What can you say about δu, q and w for the following processess? (a) a chemical reaction occurs irreversibly in a well-insulated, rigid bomb. there is an increase in the number of mols such that pressure increases considerably. ( take the bomb as your system) (b) one kmol of an ideal gas (cpm=30kj/kmol∙k),

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.

2-bromo-2-methylbutane undergoes an e1 elimination reaction in the presence of ethanol. in the next reaction only one of the possible products is represented. although the product shown is not the major product of the reaction, notice that there is more than one way it can be produced. complete the mechanism and draw the missing substances.

How many moles are in 1.26*10^24 particles in significant figures