The density of iron is 7.6 grams per cubic centimeter. What volume would a 76-gram sample of iron fill? Density = Mass / Volumne 10 cm
1.0 cm
76 cm
O 7.6 cm

Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.

Select all of the methods through which a drug can enter your body. injection swallowing inhalation absorption

Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.