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What is the relationship between molar mass and evaporation rates?
They are inversely related. This means that as molar mass increases, the rate of evaporation decreases. This is because as molar mass increases, the intermolecular bonds also get stronger, and it is more difficult to break those bonds and for liquid molecules to jump into a gaseous state.
Which has the higher limiting molar conductivity-NaCl or KCl And what is the reason?
KCl has a higher limiting molar conductivity than NaCl because potassium ions are larger and less hydrated than sodium ions, allowing them to conduct electricity more effectively in solution.
What is the difference between a molar solution and a normal solution?
A molar solution is a solution with a known concentration expressed in moles of solute per liter of solution, while a normal solution is a solution with a known concentration expressed as gram-equivalents of solute per liter of solution. Molar solutions are commonly used in chemistry, while normal solutions are used more in analytical chemistry and chemical analysis.
How do concentrated basic solutions differ from other basic solutions?
Concentrated basic solutions have a higher concentration of hydroxide ions compared to other basic solutions. This means they have a higher pH and are more caustic or corrosive. They can be more dangerous to handle and require more caution during use.
Why has bitumen got a higher boiling point than petrol?
Bitumen has a higher boiling point than petrol because it is made up of larger, heavier hydrocarbon molecules with more carbon atoms. These larger molecules require more energy to break the intermolecular forces holding them together, resulting in a higher boiling point compared to the smaller hydrocarbons found in petrol.
Why does a higher frequency wave have more energy?
A higher frequency wave has more energy because energy is directly proportional to frequency in waves. Higher frequency waves have shorter wavelengths and more oscillations per unit time, which requires more energy to sustain the faster oscillations.
What is higher kinetic energy ice or steam?
Steam has higher kinetic energy than ice because steam molecules have more thermal energy and move more quickly due to the higher temperature.
What container has more thermal energy?
The container that has more thermal energy would be the one with a higher temperature. Thermal energy is directly proportional to temperature, so the container with a higher temperature would have more thermal energy.
What is the pH of basic solutions?
more than 7.0
Does UV or red light have more energy?
UV light has higher frequency, so it has more energy than red light has
What is the effect of an object's height on it's potential energy?
Generally, the higher an object goes, the higher its potential energy will be. This is because higher object will have more energy when it falls.
If two waves traveling at the same speed have different frequencies which wave has more energy?
The wave with the higher frequency has more energy. This is because energy is directly proportional to frequency in waves - the higher the frequency, the higher the energy.
