is probable (Hydrogen Bonding)

Higher air tension and viscosity than higher IMFs (because the atoms of fluids are more drawn). To lower the IMF (and therefore the viscosity/surface stress decreases)

pentanol

pentanal

pentane

Which molecular compound is composed of the greatest number of atoms?

A. Carbon Dioxide

B. Dinitrogen Monoxide

C. Potassium Phosphide

D. Sodium Chloride

Answers

Answer:

Answer:

                   Potassium Nitride is composed of the greatest number of atoms.

Explanation:

                   

find the number of atoms present in each compound we will write down their molecular formulas and then we will add up the number of atoms present in them.

A: Dinitrogen Monoxide:

                                       Chemical formula of Dinitrogen Monoxide is N₂O. Therefore, it contains two atoms of Nitrogen and one atom of oxygen Hence, in total it contains 3 atoms.

B: Sodium Chloride:

                               Chemical formula of Sodium Chloride is NaCl. Therefore, it contains one atom of Sodium and one atom of Chlorine Hence, in total it contains 2 atoms.

C: Potassium Nitride:

                                       Chemical formula of Dinitrogen Monoxide is K₃N. Therefore, it contains three atoms of Potassium and one atom of Nitrogen Hence, in total it contains 4 atoms.

D: Carbon Dioxide:

                               Chemical formula of Carbon Dioxide is CO₂. Therefore, it contains one atom of Carbon and two atoms of Oxygen Hence, in total it contains 3 atoms.

Explanation:

What specifically causes the vaporization of the lower boiling liquid on the packing in a fractional distillation

Answers

Answer:

Fractional distillation works because the various liquids have different points of boiling. When heating the mixture: As they enter a column below their boiling point temperature, vapors condense. Fluid flows from the column

Explanation:


Define atmosphere and list any three ways in which
the atmosphere is useful for the survival of living
things.​

Answers

Answer:

Explanation:

Atmosphere - the envolpoe of gasses sourounding the earth or another planet or the air in any particular place. The atmosphere protects us from the suns harmful rays, carrys cloud full of water so it can rain all over the world, and have oxygen, which is nessecary for survival to all living things.


When a substance breaks up into two simpler substances, the reaction
is an)
reaction.

Answers

Answer:

Decomposition.

Explanation:

Decomposition Reactions T hose reactions in which a single substance (reactant) splits up into two or more simpler substances (products) are known as decomposition reactions. These reactions are carried out by supplying energy in form of heat, electricity or light which breaks that substance into simpler substances

Is this the correct formula for magnesium acetate? Mg(C2H3O)2

Answers

Answer:

no

Explanation:

magnesium acetate= Mg(C2H3O2)2

The student recorded the mass of the cup + sample incorrectly and started with 2.20 g of hydrated compound but used 2.00 g in the calculations. Explain how this error will affect the calculation for the number of moles of water in the hydrate? Will the final answer be artificially high or low? How do you know?

Answers

Answer:

low

Explanation:

We were informed in the question that the student had incorrectly recorded the mass of cup + sample as 2.20 g but inadvertently used 2.00 g in the calculations.

This error will cause a slight decrease in the mass of water and ultimately decrease the number of moles of water in the hydrate.

What i am saying is that the number of moles of water obtained in the calculation will be artificially low.


How many molecules are in 17 grams of sodium chloride? Show your work.

Answers

Answer: 0.02 molecules
The mass of sodium chloride= 23+35.5 = 58.5g
No. Of moles= Molar mass of NaCI
1.17 divided by 58.5 = 0.02

Most of the sulfur used in the United States is chemically synthesized from hydrogen sulfide gas recovered from natural gas wells. In the first step of this synthesis, called Claus process, hydrogen sulfide gas is reacted with dioxygen gas to produce gaseous sulfur dioxide and water. Suppose a chemical engineer studying a new catalyst for the Claus reaction finds that 450 liters per second of dioxygen are consumed when the reaction is run at 264 degrees Celsius and 0.48 atm.

Required:
Calculate the rate at which sulfur dioxide is being produced. Give the answer in kg per second.

Answers

Answer:

[tex]0.21\ \text{kg/s}[/tex]

Explanation:

P = Pressure = [tex]0.48\ \text{atm}=0.48\times 101325\ \text{Pa}[/tex]

V = Volume = [tex]450\ \text{L/s}=450\times 10^{-3}\ \text{m}^3/\text{s}[/tex]

R = Gas constant = [tex]8.314\ \text{J/mol K}[/tex]

T = Temperature = [tex](264+273.15)\ \text{K}[/tex]

The reaction is

[tex]2H_2S+3O_2\rightarrow 2SO_2+2H_2O[/tex]

From ideal gas equation we have

[tex]PV=nRT\\\Rightarrow n=\dfrac{PV}{RT}\\\Rightarrow n=\dfrac{0.48\times101325\times 450\times 10^{-3}}{8.314\times (264+273.15)}\\\Rightarrow n=4.9\ \text{mol}[/tex]

Moles of [tex]SO_2[/tex] produced is

[tex]\dfrac{2}{3}\times 4.9=3.267\ \text{moles}[/tex]

Molar mass of [tex]SO_2[/tex] = 64.066 g/mol

Production rate is

[tex]3.267\times 64.066=209.3\ \text{g/s}=0.21\ \text{kg/s}[/tex]

The rate at which sulfur dioxide is being produced [tex]0.21\ \text{kg/s}[/tex].

Answer please I need help

Answers

Answer:

Explanation::::

Which substance is one that cannot be separated or broken down into simpler substances by chemical means? (Element, pure)

table salt (NaCl)
gold wire (Au)
candle wax (CH2O)
water vapor (H2O)

Answers

Answer:

gold wire (Au)

Explanation:

A substance that cannot be separated or broken down into simpler substances by chemical means is an element.

Between the given options only gold wire is an element, Au.

A way of knowing that it is an element is noticing that its formula is a single symbol which corresponds to an element found in the periodic table, unlike a combination of said symbols (like NaCl or H₂O).

I need help please my teaching is going to go crazy if I didn’t do it

Answers

Answer:

No One is going to answer all this because it hard to type it all in her. its easy to search it up

Explanation:

Which substance below would have particles with the SLOWEST average velocity at 300 K?

Fluorine, F2
Chlorine, Cl2
Methane, CH4
Xenon, Xe

Answers

Answer:

Likely Xenon, [tex]\rm Xe[/tex].

Explanation:

The average kinetic energy of particles of a gas at a given temperature and pressure should be the same (regardless of the exact composition of the particle.)

For example, let [tex]m_1[/tex] and [tex]m_2[/tex] denote the mass of each particle of two gases, and let [tex]v_1[/tex] and [tex]v_2[/tex] denote the average speed of particles of each gas.

Average kinetic energy of particles of the first gas: [tex]\displaystyle {\rm KE_1} = \frac{1}{2}\, m_1 \cdot ({v_1})^{2}[/tex].

Average kinetic energy of particles of the second gas: [tex]\displaystyle {\rm KE_2} = \frac{1}{2}\, m_2 \cdot ({v_2})^{2}[/tex].

If the temperature of these two gases are the same, [tex]\rm KE_1 = KE_2[/tex]. Hence:

[tex]\displaystyle \frac{1}{2}\, m_1 \cdot ({v_1})^{2}= \frac{1}{2}\, m_2 \cdot ({v_2})^{2}[/tex].

[tex]\displaystyle \frac{v_1}{v_2} = \frac{\sqrt{m_2}}{\sqrt{m_1}}[/tex].

In other words, the average velocity of particles of each gas (at the same temperature and pressure) is inversely proportional to the square root of the mass of one particle of each gas.

Similarly, at the same temperature and pressure, particles of the four gases in this question would have the same average kinetic energy. However, the gas with the largest per-particle mass would have the slowest average velocity for its particles.

Look up the relative atomic mass of the particles:

[tex]\rm F[/tex]: [tex]18.998[/tex].[tex]\rm C[/tex]: [tex]12.011[/tex].[tex]\rm H[/tex]: [tex]1.008[/tex].[tex]\rm Cl[/tex]: [tex]35.45[/tex].[tex]\rm Xe[/tex]: [tex]131.293[/tex].

Calculate the formula mass of each gas. That value would be proportional to the average mass of each particle of the gas:

[tex]\begin{aligned}M(\rm F_2) &= (2 \times 18.998)\; \rm g\cdot mol^{-1}\\ &= 37.996\; \rm g\cdot mol^{-1}\end{aligned}[/tex].[tex]\begin{aligned}M(\rm Cl_2) &= (2 \times 35.45)\; \rm g\cdot mol^{-1}\\ &= 70.90\; \rm g\cdot mol^{-1}\end{aligned}[/tex].[tex]\begin{aligned}M(\rm CH_4) &= (12.011 + 4 \times 1.008)\; \rm g\cdot mol^{-1}\\ &= 16.043\; \rm g\cdot mol^{-1}\end{aligned}[/tex].[tex]\begin{aligned}M(\rm Xe) &= 131.293\; \rm g \cdot mol^{-1}\end{aligned}[/tex].

Among these four gases, each particle of xenon, [tex]\rm Xe[/tex], has the largest per-particle mass. Hence, at the same temperature and pressure, particles of Xenon would have the slowest average velocity among these gases.

Choose the more metallic element from each pair.
a . Sr or Sb,
b. As or Bi,
c. Cl or O,
d. S or As

Answers

Answer:

c

Explanation:

CI or O

Carla Vista Company has the following information available for September 2020.

Unit selling price of video game consoles $410

Unit variable costs $328

Total fixed costs $36,900

Units sold 600

Compute the unit contribution margin.

Unit contribution margin enter the unit contribution margin

Prepare a CVP income statement that shows both total and per unit amounts.

Compute Carla Vista’ break-even point in units.

Break-even point in units enter Break-even point in units units

Prepare a CVP income statement for the break-even point that shows both total and per unit amounts.

The more metallic element  pair is Cl or O. Therefore, option C is correct.

What is metallic element ?

Except for hydrogen, which is a nonmetal, the elements are arranged in a triangle with the metals to the left, the nonmetals to the right, and the metalloids to the immediate right of the triangle.

Metal atoms are bound together by metallic bonds to form solids known as metallic solids. Metal solids include things like copper, gold, and zinc, for instance. Since cesium is the last naturally occurring alkali metal, it has the most metallic characteristics.

The non-metal components, like as rock and rubbish, are subsequently removed from the ore during processing. The subsequent melting and combining of various metal components yields metal alloys. A solid metal alloy substance is produced when the freshly combined metal compound has cooled.

Thus, option C is correct.

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Can someone help with this one?

Answers

FALSE ⚠ FALSE ⚠ FALSE ⚠

5.6 g of an organic compound on burning with excess
of oxygen gave 17.6 g of CO2, and 7.2 g of H,O. The
organic compound is :​

Answers

Answer:organic compound is :​ C₄H₈

Explanation: The equation of the reaction of the organic compound burning with excess oxygen gives us the general equation as

C xHy  + 1/2(x+ y/2 )O₂ → xCO₂ + y/2H₂O

We first find the number of moles of CO₂ and H₂O

Number of moles of CO₂= Mass/ molar mass

= 17.6g/ 44g/mol ( 12+ 16 x2)

=0.4 moles

Number of moles of H₂O= Mass/ molar mass

= 7.2g/ 18g/mol ( 1 X 2+ 16)

=0.4 moles

From the reaction , we can see that  

x = 0.4

and  [tex]\frac{y}{2}[/tex]= 0.4  such that y= 0.4 x 2= 0.8

Their ratios become

[tex]\frac{x}{y}[/tex] =[tex]\frac{0.4}{0.8}[/tex]= [tex]\frac{4}{8}[/tex]

Therefor the organic compound CxHy  = C₄H₈

​  

 

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