For each of the following precipitation reactions, complete and balance the equation, indicating clearly which product is the precipitate. If no reaction would be expected, so indicate. (Include states of matter under the given reaction conditions in your answer. Enter 'NR' if no reaction occurs.)
(a) (NH4)2SO4(aq) + Ba(NO3)2(aq) →

Sex cells from female reproductive organ? 1) mitosis 2) fertilization 3) zygote 4) eggs 5) meiosis 6) sperm

For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have

Acandle’s wick is the fabric string that holds the flame, and it burns down at a constant slow pace when the candle is lit. the wick is usually surrounded by wax. which is the most important property of covalent compounds that makes them useful for making candle wax? a low boiling point a low melting point a high boiling point a high melting point