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Unformatted text preview: Recitation ( CIRCLE ONE TA and ONE TIME ): Christian Steve Brendan 6:30 7:30 1/13/11 (10 minutes allowed) 2 2. Consider a monatomic ideal gas stored in an insulated (but flexible) container. Initially, the temperature is 25 o C and the volume is 0.1 L. If the gas is then expanded to 1 L against a constant external pressure: (a) the sign of w for the gas will be: positive negative zero ( circle one , 2 pts ) (b) the sign of ∆ E for the gas will be: ( circle one item below , 1 pt ) positive negative zero cannot determine from given information ( Remember: ∆ E = q + w ) (c) Circle below the formula used to calculate w for this gas expansion. w = -P ext Δ V w = -nR T ln(V f / V i ) (1 pt)...
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- Fall '09
- Chemistry, Sodium hydroxide