victoriazh2005
15.04.2020 •
Chemistry
C. Use the equation C(s) + 2H2(g) CH4(g), ΔH = –74.85, for the following questions. (5 points)
i. Is the formation of methane (CH4) an exothermic or endothermic reaction? (1 point)
ii. Draw a potential energy diagram for the reaction. (2 points)
iii. Label the graph with the following: "Reactants," "Products," "ΔHreaction," and "Ea." (2 points)
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