Mercury melts at 234.3 k. convert this this melting point to degrees celcius

Suppose a lab group reports a ppercent yield of sand of 105. is it really possible to collect more sand than was originally represented? what is the possible explanation for the extra product?

An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.

The nuclear fission process releases neutrons and question 27 options: alpha particles electrons energy beta particles