Organic Chem.

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Author:
Ankoku-Bara
ID:
281872
Filename:
Organic Chem.
Updated:
2014-09-11 11:13:43
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Organic Chem
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Description:
Chemistry 11
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  1. 1 Ton = ? lb
    2000 lb
  2. 1 Cup = ? fl oz
    8 fl Oz
  3. Dimensional Analysis
    Using the graph/chart to set up the problem
  4. 1 cup = ? Tablespoons
    16 T (tablespoons)
  5. Measured
    Using instruments to measure
  6. Exact Number
    No instruments used only counting and by definition
  7. 1 T = ? t teaspoon
    3 t (teaspoon)
  8. Leading zero
    • Zero Before
    • Nonzero numbers = Not SIG
    • 0.40907 cm = 5 SF
    • 0.00078 dm = 2 SF
  9. 1 lb = ? Oz
    16 Oz
  10. Trailing Zero
    • After nonzero number with decimal = SIG without decimal = not SIG
    • 8800 lb = 2 SF
    • 8800.050 = 7 SF
  11. English measurement converstions
    • Mass - (Equality) 454g = 1 Lb
    • Volume - (E) 946 mL = 1 qt
    • Length - (E) 2.42 cm = 1 in
  12. Centi
    1g = 100cg
  13. 1 gal = ? qt
    4 qt
  14. Deci
    1g = 10dg
  15. 1 yrd = ? ft
    3 ft
  16. 1 pt = ? cups
    2 cups
  17. Conversions Factors
    1g =100cg  1g/100cg = 100cg/1g
  18. 1 ft = ? in
    12 in
  19. Micro
    1g = 1,000,000 ug
  20. Kilo
    1 Kg = 1000g
  21. Chemistry & Chemicals
    Can make Chemicals "synthesized" in the lab. Composed of elements same composition no matter what.
  22. 1 qt = ? pt
    2 pt
  23. Volume: ? mL = 1 qt
    946mL
  24. Metric System - Base Units
    • Meters (m) [Length]
    • Liters (L) [Volume]
    • Grams (g) [Mass]
    • Celsius *C [Temperature]
    • Seconds (s) [Time]
  25. Mass: ? g = 1 Pound (lb)
    454 g
  26. Mili
    1g = 1000 mg
  27. 3 ft = ? in
    36 in
  28. 1 mi = ? ft
    5280 ft
  29. Pure Substance
    Matter with a fixed composition (does not change)
  30. Two types of Pure Substances
    • Element - C, N, O, Ca, Fe, K, etc.
    • Compound - 2 or more elements
  31. Mixture
    2 or more substances with a variable composition
  32. Two types of mixtures
    • Homogeneous - uniform appearance. Salt water, gasoline.
    • Heterogeneous - contains layers. Italian salad dressing, water + sand
  33. Physical Properties
    Characteristic that identify matter color, density, freezing point, and specific heat.
  34. Physical change
    Appearance changes, but not the composition. Ice, water, steam, aqueous
  35. Chemical Properties
    Ability to change into a new substance. Its flammability, explosive, tarnish (turns into a black substance), corrosive (rust)
  36. Chemical Changes
    Compounds combine to make a new substances.... chemical reaction
  37. Energy (6 types)
    • L - Light energy
    • N - Nuclear energy
    • C - Chemical energy
    • H - Heat energy
    • E - Electrical energy
    • M - Mechanical energy
  38. Potential engery
    • Position - The higher more energy
    • Stored - in the chemical composition of the substance
  39. Kinetic Energy
    • Energy from movement. Explosive, cars, temperature.
    • More KE, more movement.
  40. 1 cal = ? J
    4.184 J
  41. *C -> *F
    TF = TC (1.8) + 32
  42. *F -> *C
    TC = TF - 32/ (1.8)
  43. K -> *C
    T*C = TK + 273
  44. *C -> K
    TK = T*C - 273
  45. Specific heat
    • AMT of heat needed to raise the temp of 1g substance by 1*
    • Lower the SH the easily the change in temperature occurs.
  46. Equation for SH
    • SH = cal or J/ g (*C)
    • SH = Heat/ mass (^T)
  47. SH, Finding the Heat
    Heat = SH (mass) ^T
  48. Energy values from food: Carbohydrates, Proteins, Fats
    • Carbohydrates = 1 g carb/4 kcal = 1 g carb/4 cal
    • Proteins = 1 g Pro/4 kcal = 1 g pro/4 cal
    • Fat = 1 g fat/ 9 kcal = 1 g fat/ 9 cal
  49. Changes in State, physical state
    Change is due to loss/gain of energy

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