9. AgBr can be made with the reaction below. If a chemist starts with 45.0 6 points grams of AgNO,, how many grams of Cabr, must be added to use up all of
the AgNO,? Hint: convert grams to moles and moles to grams *
*
2AgNO3 + CaBr2>2AgBr +CaN206
O A. 0.265 grams
O B.22.5 grams
O C. 26.6 grams
D. 199.9 grams

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?