chem 120exam_mar2010 - Chemistry 120 In-Term Exam #4 March...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Chemistry 120 In-Term Exam #4 March 2010 Name:_______________________ I.D.#__________________ ************************************************************************************* Answer all FIVE of the questions in the space provided. All questions are of equal value. Useful data: 1 standard atmosphere = 760.0 mm Hg = 101.325 kPa. Avogadro's Number = 6.022 × 10 23 Universal gas constant R = 0.08206 L atm/(K mol) Standard Molar Volume = 22.414 L = 62.37 mm Hg L/(K mol) = 8.3144 L kPa/(K mol) Ideal Gas Law: PV = n RT = 8.3144 J /(K mol) Osmotic Pressure: π V = i n RT Henderson-Hasselbalch: For a quadratic equation of the form ax 2 + bx + c = 0, p H = p K a + log [ ] [ ] acid conjugate base conjugate Atomic weights: H = 1.01; C = 12.01; N = 14.01; O = 16.00; Na = 22.99; P = 30.97; Cl = 35.45 ******************************************************************************************** 1. For the reaction PCl 5 (g) PCl 3 (g) + Cl 2 (g) at 600. K, the equilibrium constant
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 2

chem 120exam_mar2010 - Chemistry 120 In-Term Exam #4 March...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online