Provide an explanation for each of the following phenomena: (a) Solid argon (m.p. -189.2°C; b.p. -185.7°C) can
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(a) Solid argon (m.p. -189.2°C; b.p. -185.7°C) can be prepared by immersing a flask containing argon gas in liquid nitrogen (b.p. -195.8°C) until it liquefies and then connecting the flask to a vacuum pump.
(b) The melting point of cyclohexane (C6H12) increases with increasing pressure exerted on the solid cyclohexane.
(c) Certain high-altitude clouds contain water droplets at -10°C.
(d) When a piece of dry ice is added to a beaker of water, fog forms above the water.
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a Pumping allows Ar atoms to escape thus removing heat from the liquid phase Ev...View the full answer
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