Much of the gas near the sun is atomic hydrogen. its temperature would have to be 1.5x107 k for the average velocity vrms to equal the escape velocity from the sun. what is the velocity?

The correct answer should be b let me know if i’m wrong

The chemical reactions lab we did is typically called a "copper plating lab,  because the acid solution cleaned the pennies and made the copper look shinier;   the acid solution cleaned the paperclips and made them look like pennies;   &   the copper from the pennies was removed, and then added to the paperclips.