The diagram below shows the reaction of nitrogen with hydrogen to produce ammonia. The reaction above takes place closed in a system. What is true about the mass of the nitrogen atoms in this reaction?

(apex) when a cup of water is dropped, as the cup falls, the water in the cup falls out true or false?

How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?

Substance a is a nonpolar liquid and has only dispersion forces among its constituent particles. substance b is also a nonpolar liquid and has about the same magnitude of dispersion forces among its constituent particles. when substance a and b are combined, they spontaneously mix.