Question

water & carbon worksheet
instructions: answer the following questions. press \turn in\ on google classroom to submit to your teacher. note that this should be handed in as a google doc, or it will not be marked.

1. ice is less dense than liquid water. explain how the hydrogen bond structure in ice creates this difference.

Explanation:

In liquid water, hydrogen bonds are constantly forming and breaking. In ice, hydrogen bonds form a rigid, hexagonal lattice structure. This lattice has more empty space between water molecules compared to the more closely - packed arrangement in liquid water. Since density is mass per unit volume, and the volume of ice is larger for the same mass of water molecules (due to the open lattice), ice is less dense.

Answer:

Ice has a rigid, hexagonal lattice structure due to hydrogen bonds. This structure has more empty space than liquid water. As density ($
ho=\frac{m}{V}$) depends on volume ($V$) for a given mass ($m$), the larger volume of ice (from the open lattice) makes it less dense than liquid water.