QuestionJuly 17, 2025

Which sample of water has the greatest rate of vaporization? a. A 100 mL sample of water at 25^circ C in 100-mL beaker with a 5 cm diameter. b. A 100 mL sample of water at 55^circ C in 100-mL beaker with a 5 cm diameter. c. A 100 mL sample of water at 25^circ C in 250-mL beaker with a 7 cm diameter. d. A 100 mL sample of water at 55^circ C in 250 -mL beaker with a 7 cm diameter.

Which sample of water has the greatest rate of vaporization? a. A 100 mL sample of water at 25^circ C in 100-mL beaker with a 5 cm diameter. b. A 100 mL sample of water at 55^circ C in 100-mL beaker with a 5 cm diameter. c. A 100 mL sample of water at 25^circ C in 250-mL beaker with a 7 cm diameter. d. A 100 mL sample of water at 55^circ C in 250 -mL beaker with a 7 cm diameter.
Which sample of water has the greatest rate of vaporization? a. A 100 mL sample of water at 25^circ C in 100-mL beaker with a 5 cm diameter. b. A 100 mL sample of water at 55^circ C in 100-mL beaker with a 5 cm diameter. c. A 100 mL sample of water at 25^circ C in 250-mL beaker with a 7 cm diameter. d. A 100 mL sample of water at 55^circ C in 250 -mL beaker with a 7 cm diameter.

Solution
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Answer

d. A 100 mL sample of water at 55^{\circ }C in 250-mL beaker with a 7 cm diameter. Explanation 1. Identify Factors Affecting Vaporization The rate of vaporization increases with temperature and surface area. 2. Compare Temperatures Samples at 55^{\circ }C (b and d) have a higher temperature than those at 25^{\circ }C (a and c), leading to a greater rate of vaporization. 3. Compare Surface Areas A larger beaker diameter (7 cm in c and d) provides a greater surface area than a smaller one (5 cm in a and b), enhancing vaporization. 4. Determine Greatest Rate Sample d has both the highest temperature (55^{\circ }C) and largest surface area (7 cm diameter).

Explanation

1. Identify Factors Affecting Vaporization<br /> The rate of vaporization increases with temperature and surface area.<br /><br />2. Compare Temperatures<br /> Samples at $55^{\circ }C$ (b and d) have a higher temperature than those at $25^{\circ }C$ (a and c), leading to a greater rate of vaporization.<br /><br />3. Compare Surface Areas<br /> A larger beaker diameter (7 cm in c and d) provides a greater surface area than a smaller one (5 cm in a and b), enhancing vaporization.<br /><br />4. Determine Greatest Rate<br /> Sample d has both the highest temperature ($55^{\circ }C$) and largest surface area (7 cm diameter).
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