1. Classify each of the following samples of matter. Put an “X” in the box that applies. If it is a Pure Substance, classify it as an element or a
compound. If it is a Mixture, classify it as Heterogenous or
Homogenous.

Gold
Pepperoni pizza
Carbon dioxide
Grade juice
Helium
Salt
Sand at the beach
Ocean water

How many miles of water are produced if 5.43 mol pbo2 are consumed

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The ozone molecule o3 has a permanent dipole moment of 1.8×10−30 cm. although the molecule is very slightly bent-which is why it has a dipole moment-it can be modeled as a uniform rod of length 2.5×10−10 m with the dipole moment perpendicular to the axis of the rod. suppose an ozone molecule is in a 8000 n/c uniform electric field. in equilibrium, the dipole moment is aligned with the electric field. but if the molecule is rotated by a small angle and released, it will oscillate back and forth in simple harmonic motion.what is the frequency f of oscillation?