Intro to Chemistry
The science that deals with the materials of the universe and the changes that these materials undergo
What is chemistry?
The SI unit for mass
What is kilograms?
Number of sig figs in this value: 0.001000
What is 4?
The state of matter that has definite volume and shape
What is solid?
What is D = M/V?
The element's ___________ is derived from its Greek/Latin name
What is symbol?
Measurement always has some degree of _________.
What is uncertainty?
Convert 3489 seconds into days
What is 0.04038 days?
Matter that cannot be physically separated (think generally/more broad)
What is pure substance?
If an object has a lower density than the substance its submerged in, it will _________.
What is float?
The step in the scientific method when you decide if your data supports or rejects the hypothesis
What is drawing a conclusion?
the boiling point of water in Kelvin
What is 373 K?
908 x 800
What is 700,000?
Matter that can be physically separated but has a uniform composition
What is homogeneous mixture?
Toxicity is an example of this kind of property.
What is chemical?
The purpose of an experiment
What is test the hypothesis?
Convert 80. degrees F to degrees C.
What is 27 degrees C?
Convert 6.09 feet to centimeters
What is 186 cm?
The Law of Conservation of Mass
What is matter cannot be created nor destroyed; it is conserved?
Volume is an example of this type of physical property.
What is extensive?
The 4 evidences of a chemical reaction
What is gas production, color change, heat transfer, and solid formation?
The 2 parts to a measurement
What is number & unit?
43.678 x 64.1
What is 2.80 x 103?
Matter that can be chemically decomposed
What is compound?
The substance that is densest:
Sub 1: mass = 25 g, volume = 50 mL
Sub 2: mass = 15 g, volume = 50 mL
What is Substance 1?
(why? greater mass per volume)