How many Joules of energy are contained in a photon-with 2 = 496.36 nm?

The peak wavelength for the blackbody curve of a star is in the uv range. assuming the radiation from this star can reach earth, would you be able to see it?

Design techniques and materials that reduce the negative environmental impact of a structure are referred to as

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.