Lab Report 1: Techniques and Measurements

Lab Report 1: Techniques and Measurements

  • Submitted By: bekayy
  • Date Submitted: 04/07/2013 6:16 PM
  • Category: Science
  • Words: 1168
  • Page: 5
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LAB REPORT 1 – LABORATORY TECHNIQUES AND MEASUREMENTS
Brittany Hilbun
Online Chem

No credit will be given for this lab report if the Data section is not completely filled out. (I’m not sure exactly what is meant by “data section….?”)

OBJECTIVES
1. Become familiar with several important laboratory techniques
2. Gain proficiency with some of the common measuring devices used in a chemistry laboratory
3. Determine the volume, mass, length, temperature, and density of objects and liquids

PROCEDURE

Please complete the entire experiment as instructed in the lab manual except for the modifications noted below. Fill out the report below, insert your digital photographs into it, and submit it me electronically through the Blackboard website to the email address acarrawa@mcc.cc.ms.us.

DATA AND OBSERVATIONS

Length (3 points) – No credit if photograph is not included.

Data Table 1
Object Measured | Length (cm) | Length (mm) |
CD or DVD | 12 | 120 |
Key | 5.2 | 52 |
Spoon | 15.5 | 155 |
Fork | 17.5 | 175 |

Temperature (2 points)

NOTE: Omit the Fahrenheit calculations.
Data Table 2 Temperature Measurements
Water | Temperature (C) | Temperature (K) |
Hot from tap | 50 | 323.15 |
Boiling | 105 | 378.15 |
Boiling for 5 minutes | 105 | 378.15 |
Cold from tap | 19 | 292.15 |
Ice water – 1 minute | 7 | 280.15 |
Ice water – 5 minutes | 3 | 276.15 |

Mass (3 points) – No credit if photograph is not included.

( I went ahead and did them all for more practice)

Data Table 3 Mass Measurements
Object | Estimated Mass (g) | Actual Mass (g) | Actual Mass (kg) |
Pen or pencil | 4.2 | 4.8 | 0.0048 |
Key | 8.1 | 7.6 | 0.0076 |
1 Quarter | 5.2 | 5.7 | 0.0057 |
3 Pennies | 6.8 | 7.5 | 0.0075 |
2 Quarters 3 dimes | 15.8 | 18.1 | 0.0181 |
4 dimes 5 pennies | 22.6 | 24.8 | 0.0248 |
3 quarters, 1 dime, 5 pennies | 29.3 | 34.9 | 0.0349 |
Key, 1 quarter, 5 pennies | 28.5 | 25.7 | 0.0257 |

Volume and...

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