SOL-1 - 760 atm 1 Torr 86 . 803 Pa 10 072 . 1 Torr 1 Pa 32...

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Homework 1 Solutions 1.1 Step 1: Setup variables, check units, and convert as necessary. Step 2: Use the combined gas equation for a perfect gas since there is constant moles and temperature. Solve for p 2 . kPa 1664 dm 25 . 0 dm 4 kPa 104 : 2 Step dm 25 . 0 cm 1000 dm 1 cm 250 ?; ; dm 4 ; kPa 104 : 1 Step 3 3 2 2 1 1 2 2 2 1 1 3 3 3 3 2 2 3 1 1 = = = = = = = = = p V V p p V p V p V p V p 1.2 Step 1: Setup variables, check units, and convert as necessary. Step 2: Use perfect gas equation to find number n of moles. Step 3: Use Avogadro's constant N A to find number of molecules. 22 23 10 85 . 9 mol 1636 . 0 mol 1 10 02214 . 6 molecules of number : 3 Step mol 1636 . 0 K 298 mol K atm L 08206 . 0 L 2 atm 2 ; : 2 Step mol K atm L 08206 . 0 ; K 298 K 273 C 25 ; atm 2 ; L 2 : 1 Step × = × = = = = = = + = = = n RT pV n R T p V o
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1.3 Step 1: Setup variables, check units, and convert as necessary. Step 2: Use combined gas equation for a pefect gas to find the initial pressure. Step 3: Convert answer to various units of pressure. psi 54 . 15 Torr 715 . 51 psi 1 Torr 86 . 803 atm 058 . 1 Torr
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Unformatted text preview: 760 atm 1 Torr 86 . 803 Pa 10 072 . 1 Torr 1 Pa 32 . 133 Torr 86 . 803 Bar 072 . 1 Torr 075 . 750 Bar 1 Torr 86 . 803 : 3 Step Torr 86 . 803 L 94 . 3 L 14 . 2 Torr 10 48 . 1 : 2 Step Torr 10 48 . 1 ; L 14 . 2 ?; ; L 94 . 3 L 8 . 1 L 14 . 2 : 1 Step 5 3 1 1 2 2 1 2 2 1 1 3 2 2 1 1 = = × = = = × = = → = × = = = = + = p V V p p V p V p p V p V 1.4 Step 1: Setup variables, check units, and convert as necessary. Step 2: Use combined gas equation for a pefect gas equation to find the final temperature. C 6 . 180 C 273 K 4 . 92 K 4 . 92 K 308 mL 500 mL 150 : 2 Step mL 150 ?; ; mL 500 ; K 308 K 273 C 35 : 1 Step 2 2 1 1 2 2 2 2 1 1 2 2 1 1 o o o − = − = = = = → = = = = = + = θ T T V V T T V T V V T V T...
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This note was uploaded on 10/10/2009 for the course CHM 341 taught by Professor Richert during the Spring '08 term at ASU.

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SOL-1 - 760 atm 1 Torr 86 . 803 Pa 10 072 . 1 Torr 1 Pa 32...

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