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Predict the sign of ΔS for the reaction O2(g) → 2O(g).
Pumice
A light, porous volcanic rock formed from explosive eruptions, known for its ability to float on water.
Welded Tuff
A type of rock formed from volcanic ash ejected during an eruption, which then falls and welds together under high temperature and pressure.
Feldspar
A group of rock-forming silicate minerals that make up a significant portion of the Earth's crust, commonly found in igneous, metamorphic, and sedimentary rocks.
Quartz
A hard, crystalline mineral composed of silicon dioxide (SiO2), widely used in jewelry and as an industrial abrasive.
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