#1: a gas effuses 4.0 times faster than oxygen (o2). what is the molecular mass of the gas? a. 1.0 g/mol b. 2.0 g/mol c. 4.0 g/mol d. 7.67 g/mol **not i think it's either b or what do u think? @mertsj : ),

This graph gives information on changes in sea ice extent in the arctic ocean over a 30-year span. the overall trend shows in the ice extent. to address the trend, scientists need to ask themselves, one direct consequence of the trend is that

This flow chart shows the amount of energy that is emitted by each type of light. ultraviolet > blue light > yellow light > red light (maximum energy) (minimum energy) in an experiment, shining which type of light on a strip of metal would be least likely to produce the photoelectric effect? ultraviolet light dim blue light bright red light bright yellow light

Which of the following electromagnetic waves can create ions?