NEED HELP ASAP The decomposition of N2O5 to NO2 and NO3 is a first-order gas-phase reaction. At 25°C, the reaction has a half-life of 2.81 s. At 45°C, the reaction has a half-life of 0.314 s. What is the activation energy of the reaction?

About 70 percent of the earth's surface is water-covered, and about 96.5 percent of all earth's water is salt water. identify the watery feature on earth that is made of freshwater rather than salt water. a) bay b) glacier c) ocean d) sea it is not incomplete this is the true question

Aradio signal from a gps satellite take only about 0.067 seconds to reach a gps reciever. if the speed of light is about 300,000km/s, then approximately how far away is the reciever from from the satellite?

An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.