Why does water expand when it goes from a liquid to a solid? Why is water vapor concentration on the rise? Why does evaporation lower the temperature of a liquid? Why does hyperopia happen in water? Why does water evaporate faster than alcohol?
What characteristic of water would you be investigating when you place a small drop of water on wax paper and when you try to float a paper clip in water? Why do wet objects normally look darker than the same objects when dry? Why does a nee...
So what does this have to do with evolution and why haven't other species involved intelligence like us? The most prominent example in this case is related to polysialylic acid (PSA) addition on neural cell adhesion molecule 1 (NCAM1). NCAM1 is a cell surface adhesion protein on ...
Obviously a puncture happens when an object manages to pierce a hole in the inner tube. Sometimes this can happen quickly, you ride over a tack and it goes straight in. Don’t forget the weight of you and your bike is spread over the tiny contact patch of the front and rear tyres, i...
Good adhesion can make or break the performance of a properly baked Teflon™ coating. The life of a coating can be directly related to the steps taken in cleaning and providing a good surface to adhere to. Find out the best substrates, proper surface preparation materials, and processes ...
Why does the neutralization of an acid by a base often produce water? Acids release H⁺ ions, and bases release OH⁻ ions. When combined, they form water (H₂O), neutralizing each other. Why do the cell membranes of microbes living in Arctic water likely contain more unsaturated fatty...
to repair the air ducts in your home that may have developed leaks. Note that over time, it may get too hot for extended periods and lose its adhesion when used for ductwork. Plan a more permanent solution so you don’t have to get up in your attic every year to perform new repairs...
So, how exactly does its physical property change? When the filament absorbs water, they react with each other. The filaments are polymer — until water molecules break up all the secondary molecular bonds and change them into monomers, and this is also the reason why wet filaments are ha...
Water forms into a drop on a leaf and hangs down, but it does not drop. Is this an example of cohesion, adhesion, or both? Explain. Explain the importance of the oil drop experiment. Why does ice float in water even though ice is just melted water? Explain surface tension us...
Explain why water sticks to the walls of a glass tube but mercury does not. Explain the terms, adhesion and cohesion. Explain why the meniscus in a capillary tube is concave for water and convex for mercury. Why is mercury instead of ethyl alcohol ...