Question

Hydrogen bonds between surface water molecules resist being stretched

a. hydrogen bonds between surface water molecules resist being stretched
b. molecules at the surface make more hydrogen bonds
c. cohesion forces are weaker at the surface
d. there is positive pressure inside rhe water mass
.

Answer 1

Cohesion allows for the development of surface tension, which helps water molecules stick together and resist being stretched. This surface tension is why water forms droplets and can support objects that are denser than water on its surface.

Step-by-step explanation:

Cohesion allows for the development of surface tension, the capacity of a substance to withstand being ruptured when placed under tension or stress. This is also why water forms droplets when placed on a dry surface rather than being flattened out by gravity. When a small scrap of paper is placed onto the droplet of water, the paper floats on top of the water droplet even though paper is denser (heavier) than the water. Cohesion and surface tension keep the hydrogen bonds of water molecules intact and support the item floating on the top. It's even possible to "float" a needle on top of a glass of water if.