can someone please answee the questions below. thank you A drug becomes more sol

Question

can someone please answee the questions below. thank you

A drug becomes more soluble in water when the solution is warmed. Classify the dissolution as endothermic or exothermic Given that the solubility S of drug in a mixed water/co-solvent system is given by the equation Log S= mX + c Where m and c are constants and X is the volume fraction of the co-solvent added to water, determine the minimum amount of ethanol required to make a 100 mL of a solution of atropine of concentration 0.02 g mL^-1 The solubility of atropine in water is 1g in 455 mL the solubility of atropine in water is 1 g in 2 mL

Explanation / Answer

Endothermic reactions
In these reactions energy is absorbed from the surroundings. The average kinetic energy of the surrounding decreases causing the reaction mixture to get colder. Some examples of endothermic reactions are:
• the reaction between barium hydroxide and ammonium chloride
• the reaction between ethanoic acid and sodium carbonate

From the above information

The drug is more soluble due to increase in temperature is endothermic process.

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