Homework: A3 Save Score: 0 of 1 pt 7 of 18 (18 complete) HW Score: 74.38%, 13.39

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Homework: A3 Save Score: 0 of 1 pt 7 of 18 (18 complete) HW Score: 74.38%, 13.39 of 18 pts ICA 8-40 (algorithmic) Question Help Determine the specific gravity of chlorine (Cl2) gas at 28 degrees Celsius I"C] and a pressure of 0.5 atmospheres [atm. Assume chlorine is an ideal gas and obeys the ideal gas law. The molecular weight of chlorine is 70 grams per mole [g/mol Click the icon to view the value and units of gas constant R f r Ideal Gas Law. Click the icon to view conversion formulas for temperature scales. Click the icon to view the conversion table for pressure. Click the icon to view the density of water. The specific gravity is(Round your answer to three significant digits.) Enter your answer in the answer box and then click Check Answer. All parts showing Clear All Check Answer 11:38 AM Desktop 9/29/2017 21

Explanation / Answer

Using ideal gas equation, PV = nRT, specific gravity is given by

n/V = P/RT, where n = number of moles, V = volume, P = pressure

R = gas constant, T = absolute temperature = 28 + 273 = 301K

Hence specific gravity = 0.5/0.0821 x 301 = 0.02 moles/ltr. Ans

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