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.

This Simmons Citrate Agar (SCA) slant has been inoculated wi…

This Simmons Citrate Agar (SCA) slant has been inoculated with a bacterium using a needle and incubated for 72 hours at body temperature.   Control              Experimental Tube What conclusion can you make about this bacterium (in experimental tube)?