In March of 2020, a student goes into the lab and sets up th…

In March of 2020, a student goes into the lab and sets up the two reactions below.  The first one turns cloudy after about 15 minutes.  The other remains clear.  The student decides to leave the reactions and go home for the day.  Then, when everything is shut down due to COVID, she cannot go back into the lab for two months.  When she finally returns both reactions are cloudy.  Explain what happened.