Relationship between midnight line and international date line

AI Thread Summary
The midnight line and the International Date Line are interconnected concepts that define the transition of days across the globe. The International Date Line serves as the boundary where one calendar day ends and another begins, while the midnight line represents the point at which a new day starts at midnight. When the entire world shares the same day, the significance of the International Date Line diminishes, as the distinction between days becomes irrelevant. Understanding this relationship highlights the complexities of timekeeping and global synchronization. The discussion emphasizes the importance of these lines in defining time zones and the flow of time worldwide.
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What will be the relationship between the midnight line and the international date line when the entire world has the same day?

Can I get some hints I'm stomped.
 
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Tell us what you're thinking. What do you know about the International Date Line?
 
The international date line changes the days when you cross over it I believe.
 
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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