B. Calculate the enthalpy (AH) for the reaction above using the values from the table (7 pts) Compound CH4(g) CO(9) CO2(9) HC (9) H2O(1) H2S(9) H2SO4(1) MgSO4(5) MnO(s) MnO2(s) NO(9) SO2(g) AHF (kJ/mol) -74.8 -110.525 -393.5 -92.3 -285.8 -20.1 -811.3 -1278.2 -384.9 -519.7 90.4 -296.1 AIRE c. Is the reaction above endothermic or exothermic? Circle one (1 pt).​

Which of the following is not a true statement about dwarf planets? a the kuiper belt contains comets, asteroids, and dwarf planets. b ceres is a dwarf planet located in the kuiper belt. c the largest known dwarf planet in the solar system is named eris.

When svante arrhenius first proposed his acid-base theory, he was a doctoral candidate. his professors thought his ideas were unfounded. within a decade, the arrhenius theory of acid-base was widely accepted and praised within the scientific world. arrhenius defined acids as compounds having ionizable hydrogen and bases as compounds with ionizable a) barium. b) hydronium. c) hydroxide. d) oxygen.

Atrain travels 74 kilometers in 3 hours, and then 81 kilometers in 5 hours. what is its average speed?