Answer:
Pyridine will neutralize the acid by-product of the reaction.
Explanation:
In the esterifications, hydrochloric acid is released as a by-product that reacts directly with the pyridine in the medium to give the pyridine hydrochloride.
That practice is over that day?
Answer:- C. decrease in temperature.
Explanations:- Solubility of a solid increases if the pressure is increased as the high pressure helps the solid to get dissolved in the solvent.
If the surface area of the solute is increased then more and more solute comes into the contact of the solvent and the solubility increases.
If the stirring is increased then it also helps the solute to get dissolved into the solvent.
Solubility of solids is directly proportional to the temperature.
So, if the temperature is decreased then solubility of the solute is also decreased.
A balance in a lab measures the weight of a substance or object.
Weight is the mass of the body x the gravitation pull on the mass of the object.
So the mass of the object can be found by dividing the weight by gravitational constant.
The gravitational constant on earth is 1. so if a balance says that a substance weighs 300g then its mass is also 300g on earth because 300/1 = 300.
Hope that helps :)
