given the following thermochemical equation ½ C2H4 (g) → C (graphite) + H2 (g) ΔHº = -26.2 kJ The standard enthalpy of formation of ethylene (C2H4) in kJ/mol is

The graph indicates the running route for tobias. which best describes his run? from time 0 to 6, he went fast and then slowed down. from time 6 to 10, he was at his slowest. from time 12 to 14, he went very slow. from time 14 to 18, he went toward the starting point.