One of the primary visible emissions from a distant planet occurs at 413 nm.

Calculate the energy of a single photon of this emission. One of the primary visible emissions from a distant planet occurs at 413 nm.

Calculate the energy of a single photon of this emission.

How many moles of gas are present if p=11 atm, v=12l, t=185k?

Compare and contrast the bohr model and the electron cloud models of the atom.

The human activities in two locations are described below: location a: rampant use of plastic containers location b: excessive use of pesticides and fertilizers which statement is most likely true? location a will have poor air quality because plastic is biodegradable. location a will experience water scarcity because plastic absorbs moisture. the population of honeybees will increase in location b because production of crops will increase. the population of fish in location b will decrease because the water is contaminated.