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Chemistry Final Review

Chemistry Final Review. Gas Laws Assignment Chapter 14. Take the data and graph the three Gas Laws. Can convert temperature data to Kelvin. K = 273.15 + 0 C (kelvin) (celsius) Interpret the graph by answering the questions.

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Chemistry Final Review

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  1. Chemistry Final Review

  2. Gas Laws AssignmentChapter 14 Take the data and graph the three Gas Laws. Can convert temperature data to Kelvin. K = 273.15 + 0C (kelvin) (celsius) Interpret the graph by answering the questions. Use the Gas Laws graphs to answer questions on the final. Due on Monday (5/14)

  3. Gas Law Assignment • Volume vs. Pressure

  4. Boyle’s Law marinasse-portafolio.blogspot.com

  5. Gas Law Assignment 2. Temperature vs. Volume

  6. Charles’s Law engineerstudent.co.uk

  7. Temperature vs. Pressure 3. Temperature vs. Pressure

  8. Gay-Lussac’s Law chemistryexplained.com

  9. Chemistry Introduction:Measurement and Scientific Method

  10. Measurement and Scientific Method:Precision vs. Accuracy Label each picture as precise, accurate, both, or neither.

  11. Matter and Change

  12. Phase Changes and Kinetic Energy

  13. Atomic Structure

  14. Electromagnetic Spectrum

  15. Bohr’s Model of the Atom The electron cloud consists of energy levels. Electrons reside and move around in these energy levels. Electrons can move to other energy levels when absorb photons.

  16. Electron Movement 1. 2. 3. • Ground state of H Atom (lowest energy level for e-) • A photon (light particle) is absorbed by H’s electron. • Electron becomes excited and jumps to higher energy level. • 3. E- returns to ground state and emits (releases) the photon. • Emitted photon’s wavelength can be detected by scientists. • (Infrared region at room temp; Visble region at higher temps.)

  17. Electron Properties and Arrangement

  18. Electron Properties and Arrangement

  19. Electron Properties and Arrangement

  20. Periodic Table

  21. Periodic Table:Atomic Radius

  22. Periodic Table:Ionization Energy

  23. Chemical Bonding

  24. Chemical Reactions

  25. Types of Chemical Reactions 1. Synthesis (A+ B ----> AB) 2. Decomposition (AB------> A + B) 3. Single Replacement (A+ BC ---> B + AC) 4. Double Replacement (AB + CD ---> CB + AD) 5. Combustion (CxHx + O2 ----> CO2 + H2O) 6. Neutralization (Acid + Base--> H2O + Salt)

  26. Chemical Reaction Energy Diagram

  27. Chemical Reaction Energy Diagram

  28. Chemical Reactions Rates • Reaction Rates = how fast the reactants chemically change into the products. • Collision Theory:Reactant particles will form products when reactants collide: • at the right position. • and exchange the right amount of kinetic energy.

  29. Nuclear Chemistry

  30. Nuclear Chemistry:Radioactive Decay

  31. Chemical Quantities

  32. Stoichiometry

  33. Exothermic vs. Endothermic

  34. Chemistry Final What does Chemistry study?

  35. Scientific Notation Convert to scientific notation: 2,350,921

  36. Scientific Notation • Convert to scientific notation . 0.0000258

  37. Metric Conversion Kilo-, Hecto-, Deka-, Base, Deci- Centi-, Milli- • 5 kg = ________cg

  38. Metric Conversion Kilo-, Hecto-, Deka-, Base, Deci- Centi-, Milli- • 3.5cL= ______ L

  39. Metric and English Conversions How many seconds is in 10.26hrs?

  40. Metric and English Conversions • Sara ran 2 miles in 16 minutes. How far did she run in kilometers? (1mi= 1600m)

  41. Density What is the equation for density?

  42. Density • A solution has a mass of 1200 g and a density of 1.2 g/mL. What is the volume?

  43. Density • What is the density of a 50mL sample of water that has a mass of 49.6 g?

  44. Scientific Method • What are the 5 main steps to the scientific method?

  45. Scientific Method What is the difference between qualitative and quantitative results?

  46. Scientific Method • What is the difference between accuracy and precision?

  47. Scientific Method • Determine which of the following sets of data is most precise. • 2.5, 6.0, 4.0 • 2.5, 3.0, 2.0 • 2.5, 2.4, 2.3

  48. Scientific Method • A student wanted to know how temperature affected the rate of a chemical reaction. She observed and recorded the time it took for a chemical reaction to occur at three different temperatures. What is the independent variable? What is the dependent variable?

  49. Significant Figures • How many significant figures? 0.01020g ________

  50. Significant Figures • How many signficant figures? • 2.104_______

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