Conversions
950 grams is how many kg?
0.95 kg
What is the definition of matter?
Anything that has mass and takes up space
When something goes from a solid to a liquid the change in matter is called...
Melting
What is the density of carbon dioxide gas if 0.196 grams occupies a volume of 100mL?
.00196 g/mL
ductility describes an elements ability to do what?
Be stretched into a wire.
1,000 Liters is how many kL?
1 kL
describe what the difference is between a homogenous and heterogenous mixture.
Answers will vary
When something goes from a gas to a liquid it is called...
condensation
What is Density?
Answers may vary
A megawatt is how many Watts?
10^6
0.007 kg is how many mg?
7,000 mg
What is a compound?
Two or more elements bonded together.
When something goes from a solid directly into a gas it is called...
sublimination
what was the lightest liquid in the density tower?
alcohol
Salad dressing is an example of what kind of mixture?
Heterogenous
0.0085 kg is how many dag?
0.85 da
What is the law of conservation of energy
Energy cannot be created or destroyed.
Dry ice starts a solid block of frozen CO2 then releases CO2 gas. What state of matter is this?
Sublimination
A block of wood 4.0 cm on each side has a mass of 28 grams. What is the density of this block?
0.4375 g/cm^3
Are ductility and conductivity examples of physical properties or chemical properties.
Physical properties?
3200 seconds is how many hours?
0.89 hours
Name 2 physical and 2 chemical properties
physical (Color, density, ductility, conductivity, malliability) Chemical (reactivity, flammability)
Snow falls from the sky. This is called...
Deposition
A sample of iron has the dimensions of 2 cm x 3 cm x 2 cm. If the mass of this object is 60 g, what is the density of iron.
5 g/cm^3
What are the seven SI units we talked about in class?
kg, m, s, K, mol, A, cd.