Calculate the concentration of H3O⁺ in a solution that contains 5.5 × 10^-5 M OH⁻ at 25°C. Identify the solution as acidic, basic, or neutral.

a- 1.8 × 10^-10 M, acidic
b- 1.8 × 10^-10 M, basic
c- 9.2 × 10^-1 M, basic
d- 9.2 × 10^-1 M, acidic
e- 5.5 × 10^-10 M, neutral

The blackbody curve for a star name zeta is shown below. what is the peak wavelength for this star ?

What happens when an atom of sulfur combines with two atoms of chlorine to produce sci2? a. each chlorine atom shares a pair of electrons with the sulfur atom. b. an electron is transferred from each chlorine atom to the sulfur atom. c. an electron is transferred from the sulfur atom to each chlorine atom. d. each chlorine atom shares all its valence electrons with the sulfur atom.

Is powdered sports drink ionic or covalent ? 10pts !