Chemistry Warm-Ups # 1

Lab Safety List 5 important Safety Rules 1. 2. 3. 4. 5.

Lab Equipment 6. 7. Give the name and correct measurement with units for the 2 pieces of equipment shown

SI units Convert: 8) 5.61 km = ____________ m 9) 345 mg = ____________ cg 10) 0.211 L = ____________ mL

Dimensional Analysis 11) Convert: 10.0 Q = _______ Z Given: 2 Q = 3 B 2 Z = 5 D 1 D = 3 B

Sig figs How many significant figures: 12) 5.001 13) 200 14) 200. 15) 0.0091 16) 0.06090

Scientific Notation Convert to scientific notation 17. 36,000 = __________ 18. 0.0540 = __________ Convert to standard (regular) notation 19. 8.01 x 103 = ____________ 20. 2.98 x 10-2 = ____________

physical & chemical properties Fill in Blank with: [ describes ability to react ] or [ can be measured or observed ] 21. Physical property –__________ 22. Chemical property – __________ Identify: P or C 23. Freezing point of water is 0°C 24. Neon is inert (won’t react) 25. Na combines with Cl 26. Copper’s mass is 5 g

Intensive & Extensive Physical properties Identify physical properties: Extensive or Intensive E or I 27. Length 28. Boiling point 29. Density 30. Color 31. Volume

Physical & chemical Changes Identify P or C 32. Iron rusting 33. Water evaporating 34. Wood burning 35. Salt dissolving 36. Dew forming on grass