Calculate the amount of heat needed to boil 126. g of water \( \left(\mathrm{H}_{2} \mathrm{O}\right) \), beginning from a temperature of \( 35.3^{\circ} \mathrm{C} \). Rou be sure your answer contains a unit symbol.

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

Based on your worksheet results, please match the following: The electron group geometry of NH 3 is The electron group geometry of BF 3 is [Choose ] The electron group geometry of \( \mathrm{PF5} \) is [Choose ] [Choose ] electron group geometry of SF4 is geometry of PF 3 is [Choose ]

Which of the following molecule(s) have lone pair electrons and/or non-identical central bonds? NH3 BF3 PF5 PF3

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

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