answersLogoWhite

0

Nitrogen

Nitrogen (N) has the atomic number 7 on the periodic table and is mostly found in the colorless, gaseous form. Nitrogen is also the most abundant element on the planet Earth.

522 Questions

What is the role of nitrogen fixing bacteria?

Nitrogen-fixing bacteria play a crucial role in the nitrogen cycle by converting atmospheric nitrogen into a form that plants can use for growth. This process helps to replenish soil nutrients, promoting plant health and ecosystem sustainability.

How was nitrogen discovered?

Nitrogen was first discovered by Scottish physician Daniel Rutherford in 1772 through experiments involving the removal of oxygen and carbon dioxide from air. He named the gas nitrogen because it was found to be the part of air that does not support combustion or life.

Which essential chemicals require nitrogen for their formation from sugars?

Nitrogen is a part of all living cells and is a necessary part of all proteins, enzymes and metabolic processes involved in the synthesis and transfer of energy. Nitrogen is a part of chlorophyll, the green pigment of the plant that is responsible for photosynthesis. Helps plants with rapid growth, increasing seed and fruit production and improving the quality of leaf and forage crops. Nitrogen often comes from fertilizer application and from the air (legumes get their N from the atmosphere, water or rainfall contributes very little nitrogen) Might help if not I havent got a clue

What are the 6 steps of the nitrogen cycle?

Step 1: Nitrogen-fixation

Atmospheric: Happens when Nitrogen (N2) is oxidized at high temperatures (by lightning, in internal combustion engines) to make nitrite (NO2). This can combine with water to form nitric acid (H2NO3), which is deposited on earth through rainfall.

Biological: Done by bacteria which can convert N2 into ammonia (NH3) if an energy source is present. Some get this energy by directly absorbing sunlight (blue-green algae) or by living in the roots of plants (legumes, alder trees), who provide them with food (Rhizobium, Azospirillium).

Step 2: Conversion to Ammonia. As amino acids and nucleic acids require N in the form of Ammonia, if nitrate (NO3) present, it must be converted to NH3. This is done through Nitrate reductase enzymes.

Step 3: Biological Use. Ammonia is incorporated into proteins, nucleic acids

Step 4: When organism dies, ammonia is relased back into the biosphere through the process of Ammonification, in which water is added to proteins to make carbon dioxide and ammonia. This process happens during digestion, and is also done by bacterial and fungal decomposers.

Step 5: If ammonia released into oxygen rich (anerobic) soil, other bacteria can convert it into nitrite or nitrate through the process of Nitrification:

NH4+ + 2O2 = NO3- + H2O + 2H.

This is a problem, as it gives the molecule which contains Nitrogen a negative charge, which repels it from soil particles, causing it to be easily leached into streams and groundwater.

Step 6: If soils remain anerobic, another group of poop will convert it back into inert, atmospheric N2 through the process of Denitrification. In this process, bacteria use nitrate as an Oxygen source for respiration: C6H12O6 + 4NO3- = 6CO2 + 6H2O + 2N2

AND THE SPACE UNICORN WILL SAVE US ALL!! XD

Why do plants need nitrogen?

All plants need nitrogen to make amino acids, proteins and DNA, but the nitrogen in the atmosphere is not in a form that they can use. Other plants get the nitrogen they need from the soils or water in which they live mostly in the form of inorganic nitrate (NO3-). Bacteria living in plant nodules in the soil on the roots of the plant also provide the plant with the nitrogen it needs while providing the bacteria a sugar source. Nitrogen is a limiting factor for plant growth.

What is atmospheric nitrogen?

Certain plants (notably legumes - beans) and many bacteria act as nitrogen fixing agents, taking nitrogen from the air and producing nitrogen compounds by combining nitrogen with other elements. Nitrogen fixation can also occur as a result of lightning and some human activities, such as combustion.

Other than that, it stays in the atmosphere, and fixed nitrogen eventually returns to the atmosphere, as well, to begin the cycle again.

When do you we use nitrogen?

mostly, nitrogen is used when there is an inert gas needed but oxygen wouldn't work very well. some applications are: to keep bulk foods fresh, in incandescent bulbs as a cheap alternative to argon, the production of electronic parts, in electrical equipment, manufacturing of stainless steel, military aircraft fuel systems to reduce fire hazard, on top of liquid explosives as a safety measure, inside tires (sometimes), and a propellant for wine, and im pretty sure that's whats in those spray cans of air, and whipcream gas. btw the guy that said u make explosives out of it to blow up the U.S. was wrong.

What is a catchy saying for nitrogen?

nitrogen the bright idea behind the brightest invention

or

life wouldn't be the same without it

What is the safe method for filling hydraulic accumulator with nitrogen gas?

The safe method for filling a hydraulic accumulator with nitrogen gas involves first ensuring that the system is depressurized and isolated. Then, use a nitrogen regulator and appropriate hoses to slowly fill the accumulator to the recommended pressure while monitoring the pressure gauge closely. Make sure to follow all manufacturer's guidelines and safety precautions during the filling process.

Why is nitrogen a nonmetal?

Because it doesn't have the properties of a metal.

What are the basic characteristics of the element nitrogen?

Nitrogen is a nonmetal element with symbol N and atomic number 7. It is colorless, odorless, tasteless, and makes up about 78% of Earth's atmosphere in the form of diatomic nitrogen gas (N2). Nitrogen is essential for living organisms as it is a key component of proteins and nucleic acids.

What is nitrogen and phosphorus?

Nitrogen is a chemical element that has the symbol N, atomic number of 7 and atomic mass [14.00643; 14,00728] a.m.u.

Phosphorus is a chemical element that has the symbol P, atomic number 15 and atomic mass 30.973762(2) a.m.u.

What is the weight of nitrogen?

The atomic weight of nitrogen is 14.0067 u.

Does coke have nitrogen in it?

It depends on which 'coke' you refer to. Coke coal contains only carbon and some minor impurities of other elements, but no nitrogen. Cocaine does contain nitrogen, as an atom in the molecule, but not as a pure element. Coca-Cola (or any cola) will also contain nitrogen in a similar way, as a part of several molecules within the mixture.

Does nitrogen have no charge?

The neutral nitrogen atom and the neutral nitrogen molecule has no net charge because they are made up of equal numbers of positively charged protons and negatively charged electrons. If the nitrogen atom or molecule gains or looses and electron it becomes a positively or negatively charged ion.

Term for any bacteria that converts nitrogen into nitrogen compounds?

They are called nitryfying bacteria. Examples are Rhizobium, Anabena etc

Is nitrogen Matter?

Yes, nitrogen is a form of matter. Matter refers to anything that has mass and takes up space. Nitrogen is a chemical element with the symbol N and atomic number 7. It exists as a gas in its natural state and is a fundamental component of the Earth's atmosphere.

What molecules store nitrogen in the body?

In the body, nitrogen is stored primarily in the form of amino acids, which are the building blocks of proteins. Proteins are essential for various physiological processes and nitrogen is a crucial component of amino acids. Additionally, nitrogen can also be stored in other molecules like nucleic acids, which are composed of nitrogen-containing bases such as adenine, guanine, cytosine, and thymine.

What are the similarties between the water cycle and the nitrogen cycle?

both cycles transfer either carbon or nitrogen from the ocean to the atmosphere or from the atmosphere to the ocean.

Why bacteria are the most important part of the nitrogen cycle?

The conversion of ammonia to nitrate (nitrification) is performed primarily by soil-living bacteria and other nitrifying bacteria. It is important for the ammonia to be converted to nitrates because accumulated nitrites are toxic to plant life. Denitrification is the reduction of nitrates back into the largely inert nitrogen gas (N2), completing the nitrogen cycle.

Were do people get their nitrogen from?

From the air around us, since air is composed of 78.08% nitrogen. Nitrogen gas is an industrial gas produced by the fractional distillation of liquid air, or by mechanical means using gaseous air (i.e. pressurised reverse osmosis membrane or Pressure swing adsorption). Commercial nitrogen is often a byproduct of air-processing for industrial concentration of oxygen for steelmaking and other purposes.

Can nitrogen gas be used by plants?

No. Plants cannot use elemental nitrogen. The nitrogen must first be fixed, either by lightning or by nitrogen-fixing bacteria. Some plants have such bacteria in their roots.

What is a positive nitrogen balance?

What factors might lead to a positive nitrogen balance?