Boiling refers to which phase change?
a. gas to solid
b. liquid to gas
c. solid to liquid
d. liquid to solid

Which of the following pressures is equal to 760 mm hg? 2.0 atm 101.3 pa 101,300 kpa 101,300 pa

Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease. correct answer for apex - a, its nonpolar end dissolves the grease.

One does not belong why? ice, gold ,wood ,diamond and table salt