29) 2 four identical balloons are filled with different gases all at the same
temperature and pressure.
ammonia
carbon
dioxide
co
nh,
ethene
cha
nitrogen
-
r
the gases gradually diffuse out of the balloons.
which pair of balloons will deflate at the same rate?
ap and q bq and r cr and s
ds and p

What happens when an acid dissolves?

Iron (fe) reacts with copper sulfate (cuso4) to form iron (ii) sulfate. in this reaction, cu2+ gains electrons to form cu. which statement is true about this reaction? fe(s) + cuso4(aq) → feso4(aq) + cu(s)

Ascientist wants to know how individual lions within a pride interact with each other in their own environment. to do this, the scientist sedates and tags all of the lions within a pride. then, he places several remotely-controlled video cameras near the lions' den and performs an observational field study. he collects continuous video footage over the span of one year, analyzes the video, and then forms conclusions based on his observations.