What happens to energy during the formation of a solution? It is released or absorbed.
It is only released.
It is only absorbed.
It is neither released nor absorbed.

Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?

In vapor-liquid equilibrium in a binary mixture, both components are generally present in both phases. how many degrees of freedom are there for such a system? the reaction between nitrogen and hydrogen to form ammonia occurs in the gas phase. how many degrees of freedom are there for this system? steam and coal react at high temperatures to form hydrogen, carbon monoxide, carbon dioxide, and methane. the following reactions have been suggested as being involved in the chemical transformation:

What is the average rate of the reaction between 10 and 20 s?