SOLUTIONEQUILIBRIUM_PHASESCalcite 0 10GAS_PHASE-fixed_pressureCO2(g) 0H2(g) 0CH4(g) 0REACTION_PRESSURE10REACTIONH2 11 in 10USER_GRAPH 1 -headings rxn CH4(g) pH -axis_titles "H2 added, moles" "CH4 gas, moles" "pH" -initial_solutions false -connect_simulations true -plot_concentration_vs x -start10 GRAPH_X RXN20 GRAPH_Y GAS("CH4(g)")30 GRAPH_SY -LA("H+") -end -active trueEND