What is the density, in g/l, of sf6 gas (146 amu) at 27°c and 0. 500 atm pressure.

5. to comply with implementation requirements, shops must ensure that paint booth exhaust systems use efficient spray booth filters. a) 75% b) 100% c) 50% d) 98%

When graphing a linear equation that is written in the form y=mx+b, the variable m represents the y-intercept. assuming that b> 0, which of the following best describes how reversing the sign of b would affect the graph? a) the new line will be shifted down b units b) the new line will be shifted down b x 2 units c) the new line will be a perfect reflection across the x-axis d) the new line will be a perfect reflection across the y-axis

Iknow this isn't a question, but is there someway to ask a question under public safety or is there no category for it? i don't know if i'm overlooking it or not.