test 2-2 - Name: _ Student #: _ CHEMISTRY 1E03 Instructors:...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Name: __________________ Student #: _________________ Version 1 Page 1 CHEMISTRY 1E03 9 NOVEMBER 2007 Instructors: J. Barbier, R. Dumont MCMASTER UNIVERSITY - TERM TEST # 2 - DURATION: 120 minutes This test contains 16 pages and 30 multiple-choice questions. The last four pages include two extra blank pages for rough work, a page with some useful data and equations, and a Periodic Table. You may tear off the last four pages. You are responsible for ensuring that your copy of the question paper is complete . Bring any discrepancy to the attention of your invigilator. Questions 1-25 are each worth 2 marks, questions 26–30 are each worth 3 marks. There is no penalty for incorrect answers. These question sheets must be returned with your answer sheet. However, no work written on the question sheets will be marked . You must enter your full name and student number on this question sheet, as well as on the answer sheet. Your invigilator will be checking your student card for identification. Make sure to enter the correct version number of your test (shown at the bottom of each page) in the correct column on the answer sheet (see instructions on page 2). Answer all questions on the answer sheet, in pencil . Instructions for entering multiple-choice answers are given on page 2. Select one answer for each question from the choices (A) through (E). Only Casio FX 991 electronic calculators may be used; but they must NOT be transferred between students. Use of periodic tables or any aids other than those provided, is not allowed. Note: Academic dishonesty may include, among other actions, communication of any kind (verbal, visual, etc.) between students, sharing of materials between students, copying or looking at other students’ work.
Background image of page 1

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

View Full DocumentRight Arrow Icon
Name: __________________ Student #: _________________ Version 1 Page 2 QUESTIONS 1–25 ARE WORTH 2 MARKS EACH. 1. Ethanol, C 2 H 5 OH, is being promoted as a clean fuel and is used as an additive in many gasoline mixtures. Calculate the H rxn for the combustion of ethanol. H f [C 2 H 5 OH( l )] = -277.7 kJ/mol; H f [CO 2 ( g )] = -393.5 kJ/mol; H f [H 2 O( g )] = -241.8 kJ/mol A) 357.6 kJ B) -357.6 kJ C) 1234.7 kJ D) -751.1 kJ E) -1234.7 kJ 2. How many mL of concentrated nitric acid (HNO 3 , 16.0 M ) should be diluted with water in order to make 2.00 L of 2.00 M solution? A)
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 02/18/2010 for the course ENGINEERIN 1E03 taught by Professor Okon during the Spring '10 term at McMaster University.

Page1 / 11

test 2-2 - Name: _ Student #: _ CHEMISTRY 1E03 Instructors:...

This preview shows document pages 1 - 3. Sign up to view the full document.

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