Podcast
Questions and Answers
Which of the following units is NOT a unit of speed?
Which of the following units is NOT a unit of speed?
- meters per second
- kilograms per second (correct)
- miles per hour
- feet per second
The elimination method can be used to convert units by canceling out common units in the numerator and denominator.
The elimination method can be used to convert units by canceling out common units in the numerator and denominator.
True (A)
What is the formula for converting feet per second (ft/s) to miles per hour (mi/hr)?
What is the formula for converting feet per second (ft/s) to miles per hour (mi/hr)?
1 mi/hr = 1.46667 ft/s
The elimination method is a ______ approach to unit conversions.
The elimination method is a ______ approach to unit conversions.
Match the following units with their corresponding measurements:
Match the following units with their corresponding measurements:
Flashcards
Conversions in Chemistry
Conversions in Chemistry
Changing units from one measurement to another, such as feet to miles.
Elimination Method
Elimination Method
A mathematical technique used to solve conversion problems by cancelling units.
Feet to Miles Conversion
Feet to Miles Conversion
There are 5280 feet in one mile, used to convert feet to miles.
Speed Conversion Example
Speed Conversion Example
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2398 ft/s to miles/hr
2398 ft/s to miles/hr
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Study Notes
Length Conversions
- 1 kilometer (km) = 1000 meters (m)
- 1 meter (m) = 1000 millimeters (mm)
- 1 foot (ft) = 12 inches (in)
- 1 yard (yd) = 3 feet (ft)
- 1 mile (mi) = 5280 feet (ft)
- 1 kilometer (km) = 0.621 mile (mi)
- 1 meter (m) = 39.4 inches (in)
- 1 centimeter (cm) = 10 millimeters (mm)
Volume Conversions
- 1 liter (L) = 1000 milliliters (mL)
- 1 deciliter (dL) = 100 milliliters (mL)
- 1 liter (L) = 1000 cubic centimeters (cm³)
- 1 milliliter (mL) = 1 cubic centimeter (cm³)
- 1 milliliter (mL) = 1 cubic centimeter (cc)
- 1 quart (qt) = 4 cups
- 1 quart (qt) = 2 pints (pt)
- 1 gallon (gal) = 4 quarts (qt)
- 1 pint (pt) = 473 milliliters (mL)
- 1 teaspoon (tsp) = 5 milliliters (mL)
- 1 tablespoon (tbsp) = 15 milliliters (mL)
Mass Conversions
- 1 kilogram (kg) = 1000 grams (g)
- 1 gram (g) = 1000 milligrams (mg)
- 1 milligram (mg) = 1000 micrograms (mcg)
- 1 pound (lb) = 16 ounces (oz)
- 1 kilogram (kg) = 2.20 pounds (lb)
- 1 gram (g) = 454 grams (g)
Time Conversions
- 1 hour (h) = 60 minutes (min)
- 1 minute (min) = 60 seconds (s)
Density
- Density = mass / volume
- Specific gravity (sp gr) = density of sample / density of water
Temperature Conversions
- Fahrenheit (⁰F) to Celsius (⁰C): TF = 1.8(Tc) + 32
- Celsius (⁰C) to Kelvin (K): TK = TC + 273
Conversion Example (2398 ft/s to miles/hr):
- 2398 ft/s x 60 s/min x 60 min/hr x 1 mi/ 5280 ft = 1635 miles/hr
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