Measurements

What is the measurement system most commonly used in the United States?

• Centimeter ruler

• Metric System

• English system of measurement

• Milliliters

What is the metric system?

• Decimal system where basic units are used with prefixes

• Decimal system where non-basic units are used with prefixes

• Decimal system where basic unites are used without prefixe

• Decimal system where non-basic units are used without prefixes

What will you learn in this lab?

• How to use chemistry lab equipment to measure

• How to use an analytical balance

• How to convert mL to cc's

• All the above

Most of the credit for this experiment will be based on (a)  

When a measurement is taken with an analog device (ruler), the measurements are recorded to

What is a meniscus?

• A part of your knee

• A disruptive student

• A concave surface

• A convex surface

When is the stopcock open?

• When it is parallel to the length

• When it is perpendicular to the length

• The stopcock doesn't move

• When the tip is attached to the stopcock

________ _______ are often used in chemistry labs to heat solids and solutions

(a)  

How do you adjust the flame on a Bunsen burner?

• Turn off the gas from the gas jet

• Adjust the gas needle valve

• You can't adjust the flame

• cover the holes on the base of the Bunsen burner

How many colors does the flame have on a Bunsen burner?

• 3

• 2

• 1

• 4