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A 50.0g of copper (s = 0.377 J/g•ºC) initially at 75 ºC is submerged in 50.0mL of water (s = 4.184 J/g•ºC) at a temp. of 23ºC. find T final? What is the group names of the periodic table? all of them:)? How many electrons are in the outer shells of lithium? A sample of N2O at 464 mmHg and 281K occupies a volume of 5.79L. How many L would it occupy at 890 mmHg and 269K? Calculate the ionization energy of a photolectron with a kinetic energy of 2.372x10^-16 J.?