Hess’s Law – Line Addition – Level 3 Use the following therm…

Hess’s Law – Line Addition – Level 3 Use the following thermochemical equations to determine the enthalpy change (ΔH) for the target reaction: C(graphite)+2H2 (g)→CH4 (g) Given reactions: C(graphite) + O2 (g)→CO2 (g) ΔH1=-393.5 kJ2H2 (g) + O2 (g)→2H2 O(l)  ΔH2=-571.6 kJCH4 (g) + 2O2 (g)→CO2 (g) + 2H2O(l) ΔH3=-890.3 kJ  Question:      Using Hess’s Law, what is ΔH° for C(graphite)+2H2 (g)→CH4 (g)?

These SIM tubes have been inoculated with two different bact…

These SIM tubes have been inoculated with two different bacterial pure cultures and incubated at 37°C for 24 hours.        Control                        Tube   A                     Tube B Describe your complete observations regarding the tests in this medium for tube A.