If you allowed dry ice to stand in a bowl at room temperature for several hours, what would be left?

Avariable that is not being directly tested during an experiment should be

How many moles are contained in 5.6 l of h2 at stp

The rate constant for the reaction below is 6.2 x 10−5 mol l−1 s −1. if the initial concentration of a is 0.0500 m, what is its concentration after 115 s?