The standard gibbs free energy of formation of is zero. (a) h2o (l) (b) fe (s) (c) i2 (s) a (a) only b (b) only c (c) only d (b) and (c) e (a), (b), and (c)

Calculate the frequency of a wave in a spring toy. the wave has a speed of 1.1 meters per second and a wavelength of 0.1 meters. *

What state of matter is ice a. liquid b. element c. solid d. gas

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.