Solutions to Practice Problems Week 2
many mg are in a 5.0 grain aspirin tablet? (1.00 grain = 64.8 mg)
- Convert 6.7 x 1015 um3 into m3.
6.7 x 1015 um3 * (10-6 m / um)3 = 0.0067 m3
many centimeters are in 6.15 feet?
many grams in 0.850 tons? (2000 lb = 1 ton (exact); 1 lb = 453.59 grams)
- The price
of gasoline in France
is 5.91 French francs/liter. What is the cost in
$/gal.? ($1 = 5.25 French francs; 1.056688209 qt = 1.00 liters)
is the volume in pints of 2.75 lb of gold? (density of gold: 19.3 g/cm3)
density of mercury is 13.546 g/cm3. What is the density of
mercury in lb/gal.?
- In a
normal person, the level of blood sugar is 85 mg/100.0 mL
(milligrams per deciliter). If the average body contains about 11 pints of
blood, how many pounds of blood sugar are present in the blood?
pediatric dosage of a certain antibiotic is 32 mg/kg of body weight per
day. How much antibiotic, in milligrams per day, should be administered to
a child who weighs 38 lb?
many grams of Al can be heated from 25.0°C to 125°C by 975 calories?
(specific heat of Al: 0.221 )
- It was
found that 60.9 calories of heat must be absorbed to raise the temperature
of a 50.5 g sample of an unknown metal from 20.0°C to 31.4°C. What is the
specific heat capacity of the metal?