A student produced H 2(g) by performing the following chemical reaction: What is the ratio of the gas pressure in the second container to the initial gas pressure in the first container? Mg (1) +2 HCl (aq) MgCl 2(aq) +H 2(g) The hydrogen gas produced was collected and stored in a 2.00 L container at 20 deg * C Half of the original amount of the gas is transferred into a 0.50 L container at - 20 deg * C