Why does water wet glass surface whereas mercury does not? Forces of adhesion between the glass molecules and the cohesive forces with the molecules is much in water where adhesion wins while in mercury, molecular cohesive force wins therefore water wet glass while mercury does not.
Why does water wet glass but mercury does not? When liquid water is confined in a tube, its surface (meniscus) has a concave shape because water wets the surface and creeps up the side. Mercury does not wet glass – the cohesive forces within the drops are stronger than the adhesive forces between the drops and glass.
Why does mercury not stick? Mechanical Properties of Fluids. Why mercury does not cling to glass? The force of cohesion between mercury molecules is much greater than force of adhesion between mercury and glass. Therefore, mercury does not cling to glass.
Why is water attracted to glass? Water molecules are attracted to the molecules in the wall of the glass beaker. And since water molecules like to stick together, when the molecules touching the glass cling to it, other water molecules cling to the molecules touching the glass, forming the meniscus.
Why does water wet glass surface whereas mercury does not? – Related Questions
Can i drink from lead crystal glass 24?
When lead crystal beverage containers are used in an ordinary way, they do not pose a health risk! Therefore, food or beverage consumed from crystal glassware are completely safe! … You can safely use your crystal stemware and barware to serve wine, water and other beverage.
What is the best lubricant for sliding glass doors?
A petroleum based lube will work better, but it will also attract dirt. A silicone-based lubricant will be adequate and won’t attract dirt, says Homelyville. If you clean your sliding door tracks and rollers regularly, choose a petroleum-based lubricant.
Is hard anodized material good on glass top stoves?
Hard anodized aluminum cookware for glass top stove is durable and resists corrosion and warping. Durable 2 layer nonstick interior prevents food from sticking for easy cleanup! Long silicone handles stay cool on the stovetop; oven safe up to 400° F.
Can you fix a chipped glass rim?
Small chips and cracks can be fixed and the repairs are usually just about invisible. You can opt to tackle small nicks yourself with a crystal file, like the one from Chef’s Choice, or even a nail file. While these tools work well to smooth rough edges, chips repaired this way will likely still be noticeable.
What happens to a glass of water when ice melts?
The water level remains the same when the ice cube melts. A floating object displaces an amount of water equal to its own weight. Since water expands when it freezes, one ounce of frozen water has a larger volume than one ounce of liquid water.
Can glass be microwaved?
Glass and glass ceramic cookware is microwave safe as long as it doesn’t have gold or silver rims. Glass cups may or may not be microwave safe. … Avoid microwaving cold food-containers, such as butter tubs and whipped topping bowls. These can release chemicals into food when exposed to high heat.
What gets water spots off glass shower doors?
The best way to remove hard water stains from your shower doors is to do so using regular household items such as white vinegar and baking soda.
Can i pour leftover paint into glass jars?
Wide mouth canning jars are perfect to hold leftover paint since the lids seal tight. … When storing paint in glass, it is best to keep it in a dark area, as light can alter the color. A dark basement or closet is perfect. I lined up the jars on the worktable and opened one can of paint at a time.
When did stained glass first appear in churches?
Evidence of stained-glass windows in churches and monasteries in Britain can be found as early as the 7th century. The earliest known reference dates from 675 AD when Benedict Biscop imported workmen from France to glaze the windows of the monastery of St Peter which he was building at Monkwearmouth.
Is it okay to have glass of wine while pregnant?
The American College of Obstetricians and Gynecologists, the American Pregnancy Association and the American Academy of Pediatrics all note that no amount of wine during pregnancy is deemed safe and that consuming wine while pregnant should be avoided.
What glass do they use for aquariums?
Most aquariums are built with a tempered glass bottom for strength and the rest of the panels with plate glass. You will also encounter two types of glass… regular and low-iron glass.
When did the nba start with the glass backboard?
According to the book “Basketball’s Most Wanted: The Top 10 Book of Hoops’ Outrageous Dunkers, Incredible Buzzer-beaters, and Other Oddities” by Floyd Conner, glass backboards were introduced in 1909 but banned briefly in 1916 due to a rule requiring white paint on all backboards.
Do hot glass look the same as cold glass?
Hot glass look the same as cold glass. All chemicals in the lab are yo be considered dangerous. Return all unused chemicals to their original containers. … Laboratory work can be started immediately upon entering the laboratory even if the instructor is not yet present.
What to store in glass jars?
Glass jars are a surprisingly good container for packaging dry goods such as; wheat, white rice, rolled oats, sugar, salt, and corn in your long term food storage. The great advantage of using glass is that it creates a true oxygen and moisture barrier. Also, glass does not leach toxins into the food.
Can i heat acrylic glass?
Temperatures can be off as much as 75°F (42°C), possibly allowing the acrylic to overheat. And because air is not forcibly circulated in a standard kitchen oven, the fumes will accumulate. When they come into contact with the heat source, there is likely to be an explosion.
Do you need tempered glass screen protector?
Many people still buy screen protectors to protect those screens, but they’ve become less necessary. Screen protectors were once practically mandatory, but advances in glass and coatings have made them unnecessary for most people. You don’t have to buy a screen protector when you get a new phone.
How to clean goggles glass?
Wash with a lotion-free soap and dry off with a clean, lint-free towel. Rinse your glasses under a light stream of lukewarm tap water. This will remove the dust and help prevent you from scratching your lenses as you clean them. Do not use hot water to clean glasses, as it can damage some lens coatings.
Why is there an extra glass with milkshake?
But Laggis also added that there may be another practical reason for using the metal cup: It helps to keep the milkshake cold for a little longer, he says, which keeps it from melting to soup before it arrives at your booth.
Which president glass steagall repeal?
One year later, President Bill Clinton signed the Financial Services Modernization Act, commonly known as Gramm-Leach-Bliley, which effectively neutralized Glass-Steagall by repealing key components of the act.
Can i take a glass pipe on a plane?
But while TSA restricts the transportation of ‘drug’ paraphernalia in accordance with federal law, the agency officially allows tobacco pipes in carry-on and check-in bags. One way to reduce the chance of any hiccups is to clean your vape or pipe thoroughly.
What controls the temperature on a glass top stove?
The amount of heat is determined by the amount of electricity available, and the floe of electricity is controlled by the burner control switch. The switches are located in various places around the stove, depending upon the model.