Chem Semester 1 Exam Review

How do you measure the volume using a graduated cylinder?

• Measurements must be taken from the top of the meniscus and at eye level

• Measurements must be taken by looking from above the cylinder

• Measurements must be taken by looking from below the cylinder

• Measurements must be taken from the bottom of the meniscus and at eye level

In a measurement, significant figure consist of the digits known ___________.

• only

• plus one estimated digit

• plus two estimated digits

How many significant digits would you report in this measurement?

• 1

• 2

• 3

• 4

What is the volume shown in this graduated cyclinder?

• 4.30 mL

• 4.35 mL

• 4.4 mL

• 4.40 mL

Jack has a rock. The rock has a mass of 14g and a volume of 2cm³. What is the density of the rock?

• 7 mL
• 7 g/cm³
• 28 g/cm³
• 1/7 g/cm³

Solve & Round to Correct Sig Figs.
103.45 + 2 = 

• 105
• 104
• 105.45
• 106

What is the correct answer for this problem according to Sig Fig rules:

3.5 cm x 4.21cm =

• 14.7 cm

• 14.7 cm²

• 15 cm

• 15 cm²

This bullseye demonstrates...

• High Accuracy & High Precision
• High Accuracy & Low Precision
• Low Accuracy & High Precision
• Low Accuracy & Low Precision

This bullseye demonstrates...

• High Accuracy & High Precision

• High Accuracy & Low Precision

• Low Accuracy & High Precision

• Low Accuracy & Low Precision

A set of data are all close in value to each other, but they are not close to the actual value. This set of data can be described as _________________.

• precise

• accurate