Question 9 (1 point) In the electrolysis (a decomposition reaction) of 144 g of water, how many liters of oxygen are preapred at STP?
2H20 -> 2H2 + O2
а
179 L
89.5 L
358 L
Ob
Ос
Od
Оe
6320 L
12.4L

Adrop of acetone (nail polish remover) has a mass of 35 mg and a density of 0.788 g/cm3. what is its volume in cubic centimeters?

How might this scientific phenomena be explained? a paper clip floats on water.

Ascientist conducted an experiment and discovered that certain plants grow faster when given a particular amount of fertilizer. anouther scientist conducted the same experiment and got similar results. which concept does this best illustrate? a) repetition b) replication c) precision d) validity