Help with these chem problems! 1) 2.000 x 1018 am3 to pm3

2) Convert 0.0006630 nm3 to fm3

Thanks!

4moles of nitrogen gas are confined to a 6.0 l vessel at 177 °c and 12.0 atm. if the vessel is allowed to expand isothermally to 36.0 l, what would be the final pressure?

Which type of substance ionizes partially and gives off hydrogen ions when dissolved in water? a. strong acid b. strong base c. weak acid d. weak base

Electric charge is what ? a. kinetic energy b. radiation c. discovery d. electricity