Calculate the change in enthalpy for the following reaction: 4 HCl (g) + O2 (g) → 2 H20 (g) + 2 Cl2 (g)

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(I don't need an explanation. I just want to double check my worksheet answers.)

Astream of surface water reaches a porous portion of sediment and seeps into the ground. this water eventually joins a large reservoir of water located beneath the earth's surface. the example above describes the interacting with the a. cryosphere; biosphere b. hydrosphere; biosphere c. hydrosphere; geosphere d. cryosphere; geosphere