what are the effects that salt has on water?

Answer 1

When you add a salt to water and the container feels cold, an endothermic reaction is taking place. The solution is grabbing heat from the surroundings to get the salt to dissolve. When you add a salt to a pure solvent (say, water), the freezing point will go down and the boiling point will go up. That's because the vapor pressure of the pure solvent is lowered (this would be easier to explain with a phase diagram). Remember, the definition of BP is the temp at which the solution's vapor pressure equals the external pressure. By lowering the vapor pressure,the whole phase diagram shifts...BP to the right (higher), FP to the left (lower). One more thing... The change in BP and FP is related to how much salt is added to the solvent: delta T (change in T) = Km where K is either what's called the molal freezing-point depression constant or molal boiling-point elevation constant; m is the molality of the solution defined as moles of solute (salt) / kilograms of solvent. By knowing the constant for the solvent, how much solvent you have and how much solute you add, you can predict by how much (in degrees C) the BP or FP will change.However there is a simple analogy (that may be useful) which gives a simplified picture... Freezing involves the water molecules becoming very ordered in crystalline lattice... However when there are foreign particles such as Na+ and Cl- ions in the water they hinder the formation of the crystalline structure because they interfere with the intermolecular forces between the water molecules. Also, the freezing point depression and boiling point elevation are called colligative properties... that is, they are properties that depend only on the number of solute particles and not on their chemical properties... The third famous colligative property is osmotic pressure.

Answer 2

There are quite a few effects. First, dissolving salt in water will boost the boiling element of the water and cut back the freezing element of the water. It will additionally boost the water's density and make it habit electrical energy extra effectively. Do any of those help?

Answer 3

1. It makes the water salty (this is very important).

2. It turns it into an electrolyte. (Got you there didn't I?)

3. Helps make it corrosive (part of 2 really)

4. Increases density (think of the Dead Sea)

Answer 4

Higher boiling point, lower freezing point, and it also makes water conduct electricity a bit. (Contrary to popular belief, pure water is not a good conducter of electricity)

Answer 5

salt has many effects like it makes it boil faster it makes it more dence and it makes it salty=(

Answer 6

Higher boiling point. Heavier.

Answer 7

It would also decrease the vapor pressure