What is the energy of a photon with a wavelength of 6.87 x 10-5 m? What type of radiation is this?

Which statement describes both homogeneous mixtures and heterogeneous mixtures?

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

Chemical kinetics what was the rate of reaction in trial 3? choose the closest answer.