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Which of the following processes is endothermic, given the following:
S(s) + O2(g) SO2(g) H = -299 kJ/mol
S(s) + 3/2 O2(g) SO3(g) H = -395 kJ/mol
Bulldozing
A process involving the forceful pushing, scouring, or removal of earth, materials, or obstacles using heavy machinery or natural forces, such as glaciers.
Air Quality
A measure of the amount of pollutants in the air, reflecting how clean or polluted the air is.
Composite Volcano
A type of volcano built from alternating layers of lava flows, volcanic ash, cinders, blocks, and bombs, typically steep-sided and explosive.
Pyroclastic Rocks
Formed from volcanic eruptions, these rocks are made up of volcanic ash, dust, and debris.
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