Table of Contents
Which property of water allows a paper towel to pick up a puddle of water? adhesion of water molecules to other kinds of molecules – Water adheres to the cellulose molecules in a paper towel, allowing the towel to pick up a puddle of water.
What property is demonstrated when paper towels absorb a water spill?
Paper towels are permeable and porous, meaning that they contain small spaces that both liquid and air may pass through. Liquid is able to rise through a property of water called cohesion—that is, water molecules like to stay close to one another (which also helps to explain surface tension).
Which property of water explains how water droplets are absorbed by a paper towel quizlet?
If you place a paper towel near spilled water, it absorbs it because of capillary action. Ice floats in water because water is less dense as a solid than a liquid.
Which of the following is a property of water that allows a water strider to walk on the surface of water quizlet?
Which property of water allows a water strider to walk on water? Water’s high surface tension, related to its cohesion, makes water behave as though coated with an invisible film. You just studied 5 terms!.
Which properties of water allow the water strider to do this?
Water striders use the high surface tension of water and long, hydrophobic legs to help them stay above water. Water striders use this surface tension to their advantage through their highly adapted legs and distributed weight.
What allowed the water to climb up the paper towels?
Capillary action occurs because water is sticky, thanks to the forces of cohesion (water molecules like to stay close together) and adhesion (water molecules are attracted and stick to other substances). Dip a paper towel into a glass of water and the water will “climb” onto the paper towel.
How do paper towels absorb water?
Paper is made of cellulose, which water molecules like to cling to. Paper towels are especially absorbent because their cellulose fibers have empty spaces—tiny air bubbles—between them. Water molecules, which like to stay together, follow the one another as they are absorbed by the cellulose and fill the empty spaces.
Which of the following is a property of liquid water?
Water is a liquid at standard temperature and pressure (25 degrees Celsius and 1 atm, for liquids). Water is is tasteless and odorless. Water is transparent in the visible part of the electromagnetic spectrum. Water can act as either an acid or a base.
What property allows plants to pull water upward from their roots to their stems and leaves?
What causes water to travel up a plant stem? This property of water molecules to ‘stick together’ by hydrogen bonds is called cohesion. As transpiration continues, more water molecules leave the plant and therefore they pull more water molecules up through the stem and to the leaves in a relatively continuous movement.
Which property of water allows insects to walk on water?
The weight of the insect and structure of their feet in combination with the surface tension of water allow some insects to walk on water. Water molecules are more attracted to each other than they are to other materials, so they generate a force to stay together called surface tension.
Which of the following properties of water enables it to move from the roots to the leaves of plants?
The cohesive properties of water (hydrogen bonding between adjacent water molecules) allow the column of water to be ‘pulled’ up through the plant as water molecules are evaporating at the surfaces of leaf cells. This process has been termed the Cohesion Theory of Sap Ascent in plants.
What property of water allows a high boiling point?
Cohesion and hydrogen bonding are the cause for water’s low vapor pressure, high boiling point, and high heat capacity. Adhesion is water’s property to adhere to a surface, and is the cause of capillary action.
Which of the following is a hydrophobic material?
Hydrophobic materials in biology are substances that do not dissolve in water, repel water, or are themselves repelled by water molecules. Examples include greases, waxes, steroids, alkanes, and fats.
What property helps form water droplets?
Adhesion makes a water drop a drop. Water is highly cohesive—it is the highest of the non-metallic liquids. Water is sticky and clumps together into drops because of its cohesive properties, but chemistry and electricity are involved at a more detailed level to make this possible.
What property of water allows water spiders to walk across the surface of a pond?
How can a spider walk on Water? high surface tension of water, from collective strength of hydrogen bonds, allows this raft spider to walk on the surface of a pond.
What property of water allows it to move upward against the force of gravity in very narrow spaces?
Explanation: Capillary action is the ability of a liquid to rise against gravity in a narrow tube or into a small space through a narrow opening. This takes place because of the forces of cohesion (attraction between molecules of the same substance) and adhesion (attraction between molecules of different substances).
How much water can paper towels absorb?
Each paper towel was tested three times. The results showed that Bounty absorbed an average of 16 mL of water, Viva absorbed an average of 15 mL of water, and Sparkle absorbed and average of 14 mL of water.
Is water absorbed by a paper towel a physical or chemical property?
Paper towel absorbs water. has been changes into another substance, a chemical change (C) has occurred. 1. P An ice cube is placed in the sun.
What property of water allows a paperclip to float on top?
The high surface tension helps the paper clip – with much higher density – float on the water. The cohesive forces between liquid molecules are responsible for the phenomenon known as surface tension.
What paper towels absorb the most water?
In our absorbency tests, Viva proved to be #1. These cloth-like paper towels were able to absorb the most liquid out of every brand tested, while also picking up spills quickly. Viva paper towels were also the softest paper towels, according to our consumer testers.
What do paper towels do?
A paper towel is an absorbent, disposable towel made from paper. They have similar purposes to conventional towels, such as drying hands, wiping windows and other surfaces, dusting, and cleaning up spills.
What affects the absorbency of paper towel?
The absorbency is affected by several factors such as the material characteristics, contact time, sheet size, liquid type, liquid temperature, surrounding temperature and humidity, and many others.
