Agas with an empirical formula no2 has a molecular weight of 92.0g/mol. a possible molecular formula for the gas is a) no2 b) n2o3 c) n3o6 d) n2o5 e) n2o4

Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.

What is the value of the standard enthalpy of formation of an element in its most stable form?

Why can water dissolve many ionic compounds