If q = +51 kJ and w = -15 kJ, what is the change in internal energy?

What is the value of keq for the reaction expressed in scientific notation

In which reaction is precipitation occurring?

Mercury turns to vapor at 629.88 k how much heat is lost 175 g of mercury vapor at 650 current condenses to a liquid at 297 ca mercury turns to weber at 629.88 kelvin how much he is lost 175 g of mercury vapor and 650 coming condensers to liquidate 297 kevin