1. Intro to General Chemistry

Dimensional Analysis

Multiple Choice
The Earth formed 4.57 × 10^9 years ago. What is this time in seconds?
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Multiple Choice
Which of the following best describes how dimensional analysis is used to convert units of measure?
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Multiple Choice
Using dimensional analysis, how many liters is 0.25 mL measured on a 1 mL syringe?
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Multiple Choice
The volume of a container is found to be 38.5 in^3. What is the volume in units of cm^3? (1 in = 2.54 cm)
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Multiple Choice
Which of the following statements is correct based on dimensional analysis?
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Multiple Choice
When using dimensional analysis to convert from a smaller unit to a larger unit, which mathematical operation is typically performed?
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Multiple Choice
A large scale ranching farm possesses 22.5 million acres with 5.0 x 10^-5% reserved for housing. Determine how many square kilometers this area for dwelling represents. (1 km = 0.6214 miles) (1 mile = 5280 ft) (1 acre = 43,560 ft²)
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Multiple Choice
If the distance between Washington, D.C. and New York City is 224.9 miles, determine the distance in centimeters.
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Multiple Choice
Examine the following graph.
Which of the following is correct?
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Open Question
An infant acetaminophen suspension contains 80 mg/0.80 mL suspension. The recommended dose is 15 mg/kg body weight.
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Open Question
Assuming the diameters of the nucleus and atom are 10−4 å and 1 - 5 å correspondingly, what fraction of the volume of the atom is taken up by the nucleus?
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Open Question
If an object has a density of 8.65 g/cm³, what is its density in units of kg/m³?
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Open Question
If a cyclist rides at an average of 18 miles per hour
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Open Question
An unknown substance has a density of 10.2 g/cm³, what is its density in kg/m³?
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Multiple Choice
Which of the following steps is essential for performing dimensional analysis?
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