CH 202 Exam I Information
When: Thursday January 27th, 6:00-7:20 pm
Where:
Last Name: A-J Gilbert 124
Last Name K-Z: Gilbert 224
What to bring to the Exam: Two #2 pencils, an eraser, a non-programmable calculator, and your student ID.
What will be on the Exam:
-The exam consists of 20 questions worth 5 points each. A periodic table and all equations and constants will be provided on the front of the Exam.
-The exam will cover material from
a) Class lectures from 1/3-1/25
b) Textbook sections 8.1-8.7, 9.1-9.5, 11.1-11.7, 12.1-12.3 and suggested textbook problems.
c) Chemskillbuilder sections:8.1-8.6, 14.1-14.6, 16.1-16.5, 17.1-17.2******
-Exam Objectives: For a successful exam performance, you should be able to
1) Understand the principles of heat flow between systems and surroundings.
2) Understand how calorimeters work and do calculations involving calorimetry.
3) Understand what specific heats and heat capacities are, and know how to do calculations involving these values.
4) Understand the terms enthalpy, endothermic and exothermic and how that is reflected in the sign of the H value for a reaction.
5) Be able to use Hess’s Law to combine reaction steps to obtain a H for a reaction.
6) Be able to use heats of formation of reactants and products(Hf°) to obtain the H of a reaction.
7) Be able to use bond enthalpies to obtain the H of a reaction.
8) Understand the principles of liquid-vapor equilibrium, vapor pressure and boiling point.
9) Be able to read a phase diagram.
10) Know the different intermolecular (IM) forces, and how to identify which are present within a molecule.
11) Be able to predict relative physical properties ( such as bp, mp and solubility) of molecules based on their IM forces.
12) Be familiar with the different types of solids and their features.
13) Be familiar with the three cubic crystal structures discussed in class- simple cubic, face-centered cubic, and body centered cubic.
14) Be familiar with rate law expressions and what they represent.
15) Understand what the order of a reactant represents, and how the overall order of a reaction is expressed.
16) Given reaction data, know how to calculate rate constants and reaction orders.
17) For a first order reaction, know how to use the integrated rate law (equation will be given).
18) Understand the term half life, and how to calculate a first order half life.
19) Understand the basic principles of collision theory, the energy of activation, and the role of a catalyst.
20) Be able to use rate information for elementary steps of a reaction to determine the rate law of the reaction.
21) Understand the principles of equilibrium.
22) Understand the significance of the equilibrium constant and what the value represents.
*****CSB Assignment: Due on Wednesday, January 26th at 5pm.
Please complete the following CSB sections:
8.1-8.6
14.1-14.6
16.1-16.5 ( 16.6 is extra credit and will not be covered this term)
17.1-17.2 ( 17.3-17.5 are optional, and will be covered after the exam)