Consider the total ionic equation below.
2NH3 +20H-+ 2H++502- 2NH3 + 2H2O+502-
What are the spectator ions in this equation?
O H+ and OH-
O H* and NHI
O NHI and 503
O 502 and OH-

The melting point of sulfur is 115 °c and its boiling point is 445 °c. what state would sulfur be in at 200 °c?

Identify the lewis base in this balanced equation: fe3+ h2o fe(h2o)63+

Liquid from a brewery fermentation contains 10% ethanol and 90% water. part of the fermentation product (50,000 kg/h) is pumped to a distillation column on the factory site. under current operating conditions, a distillate of 45% ethanol and 55% water is produced from the top of the column at a rate of one-tenth that of the feed. what is the composition of the waste "bottoms" from the still?