Nothing. Nitrogen is quite unreactive due to the triple bond between two nitrogen atoms. An explosive inside the liquid nitrogen would not ignite unless designed for the purpose.
This mixing is impossible; liquid nitrogen become a gas. Possible formation of uranium nitrides.
The liquid helium would boil and evaporate.
no never!!Nothing will happen if liquid nitrogen spills on them but if it hits your eyes your eyes will be damaged.
It will heat up and evaporate.
It depends on how much water, how hot it is, and how much liquid nitrogen there is. The water will initially cause the liquid nitrogen to boil; if there's enough water and it's hot enough, it may make the nitrogen boil explosively. However, if there's enough nitrogen, it will eventually freeze the water.
It will become liquid at approx 77 K at atmospheric pressure.
most likely it will freeze and then when it is dropped it will shatter into many pieces
Explosive Racing happened in 1997.
War of the Bucket happened in 1325.
It would go different directions and will also split, so nonthing.
It would freeze and become brittle, and shatter into small pieces if dropped onto a hard surface
This may not be as spectacular as you migh imagine. If one litre of liquid nitrogen turned to gas, then it would simply be no longer the liquid form of nitrogen, but the gas form of it. This starts to happen immediately: its te smoke like stuff coming of the liquid nitrogen. Nitrogen in its gas form is a normal part of our atmosphere, we need it to breathe, so one litre of LIQUID nitrogen turning to GAS nitrogen will not do anything cool., You need to put something in the liquid nitrogen, and as nitrogen can only be liquid at a very low temperature, what ever you put in it, will freeze and if you hit it it will break. Dont get any on you: it wil freeze your flesh off