Which of the following examples demonstrates a compression force?

a plucking a guitar string

b. squeezing a sponge

c. pulling a wagon

d. dropping an apple

Punctuating Nonrestrictive Clauses Which sentences are punctuated correctly? Check all that apply. Adriana (who won a prestigious art award last year) is studying painting in school.

Which is the correct name for the compound Ca (CLO2) 2

Heat is the measurement of energy from all the particles that are in a substance. true or false?

The action of processing plastic or aluminum cans into another usable product is called

How many grams are there in 9.4x10^25 molecules of H2

Calculate the percent yield when 500 grams of carbon dioxide react with an excess of water to produce 640 grams of carbonic acid. CO2 + H2O - --> H2CO3

Which of the following is a possible equivalence that can be used in a conversion? A. ten to the negative second power hL over one L B. ten to the negative second power cL over one L C. ten to the first power L over one daL D.

Which process is a chemical change? burning a match boiling water melting ice breaking glass

What form of matter is "vapor"? a. a solid made of a substance that is usually liquid c. a gas made of a substance that is usually solid b. a liquid made of a substance that is usually gas d. a gas made of a substance that is usually liquid

Which of the following atoms releases more energy than oxygen when an electron is added to its valence energy level? Select one: a. helium (He) b. fluorine (F) c. carbon (C) d. nitrogen (N)