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2021-05-17

When new evidence is discovered what must Scientists do next and why?

When new evidence is discovered what must Scientists do next and why?

When new evidence is discovered, what must scientists do next, and why? They must adjust the scientific ideas to account for all of the known evidence. This process makes scientific knowledge even more durable.

What is the best solution to a marine science problem?

Scientists find the best solution to a marine science problem by always asking questions and testing them also by observing throughout the experiment.

How can you increase the solubility of a solid?

For many solids dissolved in liquid water, the solubility increases with temperature. The increase in kinetic energy that comes with higher temperatures allows the solvent molecules to more effectively break apart the solute molecules that are held together by intermolecular attractions.

What 3 conditions are needed to increase the solubility of a solid dissolved in liquid?

Three ways I can come up with are increasing the temperature, increased the amount of solvent, and using a solvent with similar polarity as the solute.

Why does crushing a solid cause it to dissolve faster?

Crushing it has increased the surface area so it speeds up the dissolving process but doesn’t change maximum solubility. Crushing it has really no affect on solubility because we have not stirred it at all. Crushing it has increased the surface area so it increases the maximum solubility.

Why Ethanol is soluble in water?

Ethanol is soluble in water primarily because of the presence of -OH group that allows or enables it to form hydrogen bonds with water molecules. In other words, ethanol is soluble in water because it is a polar solvent.

What happens when ethanol is dissolved in water?

When ethanol dissolves in water, the ethanol molecules remain intact but form new hydrogen bonds with the water. When, however, an ionic compound such as sodium chloride (NaCl) dissolves in water, the sodium chloride lattice dissociates into separate ions which are solvated (wrapped) with a coating of water molecules.

Why acetic acid is highly soluble in water?

Why is acetic acid highly soluble in water? However, acetic acid is able to form many new hydrogen bonds to water molecules and so this results in a highly favourable interaction, leading to the high solubility of acetic acid in water.

Which alcohol is more soluble in water?

Because of the strength of the attraction of the OH group, first three alcohols (methanol, ethanol and propanol) are completely miscible. They dissolve in water in any amount….Alcohol solubility chart.

Name Formula Solubility
Ethanol C2H5OH miscible
Propanol C3H7OH miscible
Butanol C4H9OH 0.11
Pentanol C5H11OH 0.030

Which is more soluble in water alcohol or amine?

Explain? Alcohols are more soluble in water then amines because electronegativity of O is greater than that of N, and hence the alcohol molecule is more polar than amine molecule. So, -OH group of alcohol forms more stronger hydrogen bond with water then -NH group of amines.

Which is more soluble in water alcohol or phenol?

As the hydrocarbon part of an alcohol gets larger, the alcohol becomes less water soluble and more soluble in nonpolar solvents. Phenol is somewhat soluble in water. It acts as a weak acid in water, so a solution of phenol will be slightly acidic.

Will Alcohol & phenol soluble in water Why?

Alcohols : Alcohols are soluble in water because they form intermolecular hydrogen bonding with water molecules. Phenols : Phenols also form hydrogen bonds with water and hence are soluble in water.

Which has more boiling point alcohol or phenol?

Phenol has the higher boiling point about 181.7 °C, because in phenol the -Oh group is attached to an unsaturated carbon atom due to which it forms stronger hydrogen bonding than the alcohols and so phenol is more soluble in water and need more energy to break the H-bonds which increases its boiling point.