Through which path will mechanical energy be transferred to make the blue ball move?
A. Cue - white ball blue ball
B. White ball
cue
blue ball
C. White ball
pool table blue ball
D. Cue - pool table - blue ball

The following reaction shows sodium carbonate reacting with calcium hydroxide. na2co3 + ca(oh)2 → naoh + caco3 how many grams of naoh are produced from 20.0 grams of na2co3? (molar mass of na = 22.989 g/mol, c = 12.01 g/mol, o = 15.999 g/mol, ca = 40.078 g/mol, h = 1.008 g/mol) 12.2 grams 15.1 grams 24.4 grams 30.2 grams

Fred is studying a substance that is made out of only one element. this means that

How do you interpret a chromagram for what mixtures contain?