The weather officials have been reminding us of an important event that's going to affect how soon or how late the Sun will rise and set. What's the name of this event?

Concerning the 10.0 ml of 0.50 m nacl to 100 ml of solution: when a solution is diluted, does it change the number of moles dissolved?

What is the approximate vapor pressure when the gas condenses at 70 degrees celsius

In the experiment you asked to react hydrochloric acid and with sodium hydroxide. when measuring the volume of the reactants, which instrument would give the greatest precision.