Exam 5 Review Topics Ch.1-5&9 FA24 PDF

Exam 5 Information The following objectives are recommended for review to prepare for Exam 5. You may also see a limited number of questions from memory lists and concepts noted in the Chapter Keys. The exam will be about 50 questions with the approximate distribution shown below. You will have 2 ho...

Exam 5 Information The following objectives are recommended for review to prepare for Exam 5. You may also see a limited number of questions from memory lists and concepts noted in the Chapter Keys. The exam will be about 50 questions with the approximate distribution shown below. You will have 2 hours to complete the exam. You will need pencils and calculator. Exam 1 (ch. 1&2) Learning Objectives to review 1.1-4 Differentiate among hypotheses, theories, and laws 1.2-1 Describe the basic properties of each physical state of matter: solid, liquid, and gas 1.2-4 Classify matter as an element, compound, homogeneous mixture, or heterogeneous mixture with regard to its physical state and composition 1.4-3 Describe the properties and units of length, mass, volume, density, temperature, and time 1.4-4 Perform basic unit calculations and conversions in the metric and other unit systems 1.5-3 Correctly represent uncertainty in quantities using significant figures 1.5-4 Apply proper rounding rules to computed quantities 1.6-2 Use dimensional analysis to carry out unit conversions for a given property and computations involving two or more properties 2.1-1 State the postulates of Dalton’s atomic theory 2.2-2 Summarize and interpret the results of the experiments of Thomson, Millikan, and Rutherford 2.3-1 Write and interpret symbols that depict the atomic number, mass number, and charge of an atom or ion 2.4-1 Symbolize the composition of molecules using molecular formulas and empirical formulas 2.4-2 Represent the bonding arrangement of atoms within molecules using structural formulas 2.5-1 State the periodic law and explain the organization of elements in the periodic table 2.5-2 Predict the general properties of elements based on their location within the periodic table 2.5-3 Identify metals, nonmetals, and metalloids by their properties and/or location on the periodic table 2.6-2 Predict the type of compound formed from elements based on their location within the periodic table 2.6-3 Determine formulas for simple ionic compounds 2.7-1 Derive names for common types of inorganic compounds using a systematic approach Exam 2 (ch. 3&4) Learning Objectives to review 3.1-1 Calculate formula masses for covalent and ionic compounds 3.1-2 Define the amount unit mole and the related quantity Avogadro’s number. Explain the relation between mass, moles, and numbers of atoms or molecules, and perform calculations deriving these quantities from one another 3.2-1 Compute the percent composition of a compound. 3.2-2 Determine the empirical formula of a compound 3.3-2 Calculate solution concentrations using molarity 3.3-3 Perform dilution calculations using the dilution equation. 4.1-1 Derive chemical equations from narrative descriptions of chemical reactions. 4.1-2 Write and balance chemical equations in molecular, total ionic, and net ionic formats. 4.2-1 Define three common types of chemical reactions (precipitation, acid-base, and oxidation-reduction) 4.2-2 Classify reactions as precipitation, acid-base, or oxidation-reduction from descriptions or chemical equations. 4.2-3 Identify common acids and bases 4.2-4 Predict the solubility of common inorganic compounds by using solubility rules. 4.2-5 Compute the oxidation states for elements in compounds; identify oxidizing and reducing agents 4.3-2 Use balanced chemical equations to derive stoichiometric factors relating amounts of reactants and products 4.3-3 Perform stoichiometric calculations involving mass, moles, and solution molarity. 4.4-2 Derive the theoretical yield for a reaction under specified conditions. 4.4-3 Calculate the percent yield for a reaction. 4.5-2 Perform stoichiometric calculations using typical titration and gravimetric data. Exam 3 (ch. 9&5) Learning Objectives to review 9.1-1. Define the property of pressure 9.1-2 Define and convert among the units of pressure measurements 9.1-3 Describe the operation of common tools for measuring gas pressure 9.2-1. Identify the mathematical relationships between the various properties of gases by name and formula (Amontons’s Law, Boyle’s Law, Charles’s Law, Avogadro’s Law, Combined Gas Law) 9.1-2. Use the ideal gas law, and related gas laws, to compute the values of various gas properties under specified conditions 9.3-1. Use the ideal gas law to compute gas densities and molar masses 9.3-2 Perform stoichiometric calculations involving gaseous substances 9.3-3. State Dalton’s law of partial pressures and use it in calculations involving gaseous mixtures 9.4-2. State Graham’s law and use it to compute relevant gas properties 9.5 1. State the postulates of the kinetic-molecular theory 9.6- 1. Describe the physical factors that lead to deviations from ideal gas behavior 5.1- 1. Define energy, distinguish types of energy, and describe the nature of energy changes that accompany chemical and physical changes 5.1- 4. Perform calculations involving heat, specific heat, and temperature change 5.2-2. Calculate and interpret heat and related properties using typical calorimetry data 5.3- 2. Define enthalpy and explain its classification as a state function 5.3-3. Write and balance thermochemical equations 5.3-4. Calculate enthalpy changes for various chemical reactions 5.3-5 Explain Hess’s law and use it to compute reaction enthalpies Chapter 6-8 topic will be released on Monday, November 25.