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4) Glass is made of silicon dioxide, SiO2. When water is placed into a narrow glass tube, the water appears to climb up the glass

4) Glass is made of silicon dioxide, SiO2. When water is placed into a narrow glass tube, the water appears to climb up the glass tube, forming a meniscus. When mercury is placed into the tube, the meniscus appears to curve the opposite way. Explain how/why the meniscus forms in terms of intermolecular forces.

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