Determine property of solution

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The discussion focuses on the effects of a nonvolatile solute on various properties of a solution compared to a pure solvent. The key point is that the boiling point of a solution with a nonvolatile solute is elevated compared to that of the pure solvent, making boiling point the correct answer. In contrast, the freezing point is lowered, the triple point remains unchanged, and vapor pressure decreases in the presence of a solute. Participants are encouraged to review colligative properties to understand these changes better. Understanding boiling point elevation is essential for grasping how solutes affect solvent properties.
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For which property is the value greater for a solution of a nonvolatile solute than for the pure solvent? a.boiling point b.freezing point c.triple point d.vapor pressure

Please explain the answer. thanks
 
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Please read about colligative properties in your textbook or wikipedia, then think - for each of the answers given - how the property listed changes in the presence of nonvolatile solute.
 
As Borek mentioned research "boiling point elevation".
 
Thread 'Confusion regarding a chemical kinetics problem'

Thread 'Confusion regarding a chemical kinetics problem'

TL;DR Summary: cannot find out error in solution proposed. [![question with rate laws][1]][1] Now the rate law for the reaction (i.e reaction rate) can be written as: $$ R= k[N_2O_5] $$ my main question is, WHAT is this reaction equal to? what I mean here is, whether $$k[N_2O_5]= -d[N_2O_5]/dt$$ or is it $$k[N_2O_5]= -1/2 \frac{d}{dt} [N_2O_5] $$ ? The latter seems to be more apt, as the reaction rate must be -1/2 (disappearance rate of N2O5), which adheres to the stoichiometry of the...
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