A reaction has an equilibrium constant of 7. 9×103 at 298 k. At 713 k , the equilibrium constant is 0. 77. Do you predict that the enthalpy of the reaction is positive or negative? why?.

Friction is the force that act and opposes all motion of moving objects

Honestly "global warming" may be a slight possiblity, however they called it "climate change" because its not real, in fact we had one of our coldest days here not too long ago, and the "issues" with this subject is a blindfold for actual problems.

Ok what do you need with