Different prokaryotes use different N-sources. Which one of the following molecules contains the most reduced form...
Different prokaryotes use different N-sources. Which one of the following molecules contains the most reduced form of N?
A. Nitrite (NO2-)
B. Nitrate (NO3-)
C. Molecular (diatomic) nitrogen (N2)
D. Ammonium (NH4+)
Homework Answers
ANSWER: Ammonium (NH4+)
The biological process of the nitrogen cycle is a complex interplay among many microorganisms catalyzing different reactions. In biological world, nitrogen is found in varying oxidation states from nitrate (the most oxidized form) to ammonia (the most reduced form). (Rate if answer is helpful thanks)
The least known part of the nitrogen cycle is the reduced nitrogen form. Reduced nitrogen, such as ammonia, ammonium and amines, is essential in food production, in ecology and also in the environment.
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Different prokaryotes use different N-sources. Which one of the
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Question 7 (1 point) The role of nitrogen-fixing bacteria is to convert (Fill in the blank.)...
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In some aquatic ecosystems, nitrate (NO3–) is converted to nitrite (NO2–), which then decomposes to nitrogen and water....
In some aquatic ecosystems, nitrate (NO3–)
is converted to nitrite (NO2–), which then
decomposes to nitrogen and water. As an example of this second
reaction, consider the decomposition of ammonium nitrite:
$$NH4NO2(aq)N2(g)+2H2O(l)
3rd attempt
See Hint
See Periodic Table
What would be the change in pressure in a sealed 10.0 L vessel
due to the formation of N2gas when the ammonium nitrite
in 2.60 L of 0.800 M NH4NO2 decomposes at
25.0°C?
atm
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And why?
Which element does NOT exist in its most stable form as diatomic molecules? nitrogen carbon hydrogen oxygen Which combination of formula and name is incorrect? NaNO_3, sodium nitrate (NH_4)_2SO_4, ammonium sulfide FeC1_3, iron(III) chloride P_2S_5, diphosphorus pentasulfide none of these (i.e., all are correct combinations of name and formula)
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In some aquatic ecosystems, nitrate (NO3-) is converted to nitrite (NO2), which then decomposes to nitrogen and water. As an example of this second reaction, consider the decomposition of ammonium nitrite: NH4NO2 (aq) →→N (8) +2H2O(1) 2nd attempt Feedback W See Periodic Table See Hint What would be the change in pressure in a sealed 10.0 L vessel due to the formation of N2 gas when the ammonium nitrite in 1.00 L of 1.10 M NH4NO2 decomposes at 25.0°C? ®...
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Question 7 (1 point) The role of nitrogen-fixing bacteria is to convert (Fill in the blank.) A) atmospheric nitrogen (N2) into ammonia (NH3) and ammonium (NH4) B) nitrous oxide (N2O) into ammonia (NH3) C) ammonia (NH3) and ammonium (NH4) into atmospheric nitrogen (N2) nitrate (NO3) into nitrite (NO2) Question 8(2 points) Which of the following processes serve to shift the balance of carbon further into the atmosphere (in the form of CO2)? Select all that apply. A) Emissions from automobiles...
In some aquatic ecosystems, nitrate (NO3–)
is converted to nitrite (NO2–), which then
decomposes to nitrogen and water. As an example of this second
reaction, consider the decomposition of ammonium nitrite:
$$NH4NO2(aq)N2(g)+2H2O(l)
3rd attempt
See Hint
See Periodic Table
What would be the change in pressure in a sealed 10.0 L vessel
due to the formation of N2gas when the ammonium nitrite
in 2.60 L of 0.800 M NH4NO2 decomposes at
25.0°C?
atm
We were unable to transcribe this imageWe...
And why?
Which element does NOT exist in its most stable form as diatomic molecules? nitrogen carbon hydrogen oxygen Which combination of formula and name is incorrect? NaNO_3, sodium nitrate (NH_4)_2SO_4, ammonium sulfide FeC1_3, iron(III) chloride P_2S_5, diphosphorus pentasulfide none of these (i.e., all are correct combinations of name and formula)
In some aquatic ecosystems, nitrate (NO3-) is converted to nitrite (NO2), which then decomposes to nitrogen and water. As an example of this second reaction, consider the decomposition of ammonium nitrite: NH4NO2 (aq) →→N (8) +2H2O(1) 2nd attempt Feedback W See Periodic Table See Hint What would be the change in pressure in a sealed 10.0 L vessel due to the formation of N2 gas when the ammonium nitrite in 1.00 L of 1.10 M NH4NO2 decomposes at 25.0°C? ®...
15. Which of the following is NOT able to break the triple bond of N2? Nitrate reductase b. Industrial processing using high temperature plus high pressure c Lightning d. Nitrogen Fixing Bacteria a. 16. Choose the correct order of nitrogen assimilation in plants a. Nitrite- Nitrate Ammonium Amino Acids b. Nitrate- Nitrite Ammonium Amino Acids c. Ammonium Nitrite Nitrate Amino Acids d.Amino Acids -> Nitrite Nitrate Ammonium 7. Phosphate is used in a plant to a. add the P to...
Gas pressure is caused by: A) barometers B) temperature C) gas molecules condensing into a liquid D) gas molecules hitting other gas molecules E) gas molecules colliding with surfaces 7) 8) What is the molarity of a solution that results when 21.3 g of (NH4)3PO4 (MM- 149 g/mol) is dissolved C) 0.357 M E) 1.61 x 10- water and brought to a total volume of 250.0 mL? D) 85.2 M B) 2.28 M A) 0.572 M 9) What is the...
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