A piece of copper alloy is heated to 105oC. It is then placed into 200.0 g of water at 45oC. The specific heat of water is 4.18 J/goC. How much heat energy is absorbed by the water? q=mCpΔT

Astudent made the lewis dot diagram of a compound shown. what is the error in the lewis dot diagram? a)an o atom should transfer all of its six electrons to mg because the formula is mgo b) both electrons of mg should be transferred to one o adam because the formula is mgo c) the electrons should be transferred from each o add him to capital mg because mg has fewer electrons d) the number of dots around mg should be four because it has to transfer two electrons to each o

Helium decays to form lithium. which equation correctly describes this decay?

The movement of tectonic plates and in two locations is described below: location a: tectonic played push together location b: tectonic plates push apart