0
When the glass is held horizontally over the flame, the heat is distributed more evenly across the surface area of the glass, causing it to heat up faster and enabling the seal to form quicker. Additionally, the horizontal position allows for better control and manipulation of the glass to ensure a tight seal.
What else can I help you with?
What happens when I hold a wet cardboard over a Bunsen burner flame vertically and horizontally?
Because the position of the cardboard is vertical it obviously displays the intensities of theheat. The bottom of the cardboard displays the hottest part of the flame where the char is firstseen. While the top area of the cardboard took time to dry up and char because is cooler in thisarea that those at the bottom.
What is colored glass held together with strips of lead?
Stained glass.
What is the composition of the deposit on the porcelain dish when it was held over a luminous flame?
The deposit on the porcelain dish from holding it over a luminous flame is likely a mixture of soot, carbon, and other combustion byproducts. This can result from incomplete combustion of organic materials present in the flame.
Where should a beaker be placed with respect to the flame for the most efficient heating on Bunsen burner?
The most efficient, and safe, place for a beaker to be heated is above the flame. Have the beaker held up by the proper metal stand and have it held so that the flame is grazing the bottom of the beaker. Be careful though, the flame should only graze the bottom of the beaker so that the chemical doesn't heat up too quickly.
Why does a steel nail go from shiny to dull when it is held in a hot flame?
When a steel nail is heated in a flame, the high temperature causes the outer layer of the nail to oxidize, forming a layer of iron oxide (rust) on the surface. This iron oxide layer has a dull appearance, which makes the nail lose its shininess.
What happens when you hold a glass tubing over a Bunsen burner flame?
When a glass tubing is held over a Bunsen burner flame, it heats up and may eventually become soft, losing its shape or melting. This can be dangerous as molten glass can drip and cause burns. It is important to handle glass tubing with caution and use proper equipment for heating.
What is the definition of flute?
A woodwind instrument held horizontally that does notneed a reed to play.
What happens when I hold a wet cardboard over a Bunsen burner flame vertically and horizontally?
Because the position of the cardboard is vertical it obviously displays the intensities of theheat. The bottom of the cardboard displays the hottest part of the flame where the char is firstseen. While the top area of the cardboard took time to dry up and char because is cooler in thisarea that those at the bottom.
Which city held the first to light the olympic flame?
America
What is colored glass held together with strips of lead?
Stained glass.
What gets broke without being held?
glass
What happens to white porcelain when held over the safety flame?
When held over a safety flame, white porcelain may become dirty or sooty from the flame. The heat may also cause the porcelain to change color slightly or develop a smoky residue on its surface.
Is a piccolo held diagonally?
A piccolo is held horizontally to the side, but players may hold it at a descending angle, usually less than 45 degrees.
What was ink held in a long time ago?
Usually it was held in a small glass bottle. Or sometimes there was a small compartment in the desk that you could put the glass bottle in and then it held the ink.
What do you observe when the end of the copper wire is held in the hottest part of the burner flame for about seconds?
When the end of a copper wire is held in the hottest part of a burner flame for a few seconds, the copper wire will likely change color to a bright green or bluish flame as it undergoes oxidation. This is due to the formation of copper oxide on the surface of the wire from the reaction with oxygen in the flame.
What is the color of iron in aflame?
If you're referring to what chemists call a "flame test", then the characteristic color due to iron ions is yellow (which may not be terribly spectacular, depending on how hot the flame in question is). If you're referring to the color of an iron bar held in a flame, it depends on how hot the flame is; if it's held there long enough, it should be approximately the same color the flame itself is (assuming it doesn't melt first).
What is the difference between a flute and a whistle?
A whistle is held lengthwise in front of you face, and has a high sharp sound. A flute is held horizontally to the right, and can play lower notes.
