Chapter 1. The Science of Change. 1. Things You Should Know…. Names of rows in the Periodic Table (periods) and columns (groups) Names of the 4 main groups Names of the 3 general types of elements (metals, nonmetals, metalloids) SI units:. Things you should know….
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The Science of Change
A graduated cylinder is filled with water to a volume of 20.1 mL. A solid object is carefully slid into the water, and the water rises to a volume of 27.8 mL. What is the volume of the object?
States of Matter
10, 0.001, 0.00002, 1 x 104, 1 x 10-3, 3 x 10-5, 8 x 105, 700000
= 12.61092 13
= 1.977 1.98
D = m / v
Mass per volume
Greater mass (same vol.) = more dense
Greater volume (same mass) = less dense
Diet versus regular coke
If a steel ball bearing weighs 54.2 grams and has a volume of 6.94 cm3, what is its density?
If a steel beam is measured to have a volume of 94390 cm3, how much does it weigh?
Carbon dioxide gas is more dense than helium gas. Use the pictures below to explain why.
A piece of glassware is filled with water to a volume of 15.6 mL. The water is then weighed on an analytical balance and determined to have a mass of 15.2662 g. What is the density of water?
Using your answer from above, calculate the volume a 56.7834 g sample of water should occupy.