How many grams of NH3 can be dissolved in 300g of water at 80°C?

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

Describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? )

What is the temperature of one mole of helium gas at stp?