What is gsystem for the system that is described by the following data? hsystem = –345 kj, t = 293 k, ssystem = 465 j/k gsystem = hsystem – tssystem –481 kj –209 kj 413 kj 135,900 kj

Darla claims that the first periodic table developed by mendeleev was not completely accurate, so it is not useful at all. harmony argues that it establish the periodic table we use today, making it more credible. who is correct and why? darla is correct, because a model that has any mistakes should be thrown out. darla is correct, because a good model would not need to change. harmony is correct, because mendeleev’s model had all of the information correct in the first version. harmony is correct, because mendeleev’s model made predictions that came true.

At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure

Apiece of metal with a length of 1.42 cm was measured using four different instruments. which of the following measurements is the most accurate?