Why do you think sodium (Na) reacts so differently on its own as compared to with when it's bonded to chlorine as in table salt (NaCl)?

Which of the following is most likely true about water in chemical solutions?

The data below were determined for the reaction shown below. s2o82– + 3i – (aq) → 2so42– + i3– expt. # [s2o82–] (m) [i –] (m) initial rate 1 0.038 0.060 1.4 × 10 – 5 m/s 2 0.076 0.060 2.8 × 10 – 5 m/s 3 0.076 0.030 1.4 × 10 – 5 m/s the rate law for this reaction must be:

What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm?