Density
An object weighing 1.840g has a volume of 0.15m3. What is the density of the object?
12.266g/m3
4.184J/goC
How many meters in a kilometer?
1000 meters
What is the course you are taking right now and who is the professor?
What is the powerhouse of the cell?
Mitochondria
A chef fills a 50 mL container with 43.5g of cooking oil. What is the density of the oil?
0.87g/mL
A 45g piece of metal absorbs 400J of heat energy, and its temperature changes from 10oC to 50oC. Calculate the specific heat of the metal.
0.222J/goC
1012 bytes
What is the most abundant element in the universe?
Hydrogen
Where does rain come from?
Clouds
Calculate the volume of a liquid with a density of 5.45g/mL and a mass of 65g.
11.9266mL
100g of 1oC water is heated until its temperature reaches 37oC. If the specific heat of water is 4.184J/goC, calculate the amount of energy required to cause the rise in temperature.
15062.4J
Who discovered the proton?
Ernest Rutherford
What is the name of your SI leader?
A student measures the mass of an 8cm3 block of brown sugar to be 12.9g. What is the density of the brown sugar?
1.6125g/cm3
How many Joules of heat are needed to raise the temperature of 15.0g of iron from 11.0oC to 66.0oC, if the specific heat of iron is 0.45J/goC?
371.25J
Convert 45cm3 to m3
4.5 x 107 m3
Who discovered the electron
J.J. Thompson
What is the capital of Australia?
Canberra
A pure silver coin weighs 8.062 grams. Determine the volume (in L) if the density of silver is
1.049x10-4kg/m3.
(1L = 1.0x10-3m3)
7.685 x 10-4 L
10g of ice-cubes at 0oC is added to 100g of water at 30oC. Specific heat capacity of water is 4.184J/goC and the specific latent heat of fusion of ice is 334J/g. What is the final temperature of water?
20.02oC
What are the metric SI units?
Grams, Liters, Meters, Seconds
Who discovered the neutron?
Sir James Chadwick
Which element has the highest naturally occuring atomic number?
Uranium