__ca(oh)2 + __ (nh4)2so4 > + + __h2o

a)11
b)5
c)7
d)9

Litmus paper is made from water-soluble dyes which are extracted from lichens. this paper is used as an acid-base indicator. which of these common household substances would turn blue litmus paper red? a) bleach b) lye c) soap d) vinegar

What will most likely happen when two bromine atoms bond together?

If 22.5 of nitrogen at 748 mm hg are compressed to 725 mm hg at constant temperature. what is the new volume?