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Why are boiling points of liquids usually reported along with the pressure at which the boiling point was measured?
The boiling point of a liquid is influenced by pressure: lower pressure leads to lower boiling point. Therefore, reporting the pressure at which the boiling point was measured gives context to the boiling point value and ensures consistency in comparison among different samples.
The element which gives you violet vapour on heating it?
Iodine is the element that gives off violet vapor when heated.
A substance X on heating gives B and C What is X a compound or a mixture?
It may be a compound as CaCO3 which on heating gives CaO and CO2, it may be a mixture as mixture of Naphthalene and sand which on heating gives naphthalene and sand.
Which metal oxide can be reduced by heating with carbon and gives reddich brown solids?
Iron oxide can be reduced by heating with carbon to produce reddish brown iron solids.
At a boiling point is the water really pure?
A previous answer stated 36° C This is obviously not correct as coffee (the drink) is not solid at room temperature. Nor do coffee beans or grounds melt at this temperature which would not be extreme for the natural environments in which coffee crops are traditionally cultivated. As coffee when prepared for drinking is primarily water, the melting point is probably similar to that of water, i.e. ~0° C. Impurities in water normally have the effect of lowering the melting point, which means that the melting point of coffee is likely to be just below that of water. The exact value would differ from cup to cup depending upon the beans used and the concentration or strength. The addition of sugar and/or dairy products would also be factors affecting the melting point.
Why are boiling points of liquids usually reported along with the pressure at which the boiling point was measured?
The boiling point of a liquid is influenced by pressure: lower pressure leads to lower boiling point. Therefore, reporting the pressure at which the boiling point was measured gives context to the boiling point value and ensures consistency in comparison among different samples.
What break fluid do i use in 2003 Santa Fe?
You can use DOT 3 or 4. DOT 4 gives you a higher boiling point.
How does adding salt to water affect the boiling point and melting point?
Adding salt to water affects its density meaning that the particles have to move more to reach a boiling point. The temperature therefore has to increase to make the particles move more and evaporate.
How does hydrogen bonding affect water molecule?
When the water freezes, the molecules within it start to expand. When the water boils, hydrogen bonding allows for a higher boiling point.
Why does calcium oxide have a high melting point?
as all of its molecules are packed closely together and have a strong bond!
What is The affect of salt in boiling pasta?
Adding a little salt to the boiling water gives pasta a little taste or flavor.
The element which gives you violet vapour on heating it?
Iodine is the element that gives off violet vapor when heated.
Which has a higher boiling point between H2O or H2Se?
Water has a higher boiling point than hydrogen selenide, because the strong hydrogen bonding of water gives it a higher "effective" molecular weight than hydrogen selenide, the unit that must be vaporized on boiling consisting on average of several water molecules rather than only one. The selenide, in contrast, forms only weak hydrogen bonds; therefore, its average "effective" molecular weight in essentially that of a single molecule.
What can you nickname simipour?
Name it Bartender, because it gives out drinks of boiling water.
What scale gives water a freezing temperature of 32 F and a boiling temperature of 212 F?
The Fahrenheit scale gives water a freezing temperature of 32 degrees F and a boiling temperature of 212 degrees F.
A substance X on heating gives B and C What is X a compound or a mixture?
It may be a compound as CaCO3 which on heating gives CaO and CO2, it may be a mixture as mixture of Naphthalene and sand which on heating gives naphthalene and sand.
What do the unusual properties of water mostly comes from?
Mostly from the fact that there is strong hydrogen bonding between the molecules. This, for instance, gives water much higher melting and boiling points than we'd otherwise expect for such small molecules.
