At a recycling plant, old tin cans are melted down and reconstructed. This is an example of a .

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.

What are the spectator ions in 2h+ + so42- + ca2+ + 2r → caso4 + 2h+ + 21?

According to the tide table below what time of day will the highest tide occur?