Question

3. Mount Everest rises to a height of 29,035 ft (8.850 x 109 m) above sea level. At this height, the atmospheric pressure is 230 mm Hg. At what temperature does water boil at the summit of Mount Everest? (AHvap for H20 = 40.7 kJ/mole) a. -17°C b. 31°C c. 48°C d. 57°C e. 69°C

Answer 1

Sole Given data, Mount Everest rises to a height of 29,035ft (8.850 x 10*m) above sea level. At this height, the atmospheric pressure is 230 mm Hg. According to Clausius - quation 4 lapeyson LIP in(?). Some tha ) Where, . ~ P., Pa are the vapor pressures at T, and Tą respectively → Tis given in units Kelvin R the gas constant (8.314 Jlk mos) , - Atuap is the molar heat of vaporization. Water Buils At 1000 (373 k) At normal Altitute Where pressure is 760 mm Hg.

P, 160 mm + ти , 213 к Р. 230 mm - 3 Тә : 2 ) + C ) , 1h (з», - дзя, зок ( 1. 932 48 45-xt ( - олод въ) -о-oo2681) in (3.30 value — 0.0026% 1 - 0 - 000 2437 І. 1933) О.o02 681 +0. oo o3437 = 0.0029 247 О. 0089a5 О-ооӘ495 е з 341.8% 034 | Тә : 541,9к (ов) 66.9°С. 59, option е - 69°