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Answered 2013-04-06 23:32:12
melting (freezing) point is lower, boiling point is higher
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How do differ boiling and melting?
Boiling - is turning a liquid into a gas. Melting is turning a solid into a liquid.
How do the melting and boiling points of water differ from those of a sugar water solution?
The phenomenon of boiling point elevation is analogous to freezing point depression
What must the melting and boiling point be in order for a phase change to occur?
Melting and boiling points differ with the substance.
How do the melting and boiling point of water differ from those of a sugar water solution?
because the water is less dense than sugar water
Explain how the trends in melting point and boiling point differ from the other periodic trends?
Instead of generally increasing or decreasing trend, melting and boiling points reach two different peaks as d and p orbitals fill. -Darryn
What is irons boiling and melting points?
Pure Iron (Fe): Melting at 1811 K, 1538 °C, 2800 °F . Boiling at 3134 K, 2862 °C, 5182 °F In alloys (homogenous mixtures like steel) it can significantly differ from these values.
What causes the boiling point of substances to differ?
Boiling points of liquids differ because of a few different causes. The most notable is the intermolecular forces between molecules in the liquid. Stronger intermolecular forces will yield a higher boiling point. If the intermolecular forces are relatively equal, then the molecule with the higher mass will have the higher boiling point. The boiling point can also be raised if there is a salt dissolved in the solution.
How do ionic compounds and molecular compounds differ in their relative melting and bioling points?
Ionic compounds have higher melting and boiling points than molecular compounds do. The electronegativity difference in ionic compounds makes their bond much stronger.
What is melting point of a solid?
the melting points differ to differant solids
How does boiling point differ from normal boiling point?
There is only one boiling point, there is not a boiling point and a normal boiling point
How do the boiling and freezing points between the Fahrenheit and celsius?
Boiling points and melting points differ for different elements and compounds. However, if water is considered, the freezing point is 0 degree Celsius which is 32 degree Fahrenheit. Boiling point is 100 degree Celsius which is 212 degree Fahrenheit.
Why boiling points and melting points can be used to identify substances?
Because they are unique to each pure substance. Different substances usually have different melting points, so determining the melting point of a substance can narrow down the possibilities for the identity of the substance. Likewise different substances usually differ in their boiling points, so boiling point can narrow down the possible identities of a substance. Although two substances can have nearly identical melting points or have nearly identical boiling points, it is extremely rare for two different pure substances to have BOTH the same melting point AND the same boiling point, so taking the two together is usually enough to uniquely identify a substance, or at the very least narrow it down to a very small list.
How does boiling and melting point identify substances?
Different substances usually have different melting points, so determining the melting point of a substance can narrow down the possibilities for the identity of the substance. Likewise different substances usually differ in their boiling points, so boiling point can narrow down the possible identities of a substance. Although two substances can have nearly identical melting points or have nearly identical boiling points, it is extremely rare for two different pure substances to have BOTH the same melting point AND the same boiling point, so taking the two together is usually enough to uniquely identify a substance, or at the very least narrow it down to a very small list. Also, surprisingly, if you mix two substances with the same melting point, the mixture will NOT melt at the expected temperature, so when you have a shortlist based on melting point you take your unknown and mix it with one of the suspects. If it melts at the right temperature, you have identified it. If not, you try the next one.
How do isotonic solution and equilibrium differ?
isotonic solution, equilibrium
In what ways do metals differ from each other?
The chemical and physical properties are very different; for example: color, density, melting point, boiling point, chemical reactivity, hardness, mechanical properties, electrical conductivity, etc.
How does hypertonic solution and hypotonic solution differ?
my daddy told me not to talk to starngers
How does an aqueous solution and a solution in general differ?
aqueous means liquid or water.
How does vapor differ with gas?
Vapors are released from a liquid by evaporation or boiling.
Why do the melting and boiling points of a particular subsatnce vary?
It is because the intermolecular forces(the attractive forces between the molecules of a substance) differ from one substance to another. The chemical with the stronger intermolecular forces will have higher melting and boiling points, and vice versa. This is because more energy is required to separate the molecules to melt or boil the substance, if the forces are strong. The factors that determine the size of these forces are :the type of bonding in the molcules, andthe mass of the molecules.
What is the boiling point of water in high altitude?
Depending on the altitude the boiling point will differ. This calculator will give you the boiling point of the altitude that you desire to discover: http://www.csgnetwork.com/h2oboilcalc.html
How do the boiling point ranges of pure and impure materials differ?
As impurities are added to a material, the boiling point depresses. An impurity can never cause the boiling point to go up, however.
How does sublimation differ from melting?
sublimation differs from melting because during sublimation a solid turns to a gas, without going through the liquid stage, whilst melting a solid turns it into a liquid.
Are the melting point of solid and freezing point of liquid of a substance different?
yes the melting point of solid and freezing point of liquid of a substance is differ but in the case of water the melting and freezing point is same.
If a sample contained 1 gram of pure substance A and another test tube contained 4 grams of pure substance A how would the melting point differ and how would the experiment differ?
The melting point is independent of the quantity. What changes is the amount of heat which must be supplied.
How does normal boiling points differ from other boiling points of the same liquid?
The normal boiling point is the boiling point at sea level, or more precisely, at 1 atmosphere pressure. At higher elevations, or at lower atmospheric pressures, the boiling point is lower. At higher atmospheric pressures, the boiling point is higher.
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