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What else can I help you with?
How do you identify a pure substance?
1. Check the melting point or boiling point of the substance. E.g. it is known that the boiling point of water is 100 degree celcius. It a sample of water boils are 101 degree celcius, the sample is impure. 2. Check if melting or boiling occur over a range of temperatures. E.g. if water boils from 101 to 103 degree celcius, then it is impure because pure water boil exactly at 100 degree celcius. 3. Perform paper chromatography. If the sample has only one spot on the chomatogram then it is pure substance.
Does the complete solid gets converted into liquid at its melting point?
Not necessarily, the melting point is usually just the point at which the solid will begin to transform into a liquid. There is usually a melting point range for most solids, meaning the temperature range the solid will completely melt. However, if the solid is extremely pure the range will be very small (only 1-2 degrees Celcius) therefore different books report different melting points for various solids. The Merck Index is a really reliable source for anything to do with any substance, be it physical properties such as melting point, to chemical properties such as reactivity.
What is rutherfordium melting point?
The melting point (only estimated, not determined) of rutherfordium is 2 100 0C.
The melting point for gold only?
The melting point of gold is 1,064 degrees Celsius (1,948 degrees Fahrenheit).
-38.7 melting point metal?
I believe mercury has that melting point, as it is the only metal that is liquid at room temperature.
Do solids have a high or low melting point?
That depends on the solid: ice has a very low melting point, lard and butter have low melting points, chocolate has a relatively low melting point, wax has an intermediate melting point, lead has a high melting point, iron has a very high melting point, tungsten has an extremely high melting point.
What is hassium's melting point?
I have gone to 8 websites and it is UNKNOWN ----- It is impossible to determine the melting point of hassium with only some atoms !
What is the melting point on ununseptium?
It is impossible to measure the melting point of uus with only few atoms.
Why is it important to use only small amounts of a solid in a melting point?
It is important to only use only small amounts of a solid in a melting point due to problems with accuracy. Too much can cause finding the melting point to become difficult due to too much variation in temperature.
Explain why there is this pattern in melting points for francium?
The melting point of francium is not measured, only supposed by comparison with the melting points of the other alkali metals.
How could you positively identify a compound using only melting point determinations?
I do not believe that any chemist would choose to identify a compound by using only the melting point; why create such difficulties for yourself?
What is the melting point of Stearin?
Glacial (pure) stearic acid has a melting/freezing point of 69.6 degrees Celsius or 157 degrees Fahrenheit at 100 kPa. An experiment today showed that stearic acid becomes a solid at 51 degrees Celsius. It stops becoming a fully liquid at 54 degrees Celsius; it becomes a mix of sold and liquid.
