Biphenyl (C6H5)2 has a melting point of 69.2 degrees Celsius
The substance whose melting point is being observed is impure.
Use a thermometer that can measure greater than 100 oC.
A substance with a melting point below room temperature would typically be in a solid state at room temperature. However, it may start to melt or become a liquid as the temperature increases.
Answerwhat factors affect the melting point?1) Any impurity in a sample will lower the melting point, even if the impurity melts at a higher temperature.2) An impurity will cause the sample to melt over a wider range.
Hafnium-tantalum carbide is the most refractory material known today with a melting point of3 942 0C.
Liquid nitrogen is one whose boiling point is way, way below the freezing point of water.
It is hot enough so that, of all the elements whose melting points are known, only carbon remains solid.
"K" is short for "Kelvin" - a temperature scale in degrees the same size as Celsius, but whose "0" degrees point is not freezing, but absolute zero - no heat, at all. The Kelvin scale is handy for scientists because there are no "below zero" or negative degrees. This makes things a lot easier when making scientific calculations. The term was taken from "Lord Kelvin". His name was William Thompson, and he was a 19th century physicist. His english title was First Baron of (family) Kelvin, or simply, "Lord Kelvin".
One interesting use is to define a temperature standard - the triple point of water (or any substance, for that matter) is at a very precise temperature. On the other hand, the melting point or the boiling point depends on pressure.One interesting use is to define a temperature standard - the triple point of water (or any substance, for that matter) is at a very precise temperature. On the other hand, the melting point or the boiling point depends on pressure.One interesting use is to define a temperature standard - the triple point of water (or any substance, for that matter) is at a very precise temperature. On the other hand, the melting point or the boiling point depends on pressure.One interesting use is to define a temperature standard - the triple point of water (or any substance, for that matter) is at a very precise temperature. On the other hand, the melting point or the boiling point depends on pressure.
100 degrees
The angle between the two tangents is 20 degrees.
I have no idea at all what your question means. Take a piece of iron and put it in a room whose temperature is 32 degrees, and before long the iron's temperature will be 32 degrees. Put a piece of iron into a room that is at 105 degrees, and before long the iron's temperature will be 105 degrees.