Predict what will happen to the state of a substance and the atomic or molecular activity (or activity of the particles) when thermal energy is added to a solid. what will happen when thermal energy is added to a liquid?

What is the composition, in atom percent, of an alloy that consists of 4.5 wt% pb and 95.5 wt% sn? the atomic weights for pb and sn are 207.19 g/mol and 118.71 g/mol, respectively.(a) 2.6 at% pb and 97.4 at% sn(b) 7.6 at% pb and 92.4 at% sn(c)97.4 at% pb and 2.6 at% sn(d) 92.4 at% pb and 7.6 at% sn

How many grams of n2h4 will be consumed by 23 g of n2o4

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer