Dimensional Analysis
Convert 0.611 dL to cL
6.11 cL
Convert 12 °C to K
285.15 K
What is the density of ethanol in grams per milliliters if a 1.36 g sample has a volume of 1.68 mL?
0.81 g/mL
Physical or Chemical Change?
Cooking an egg
physical change
What is an example of a pure substance?
pure water, CO2, NaCl, etc
How many decimeters are in 76.7 meters?
767 dm
1 degree Celsius is equal to how many kelvin?
273
What is the density of osmium in grams per liter if a 1.32 g sample has a volume of 0.00005739 L?
23000 g/L
Physical or Chemical Change?
Two solutions are mixed and gas is produced
chemical change
O2, Cl, H2O, I, Ag, HNO3-, C, H
Cl, I, Ag, C, H
Convert 4,150 mg to kg
0.00415 kg
Convert -179.08 °C to K
94 K
What is the mass of red brass in kilograms of a 0.457 L sample if its density is 8.75 kg/L?
4.0 kg
Physical or Chemical Property?
Flammability
chemical property
Identify which are compounds:
salt water, HF, C6H12O6, O, N, C, table sugar
HF, C6H12O6 , table sugar
I have 0.987 dm of a powder. What is my quantity in terms of m?
0.0987 m
If I have 365 K and 35 °C, what is my total temperature in kelvin?
673 K
add 273 to 35 °C to get the same units
What is the mass of concrete in kilograms of a 0.18 L sample if its density is 2.400 kg/L?
0.4300 kg
Physical or Chemical Change?
A bicycle begins to rust
chemical change
Identify a Heterogeneous Mixture:
jello, salt water, gravel, coffee
gravel
How many millimeters are in a decameter?
10000 mm
If I have 230 K and 75 °C, what is my total temperature in Celsius?
32 °C
Subtract 273 from 230 K to get it to the same unit
What is the volume of mercury in milliliters of a 2.4 g sample if its density is 13.5 g/mL?
0.18 mL
Physical or Chemical Property?
density
physical property
Identify a Homogeneous Mixture:
dirt, oil and water, milk, pizza
milk