Given the equation representing a reaction at equilibrium:
h2(g) + i2(g) + heat--> 2hi(g)
which change favors the reverse reaction?
(1) decreasing the concentration of hi(g)
(2) decreasing the temperature
(3) increasing the concentration of i2(g)
(4) increasing the pressure

Which statement describes james chadwick’s discovery.

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?

Light waves travel than sound waves.