The reaction c2h6(g) + 5o2(g)=4co2(g) + 6 h20(g) +heat Has (increasing/decreasing) entropy and is (exothermic/ endothermic). It is (always/sometimes/never) spontaneous at (high/low/all/ no) temperatures.

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?