apch01_studyqxns - South Pasadena AP Chemistry Name _...

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South Pasadena AP Chemistry Name ____________________________________ Period ___ Date ___/___/___ 1 Matter and Measurement STUDY QUESTIONS and PROBLEMS 1. Identify the following changes as physical or chemical changes: a. Baking soda reacts with vinegar to produce carbon dioxide. b. The copper sheath on the Statue of Liberty turns green. c. Addition of salt melts ice on the highway. d. Steam condenses on the windowpane. e. Epoxy resin cures and hardens. f. Sugar dissolves in a cup of coffee. g. Natural gas burns in a furnace. 2. a. Calculate the density of lead if a 10 kg block has a volume of 885 cm 3 . b. What is the volume of a 100 g bar of aluminum if its density is 2.70 g·cm -3 ? c. Calculate the mass of 100 cm 3 of uranium (density 19.07 g·cm ). 4. Convert: c. 25 ° C to K 6. Which of the following physical properties are extensive? a. heat of fusion d. viscosity b. melting point e. conductivity c. color f. density 7. Write the names of the following elements: a. N b. Ca c. K d. P e. V 8. Write the symbols for the following elements: a. silicon b. chlorine c. iron d. sodium e. silver f.
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apch01_studyqxns - South Pasadena AP Chemistry Name _...

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