4kg powder soap function by head and tail molecules
How exactly does cleaning 4kg powder soap function? Long molecules with a head and a tail are used to create soaps and 4kg powder soap
This kind of molecule is called a surfactant, and an example of one is shown in the figure below
The molecule’s hydrophilic (water-loving) head is balanced by its lipophilic (oil-loving) tail (hydrophobic)
The molecules’ tails are attracted to the grease on the clothes, while the molecules’ heads remain in the water
The grease on the surface is dislodged due to the strong attractive forces between the head groups and the water
4kg powder soap molecules have encircled the glob of grease, breaking it up into smaller pieces that can be more easily removed by the water
The surface tension of the water is lowered by the 4kg powder soap molecules, which further aids in the efficiency of the washing process
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The force of surface tension is what prevents a puddle from spreading once it has formed
4kg powder soap molecules that act as surfactants disperse these forces, causing water to act more like water
A thin layer of water is sandwiched between two layers of soap molecules to create bubbles and soap films
These ingredients, when combined, produce enormous bubbles:
All you need is 1 liter of water (preferably distilled, but tap water will do), 15 milliliters of high-quality dishwashing liquid (we used Fairy), and 10 milliliters of glycerol/glycerine (found in the baking aisle of your local grocery store)
You can now perform our four experiments using your homemade bubble solution
Procedure 1
Make a hoop using your hands
Blow softly yet strongly into them after dipping them in the bubble solution
If you follow these steps, you should be able to create bubbles that are around 60 centimeters in diameter!
Bubbles are broken in Experiment 2 by dryness, not by sharpness
To demonstrate, blow a huge bubble and see if you can stick your fingers inside it
A moist hand allows for safe contact with the bubble, even reaching within
Even as it bursts, a soap bubble is just 1/500,000th of a centimeter thick!
Make a big string hoop, about 1 m in diameter, and tie four little loops at the corners to use as handles for Experiment 3
Put it in the soapy water, then pull the two handles apart to create a huge soapy sheet
If you shake the film from one end, you can see the wave propagate across it
Procedure 4
Now try your hand at making a bubble dome according to our helpful diagram
Pour some bubble solution onto a tray or the kitchen counter
Create a massive bubble using a straw
Create a tiny bubble by inserting the straw into the larger one and blowing air through it
The more little bubbles you can create, the better!
Surface tension is only one of the many peculiar characteristics of water
Surface tension, as we discussed previously, is the force that keeps a drop of water from spreading over a flat surface
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A pin may float on the surface of water due to surface tension, and pond skaters and other insects can walk on it
Simply floating a pin in a basin of water will show you this for yourself
Add a single drop of dish soap and watch the pin’s reaction with caution
The 4kg powder soap molecules disrupt the forces that hold the water together, thus the object should sink instantly
Since there is nothing holding the pin in place, it will eventually fall to the floor
The Button Balance is a tool for gauging the tension of a surface
Make a button balance, like the one used by the well-known home experimentalist of the nineteenth century, Agnes Pockels, to measure surface tension
A lolly stick, nylon thread, button, plasticine, graph paper, card, and a container for the liquid to be tested are required
There are two different ways that the balance might be set up, both of which are shown in the illustration
You’ll know in a short amount of time which option is ideal for your requirements
Because it does not absorb water easily, nylon thread is an excellent material for use in conjunction with a lolly stick in the capacity of a lever
Using the nylon thread, you can suspend from the lolly stick a counterweight pan that you’ve fashioned out of the card
It is possible to utilize individual squares of graph paper as weights by first determining the mass of a large stack of complete sheets of graph paper and then computing the weight of a single square
Maintaining equilibrium requires:
Before you start using the lever, you need to make sure that it is level; you can do this by securing it to the lolly stick with something like plasticine
Before you start using the lever, you need to make sure that it is level
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Raise the bottle or jar slowly until the bottom of the button side makes contact with the soil (the rim should be facing down)
You should be able to see that the lever is angled in such a way that the end is below the water
Either by adding very little weight to the counterbalance pan or by moving the pan along very slowly, you will be able to raise the button such that it is visible above the surface of the liquid
You could try replacing the button on the liquid surface in order to confirm that the weight, and not the process of dumping the weight into the counterbalance pan, was the cause of the button falling off
This will ensure that the weight, and not the process of dumping the weight into the counterbalance pan, was the cause (or sliding the counterbalance)
You have the option of either keeping track of the position of the sliding counterweight along the graded lever or the number of squares of paper required to lift the button off the liquid surface, and then converting that number to actual weight
If you choose to keep track of the position of the sliding counterweight along the graded lever, you will need to grade the lever
It is recommended that you repeat the experiment in order to determine how accurate your previous findings were
Measure the surface tension of a variety of different liquids using your button balance, and then compare and contrast the results
To give just a few instances, there is cold water, water from the ocean, hot water, and water that has been soapily added to it
