What would you use to measure the volume of a liquid?
graduated cylinder
ruler
spectroscope
balance

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.

If 1.63 times 10 negative 4 of helium dissolves in 100.0g of water, what is the concentration in parts per million

Once similarity and one difference between a mixture of elements and a mixture of compounds