Download CH 101 Study Guide Test 2

CH 101 Study Guide Test 2
Chapter 6:
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Identify Avogadro’s number and convert from moles to atoms, and from atoms to moles
Convert from grams to moles and moles to grams
calculate formula weight
What is molar mass (same as formula weight) and identify its units (g/mol)
Calculate the mass percent of an element in a compound
Chapter 7
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Identify indicators of a chemical change
Know the difference between a physical and chemical change (and examples)
Identify compounds that are soluble or insoluble
What happens when an ionic compound is added to water
Balance a chemical equation
Identify spectator ions
Identify specific types of reactions (synthesis, decomposition, single or double
displacement, combustion)
Chapter 8
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What is stoichiometry and why is it useful
Convert moles of one compound to moles of another
Identify conversion factors
Convert grams of one compound to grams of another using a balanced equation
Know what the limiting reactant , actual yield and theoretical yield are
Know the formula for percent yield
Calculate the heat generated in a reaction (using the coefficients from the equation)
Chapter 9
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What is wavelength and frequency
What happens when an atom absorbs energy
How many electrons can each shell hold (s=2,p=6,d=10,f=14)
Write the electron configuration for an element
Know the periodic trend of the atomic radius
Identify the trend in ionization energy