General Chemistry - Midterm 1 2008

General Chemistry - Midterm 1 2008 - September 29, 2008 Dr....

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
September 29, 2008 Dr. Rashmi Venkateswaran CHM 1301 and CHM 1311 B GENERAL CHEMISTRY QUIZ 1 STUDENT NAME S T U D E N T I D . N o . DEMONSTRATOR’S NAME: LAB SECTION: 1 2 3 4 5 6 7 8 9 10 CONSTANTS R = 8.314 J/molK = 0.08206 L atm/molK 1 atm = 760 Torr = 101.325 kPa = 1.01325 x 10 5 Pa N A = 6.022 x 10 23 mol -1 There are 9 pages in this quiz including the cover page and the periodic table. Check and ensure you have answered each question before handing in the quiz. PLEASE use a pen!! Box, underline or highlight your FINAL answer. The quiz is out of 50 points CLEARLY explain your thinking… USE UNITS!
Background image of page 1

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

View Full DocumentRight Arrow Icon
A 34.8 mL sample of an unknown, water-insoluble gas was collected over water at 22.6 °C and a barometric pressure of 0.895 atm. When the gas was dried and chilled, it formed 114.6 mg of liquid. What was the molar mass of this substance? [Vapor pressure of water at 22.6 °C is 20. mmHg] (10) Suggest a possible identity for the unknown substance.
Background image of page 2
Calculate the mass , in grams, and the volume , in litres, of H 2 (g) (measured at 22.0 °C and 745 mmHg) required to react with 30.0 L CO(g) (measured at STP) in the reaction CO(g) + H 2 (g) C 3 H 8 (g) + H 2 O(l) (10)
Background image of page 3

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

View Full DocumentRight Arrow Icon
A container of volume 2.00 L is filled with an unknown gas to a pressure of
Background image of page 4
Image of page 5
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 01/16/2011 for the course CHM 1300 taught by Professor Venkataswaren during the Fall '08 term at University of Ottawa.

Page1 / 9

General Chemistry - Midterm 1 2008 - September 29, 2008 Dr....

This preview shows document pages 1 - 5. Sign up to view the full document.

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