Which reaction below represents the second ionization of sr? a. sr(g) → sr⁺(g) + e⁻ b. sr2⁺(g) + e⁻ → sr⁺(g) c. sr⁺(g) + e⁻ → sr(g) d. sr⁻(g) + e⁻ → sr2⁻(g) e. sr⁺(g) → sr2⁺(g) + e⁻?

0.2348 grams of pbcl2 used to form 44.0 ml of solution.

What is the mass of each element in a 324.8 sample of co2

Aradio signal from a gps satellite take only about 0.067 seconds to reach a gps reciever. if the speed of light is about 300,000km/s, then approximately how far away is the reciever from from the satellite?