Scientists study the dark lines in a star's spectrum to identify . the star's name
the age of the star
the star's origin
elements in the star

It takes 945.kj/mol to break a nitrogen-nitrogen triple bond. calculate the maximum wavelength of light for which a nitrogen-nitrogen triple bond could be broken by absorbing a single photon.

Using the thermodynamic information in the aleks data tab, calculate the standard reaction free energy of the following chemical reaction: →+p4o10s6h2ol4h3po4s round your answer to zero decimal places.

Can someone me with 6 to 10 plz this is for masteries test.