Nitrogen

Question: nitrogen......????? what are some uses nitrogen has to society

Answer: Here you go... straight out of wikipedia: 1)To preserve the freshness of packaged or bulk foods (by delaying rancidity and other forms of oxidative damage) 2) In ordinary incandescent light bulbs as an inexpensive alternative to argon 3) On top of liquid explosives for safety 4) The production of electronic parts such as transistors, diodes, and integrated circuits 5) Dried and pressurized, as a dielectric gas for high voltage equipment 6) The manufacturing of stainless steel 7) Use in military aircraft fuel systems to reduce fire hazard, see inerting system 8) Filling automotive and aircraft tires[4] due to its inertness and lack of moisture or oxidative qualities, as opposed to air, though this is not necessary for consumer automobiles.[5][6]

Question: How is it possible for nitrogen fixiation to take place inside a termites gut? Nitrogen gas in the termite gut comes from swallowed air =. However nitrogen fixation can only occur in anaerobic conditions, since the enzyme responsible for converting nitrogen gas to ammonia is inhibited by oxygen.

Answer: Anaerobic nitrogen-fixing bacteria in their digestive tract makes this possible.

Question: How do plants obtain the nitrogen they need? How do herbivores obtain the nitrogen they need? What about other animals? Also, how does nitrogen return to the atmosphere? What would be the impact on the nitrogen cycle if there were a decrease in decomposition in a given ecosystem?

Answer: plants can only absorb nitrogen in the form of ammonium or nitrate ions,while consumers get their nitrogen by eating other organism.. the ammonium and nitrate ions are in the soil because of nitrogen fixation.this is when atmospheric nitrogen is converted to ammonium or nitrate ions by nitrogen fixing bacteria. denitrifiaction is when nitrates are turned back into the atmospheric nitrogen by bacteria.this only happens in the absence of oxygen. =)

Question: From where do plants get their nitrogen compounds? When animals eat plants, they get nitrogen compounds that their bodies need. Plants do not make these nitrogen compounds. So from where do plants get their nitrogen compounds?

Answer: Nitrogen fixing bacteria that live around the roots of plants capture atmospheric N2 and convert it to organic forms that the plants can absorb and utilize. From http://en.wikipedia.org/wiki/Nitrogen_fixation "Nitrogen fixation is the process by which nitrogen is taken from its natural, relatively inert molecular form (N2) in the atmosphere and converted into nitrogen compounds such ammonia, nitrate and nitrogen dioxide. "Nitrogen fixation is performed naturally by a number of different prokaryotes, including bacteria, actinobacteria, and certain types of anaerobic bacteria. Microorganisms that fix nitrogen are called diazotrophs. Some higher plants, and some animals (termites), have formed associations with diazotrophs."

Question: What is the difference between liquid nitrogen and nitrogen? What is the chemical and physical difference between liquid nitrogen and nitrogen? And how would one go about converting one to another?

Answer: Chemical difference ...None. Physical difference...A liquid separated from liquefied air at -196°C. Vaporises (Boils Off) to its natural gaseous state at this temperature and Atmospheric pressure. It soon gains the temperature of the atmosphere as a gas while the liquid stays at -196°C while boiling.. Very briefly, the Liquefaction of Air process requires the Compression and Cooling of Clean, dry air by a series of these processes until the air changes to liquid at its Critical Temperature and Pressure of -149°C and 35 atm. The liquid air is then Fractionally Distilled to separate Nitrogen at -196°C and Oxygen at -183°C, at atmospheric pressure. The other gases contained in the atmosphere can also be separated in this way as required.

Question: How much nitrogen do water hyacinths need? How much nitrogen in the form of aqua ammonia do water hyacinths need? I am doing a science fair project and need to know how much nitrogen in the form of ammonia to put in. I am monitoring over a three week period, how hyacinths take out nitrogen. HELP!

Answer: NH3 (NH4OH) would be in PPM concentration, maybe 100 PPM

Question: What do nitrogen levels in fertilizer do for plants? Could there be too much nitrogen or too little? What are the effects of doing each?

Answer: Nitrogen helps the portion of the plant above the ground grow. So it helps the stems and leaves grow. Potassium helps the portion of the plant below the ground grow. Too much nitrogen can make the ground acidic and burn the plants. Nitrogen also helps plants have a dark green color. Nitrogen needs to be given at the right time. It's best to establish the roots first, then use nitrogen to get the plant going after the roots are established. Also, Nitrogen in the way it is delivered to a plant has a negative charge. Due to it's negative charge it doesnt' stick to the ground like Potassium does. So you can have what is called nitrogen run-off. Too much nitrogen run-off near drinking water like a well, can cause blue baby syndrome.

Question: Why is the Carbon to Nitrogen ratio in a given wild plant lower in comparison to its cultivated varieties? I'd really appreciate it if you could tell me why C/N (Carbon to Nitrogen ratio) is lower in the remains of older plants and also in the wild varieties of any cultivated plant, for example in rice. In other words, why are there more organic Nitrogen compared to organic Carbon in the dry content of wild plants than in cultivated ones?

Answer: Hi Behtarina, Are you ready for this??? (You gotta it!!! (lol)) There is more organic Nitrogen in the cultivated varieties of plants because they are fertilized. Farmers, gardeners, etc. are constantly adding Nitrogen (most often with other elements) to enrich the soil to maximize the growth and production of their plants. In the "wild" plants get what is available. I hope this helps. Flower Power

Question: What is nitrogen What is Nitrogen used for in the blood? When we inhale air, there is about a 78% nitrogen content, when we exhale air, there is a 74% nitrogen concentration. Obviously, this diffuses from the alveoli into the blood, but once it is in the blood, what is it used in? Thanks.

Answer: are you sure the percentages are correct? i've always thought the nitrogen inhaled to be equal to the percentage exhaled... however, some quick googling has led me to similar answer which wrote... "However, to go a little deeper, most of the nitrogen breathed in is expelled when you exhale. Very little is absorbed by the lungs, some of the nitrogen ends up absorbed by the liver and is passed out through urine, while a little more is exhaled after and entire circulation cycle. Build-up of too much nitrogen can cause various issues, anywhere from muscle cramps, hiccups, yawning and general fatigue. " The link the extract is from is below:

Question: How does nitrogen fixation affect the nitrogen cycle? Can somebody please answer these questions I need them.? How does nitrogen fixation affect the nitrogen cycle? What is the role of gentrifying bacteria in the nitrogen cycle? Supposed a farmer wanted to increase the amount of nitrogen in the soil by planting legumes. How do legumes increase the nitrogen in soil? How are three phases of matter involved in the water cycle? Think about the oxygen-carbon dioxide cycle. Why are plants important to humans' survival on the earth?

Answer: Living organisms need nitrogen to create proteins- and to do this, the nitrogen has to be in an organic compound- or 'fixed.' As most organisms can't attatch nitrogen into an organic compound themselves, they need to get this nitrogen 'pre-fixed.' As such, nitrogen fixation brings living organisms into the Nitrogen cycle. Are you sure you spelt 'gentrifying' right? I don't recognize that word. Diazotrophs fix nitrogen if that's what you mean? They are essential in the nitrogen cycle. They live in nodules in the roots of legumes wehre they have a symbiotic relationship with the bacteria- being provided a space to grow along with nutrients and in turn, providing fixed nitrogen to the plant. Three phases or matter are involved in water cycle -- water freezes in clouds falls as a liquid and evaporates as a gas to freeze and become another cloud. Last one- through respiration plants use co2 and give off oxygen we use oxygen and give off co2. Good luck!

Question: is there a healthier substitute for nitrogen when growing plants? I ask this because I just saw a program on pbs that showed how nitrogen and manure was getting into the water and killing fish off of Australia. They said the solution was to plant a lot of trees so the trees would take up the the nitrogen and manure runoff and not pour that bad runoff into the lakes. But I wondered if there was a substitute. thanks Kimberly, but I'm asking about the show (about Australia) not about where I live in USA but I suspect that same problem is here too. I'm not in any position to solve anything, I was merely asking.

Answer: Absolutely no, there is no substitue for nitrogen in raising green plants--it's like asking if we could provide an oxygen substitute for your breathing needs. We just need to take care that we keep the manure we use in farming on the farm, and not let it wash back into the rivers, hence the erosion control methods you saw mentioned on the show. I'm not sure what was killing the fish on the show you watched. Often we end up accidentally fertilizing the water, so that algae grows so quickly it kinda takes over the whole lake, keeping light away from other plants that need it. Then the plants the fish eat die, so the fish die. But it isn't like we (people) poisoned the fish, we just helped the wrong plants grow quickly and upset the ecosystem.

Question: What is the partial pressure of nitrogen after mixing? An apparatus consists of a 6 L flask containing nitrogen gas at 18◦C and 718 kPa, joined by a valve to a 13 L flask containing argon gas at 18◦C and 59.5 kPa. The valve is opened and the gases mix. What is the partial pressure of nitrogen after mixing? Answer in units of kPa. What is the partial pressure of argon after mixing? Answer in units of kPa. What is the total pressure of the gas mixture? Answer in units of kPa.

Answer: moles N2 = 7.09 atm x 6 / 0.08206 x 291 K= 1.78 moles Ar = 0.587 atm x 13/ 0.08206 x 291=0.320 total moles = 2.10 total volume = 19 L p = 2.10 x 0.08206 x 291 / 19=2.64 atm => 267 kPa => total pressure partial pressure Ar / 267 = 0.320 / 2.10 partial pressure Ar =40.7 kPa

Question: Which of these best describes the difference between the formulas for nitrogen monoxide and nitrogen dioxide? Which of these best describes the difference between the formulas for nitrogen monoxide and nitrogen dioxide? F. Nitrogen monoxide has one more atom of nitrogen. G. Nitrogen dioxide has one fewer atom of oxygen H. Nitrogen monoxide has one fewer atom of oxygen J. Nitrogen dioxide has one more atom of nitrogen

Answer: The answer is H; mono means 1

Question: How do I provide nitrogen to my vegetable plants? I did a soil test on my tomatoe and habanero plants and it was deficient. How can I suplly more nitrogen for them, any organic ways?

Answer: All animal manures have high levels of ammonium which breaks down into the various nitrates your plants need. You should probably try and sourse composted manures as the Ammonia will have already broken down to be more readily available. You also won't have to worry about burning that can occur when the manure is fresh. If you do get fresh manure, make sure it doesn't come into contact directly with the stems of your plants as it will burn. I recommend horse manure, composted chicken manure or sheep manure. Another excellent source of nitrogen is mushroom compost or fish emulsion. Fish emulsion is good because it also conditions your soil.

Question: What do we get by flowing in nitrogen gas into methanol liquid? Let say if we have a flowing nitrogen gas and we flow it into a container contains methanol, what do we get for the outcome result? Does the outflow nitrogen gas has methanol mixture in it? Thanks in advance.

Answer: Nitrogen is mainly used in conjunction with methanol to provide a stable nitrogen-methanol mixture gas for combustion. Basically used in laboratory and industrial processes where the heat needs to be properly controlled with the right amount of nitrogen and methanol.

Question: How would you convert a hydrogen refueling station to a liquid nitrogen refueling station? This scenario is in 100 years time and there are a lot of hydrogen refueling stations (for cars that run on fuel cells) and you have to convert these to liquid nitrogen refueling stations (for liquid nitrogen cars) because liquid nitrogen cars are "better" and the way to go. Is this even possible? Or would building an all new refueling station would be the best way? Any answers would be greatly appreciated =)

Answer: The change over from LH2 to LN2 is possible but running an automobile on LN2 is problematic since LN2 isn't used a s a fuel. On the other hand LH2 is dangerous and very combustible in its gaseous state. Storage is a problem because of it's volatility. Even launch complexes at Vandenberg and the Cape keep that stuff segregated from the rest of the fuels and oxidizers on the launch pads. This is something you should keep in mind when you design your filling stations. Now LN2 isn't nearly as dangerous as LH2 but it's not used as a fuel. It's inert, displaces oxygen (bad thing) and it's a cryogen but other than that it poses no danger. I just can't see it being used as a fuel. Anyway, burn off and/or remove all your LH2. Clean the storage tanks and have them either removed or refurbished to store LN2. Build an LN2 recharge station, emplace LN2 storage tanks, fill with LN2 and save the environment with your LN2 fueled automobiles.