What is the entropy change (in \( \mathrm{JK}^{-1} \mathrm{~mol}^{-1} \) ) when one mole of ice is converted into water at \( 0^{\circ} \mathrm{C} \) ? (The enthalpy change for the conversion of ice to liquid water is \( 6.0 \mathrm{~kJ} \mathrm{~mol}^{-1} \) at \( 0^{\circ} \mathrm{C} \) ) \( \begin{array}{llll}\text { (a) } 21.98 & \text { (b) } 20.13 & \text { (c) } 2.013 & \text { (d) } 2.198\end{array} \)

Please select polar molecule(s) from the following. \( \square \mathrm{CCl} 4 \) \( \square \mathrm{CHCl} 3 \) \( \square \mathrm{CO} 3 \) CO 2

Please select the molecule(s) with resonance structures from the following. CCl 4 CHCl 3 SO 3 H 2 O None

There are different types of food coloring available in most grocery stores- one that is water-based, and one that is oil-based. The oil-based food coloring works best in chocolates, in fry-oil to color fried foods, and in food with high butter contents. Based off of this information and knowing that substances of like polarity mix readily with one another, which food coloring is more polar (water-based or oil-based)? Which food coloring is less polar (or even nonpolar)? Water-based [Choose ]

Based on your worksheet results, please match the following: [he molecular shape of NH 3 is [Choose ] [Choose ] [Choose ] [Che molecular shape of BF3 is [Choose] The molecular shape of PF3 is

Please select polar molecule(s) from the following. NH3 BF3 PF5 PF3