Question 1
A 4.24 kg sample of bituminous coal contains 3.24 kg of carbon and 0.380 kg of ash. How many kg of ash are in 413 kg of this coal?
(Type your answer using the format 8.050e-3 for 8.050 × 10-3.)
Question 2
How many 12 ounce cans of Coke does it take to fill a swimming pool? The pool is 100. m long, 55 m wide, and 1.8 m deep. 1 ounce=29.6 mL
(Type your answer using the format 8.050e-3 for 8.050 × 10-3.)
Question 3
The required dosage for a certain medication is 3.5 mg per kg of body mass. What mass of medication (in mg) is necessary for a female weighing 115 pounds? (1 lb = 454 g)
(Type your answer using the format 8.050e-3 for 8.050 × 10-3.)
Question 4
The volume of one bacterial cell is 2.24 um3 (micrometers3). How many bacteria cells will fit in a volume of 2.5 mL?
(Type your answer using the format 8.050e-3 for 8.050 × 10-3.)
Question 5
You wash dishes for a chemistry laboratory to make extra money to pay for your laundry. You earn $6/hour, and each shift lasts 75 minutes. Your laundry requires 6 quarters per load. How many shifts must you work if you wish to wash 10 loads of laundry?
Report your answer to the nearest whole shift in normal notation.
Question 6
Calculate the thermal energy in J needed to increase the temperature of 1.40 kg of water from 20.5o C to 49.4o C.
(Type your answer using the format 8.050e-3 for 8.050 × 10-3.)
Question 7
Calculate the specific heat capacity of a metal if 54.4 J of thermal energy is necessary to raise the temperature of 10.09 g of the metal from 21oC to 32oC.
(Type your answer using the format 8.050e-3 for 8.050 × 10-3.)
Question 8
A piece of metal has a mass of 20.0 and a volume of 4.99 cm3. Calculate the density of the metal in g/cm3.
(Type your answer using the format 8.050e-3 for 8.050 × 10-3.)
Question 9
Calculate the mass of a copper cylinder having a diameter of 3.27 cm and a height of 6.99 cm. The density of copper is 8.96 g/cm3.
(Type your answer using the format 8.050e-3 for 8.050 × 10-3.) The volume of a cylinder is
Question 10
What volume of a container (in L) would be needed to hold 6.4 kg of gasoline? The density of gasoline is 0.68 g/mL.
(Type your answer using the format 8.050e-3 for 8.050 × 10-3.)
A 4.24 kg sample of bituminous coal contains 3.24 kg of carbon and 0.380 kg of ash. How many kg of ash are in 413 kg of this coal?
(Type your answer using the format 8.050e-3 for 8.050 × 10-3.)
Question 2
How many 12 ounce cans of Coke does it take to fill a swimming pool? The pool is 100. m long, 55 m wide, and 1.8 m deep. 1 ounce=29.6 mL
(Type your answer using the format 8.050e-3 for 8.050 × 10-3.)
Question 3
The required dosage for a certain medication is 3.5 mg per kg of body mass. What mass of medication (in mg) is necessary for a female weighing 115 pounds? (1 lb = 454 g)
(Type your answer using the format 8.050e-3 for 8.050 × 10-3.)
Question 4
The volume of one bacterial cell is 2.24 um3 (micrometers3). How many bacteria cells will fit in a volume of 2.5 mL?
(Type your answer using the format 8.050e-3 for 8.050 × 10-3.)
Question 5
You wash dishes for a chemistry laboratory to make extra money to pay for your laundry. You earn $6/hour, and each shift lasts 75 minutes. Your laundry requires 6 quarters per load. How many shifts must you work if you wish to wash 10 loads of laundry?
Report your answer to the nearest whole shift in normal notation.
Question 6
Calculate the thermal energy in J needed to increase the temperature of 1.40 kg of water from 20.5o C to 49.4o C.
(Type your answer using the format 8.050e-3 for 8.050 × 10-3.)
Question 7
Calculate the specific heat capacity of a metal if 54.4 J of thermal energy is necessary to raise the temperature of 10.09 g of the metal from 21oC to 32oC.
(Type your answer using the format 8.050e-3 for 8.050 × 10-3.)
Question 8
A piece of metal has a mass of 20.0 and a volume of 4.99 cm3. Calculate the density of the metal in g/cm3.
(Type your answer using the format 8.050e-3 for 8.050 × 10-3.)
Question 9
Calculate the mass of a copper cylinder having a diameter of 3.27 cm and a height of 6.99 cm. The density of copper is 8.96 g/cm3.
(Type your answer using the format 8.050e-3 for 8.050 × 10-3.) The volume of a cylinder is
Question 10
What volume of a container (in L) would be needed to hold 6.4 kg of gasoline? The density of gasoline is 0.68 g/mL.
(Type your answer using the format 8.050e-3 for 8.050 × 10-3.)