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),

How many miles of water are produced if 5.43 mol pbo2 are consumed

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.

Dumbledore decides to gives a surprise demonstration. he starts with a hydrate of na2co3 which has a mass of 4.31 g before heating. after he heats it he finds the mass of the anhydrous compound is found to be 3.22 g. he asks everyone in class to determine the integer x in the hydrate: na2co3·xh2o; you should do this also. round your answer to the nearest integ