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Why does liquid nitrogen exposed to air is a physical change?
When liquid nitrogen is exposed to air, it rapidly evaporates and turns into nitrogen gas. This process is a physical change because only the physical state of the substance is changed from liquid to gas, without altering its chemical composition.
What happens when KMnO4 is exposed to cold temperatures?
When potassium permanganate (KMnO4) is exposed to cold temperatures, it may crystallize and form solid particles. This can affect its solubility and reaction rate.
Does metal react with nitrogen?
Pure metal does not react with nitrogen. However, some metals can form compounds with nitrogen under certain conditions, such as high temperatures and pressures. For example, titanium and zirconium can form nitrides when exposed to nitrogen at elevated temperatures.
Does liquid nitrogen freeze?
Liquid nitrogen itself does not freeze, as it is already in a liquid state at extremely low temperatures (-196 degrees Celsius). However, when exposed to even lower temperatures, it can solidify into a white crystalline form known as solid nitrogen.
How does liquid nitrogen react with chlorine?
When liquid nitrogen is exposed to chlorine gas, a violent reaction can occur, leading to the formation of nitrogen trichloride (NCl3). This compound is highly unstable and can explode upon contact with organic materials or light. Extreme caution should be taken when combining these two substances.
Why does liquid nitrogen exposed to air is a physical change?
When liquid nitrogen is exposed to air, it rapidly evaporates and turns into nitrogen gas. This process is a physical change because only the physical state of the substance is changed from liquid to gas, without altering its chemical composition.
If liquid nitrogen freezes everything why is itself a liquid?
liquid nitrogen will not freeze everything. Hydrogen and helium will remain a gas when exposed to liquid nitrogen.
Why don't Fe rust when exposed to N?
Rust - by definition - is oxidation. It requires oxygen. If it's exposed to nitrogen, it's not oxidizing.
What enzyme that adds nucleotides to exposed nitrogen bases?
DNA and RNA polymerase
What is enzyme that adds nucleotides to exposed nitrogen bases?
DNA polymerase is the enzyme that adds complementary nucleotides to exposed nitrogen bases during DNA replication.
What was Ernest Rutherford's real job?
rutherford's first researches, in new zeland, were concerned with the magnetic properies of iron exposed to high frequencys discovered new noble gas isotope of radon which is known as thoron
Enzyme that adds nucleotides to exposed nitrogen bases?
DNA polymerase is the enzyme responsible for adding nucleotides to exposed nitrogen bases during DNA replication. It catalyzes the formation of phosphodiester bonds between the incoming nucleotide and the growing DNA strand.
Are smaller particles weathered more rapidly than larger particles?
Yes, because smaller particles are more exposed to air (large surface area).
A type of pollution that forms when nitrogen and carbon compounds are exposed to sunlight is called?
photochemical smog
What happens to air particles exposed to a laser beam?
When air particles are exposed to a laser beam, they can heat up and gain energy, causing them to move at higher speeds and collide with other particles. This can lead to the particles scattering in random directions and potentially ionizing the surrounding air molecules.
What is the formula for the compound nitrogen monoxide?
The formula is is 'NO'. The 'N' comes from one Nitrogen atom, and the O from one Oxygen(Monoxide) atom. If NO is exposed to oxygen, it will take on an extra Oxygen atom and become NO2. (Nitrogen Dioxide)
Can unused wind blown Gunite particles be dangerous to an indivuals health.?
Gunite particles can be dangerous to health. For workers routinely exposed to the particles, OSHA says that silicosis can develop.
