Lab+techniques+Lab

Laboratory Techniques Assignment Sheet Section 1: Safety Information

1. Hydrochorlic acid ,hci 2. 2.5 Liters 3. Gloves, Goggles, and Apron. 4. 15 Minutes 5. Yes 6. No 7. In a Warm Moist Area. 8. Cant Be Exposed, Stored in a moist area, and Very Toxic 9. Yes

Section 2: Making Measurements

1. long: 12 in, wide: 9 in

2.really small

3.1 mm 4. It Could But you'd have to be careful. It would be easier to use a yard stick.

Section 3: Measuring Temperature

1. 2.5

2. 37.9

3. 8,2

4. 86.1

5. -10.5

6. 34.9

Section 4: Measuring Liquid Volumes

1.68 2. 32 3.80.3 4. 48 5. 63.5 6. 64 7. 30.5 8. 84.5 9. 49.5 10. 3.1 11. 107 12. 6 13. 50 mL graduated Cylinder=10-100 100 mL graduated cylinder= 10-100 150 mL Beaker=50-300 400 mL Beaker=0-1000 600 mL Beaker=0-1000 14. 50 mL Graduated cylinder=1 100 mL graduated cylinder=1 150 mL beaker=25 400 mL beaker=100 600 mL beaker=100 15.Graduated Cylinder 16.done 17.done 18.done

Section 5: 60 mL+3 Marbles=80 mL 60 mL+3 Magnets=60 mL 60 mL+2 lid things=73 mL

section 6: 1)47.52 2)129.07 3)6.86 4.Triple Beam: Arm 1:0-100 Arm 2:0-500 Arm 3:0-10 5. triple beam=1 6.Triple Beam 7. triple beam=5.4 8. Beaker Only=147.8 Beaker&Water=372.4 Water only=124.6

Section 7: 0=strong acid 4=weak acid 7=neutral 10=weak base 14=strong base

Sectio 8: 1. bottom of flame 2.no because it will still be hot