2. A sample of gas occupies a volume of 1.50L and has a pressure of 1.50atm. The gas expands and occupies a volume of 3.75L. What is the new pressure of the gas? Assume the temperature remains constant.

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

Stage in which a typical star has completely stopped fusion

What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm?