In an analysis carried out with water (H2O) at 90 °C, a chemist found an amount of hydroniums (H3O+) equal to 5 x 10-7mol/L and hydroxides (OH-) equal to 5 x 10-7mol/L. What will be the value of the water ionization constant Kw at this temperature?

Which describes interactions between substances and stomata during photosynthesis? check all that apply. oxygen enters stomata. oxygen is released through stomata. carbon dioxide enters stomata. carbon dioxide is released through stomata. hydrogen enters stomata. hydrogen is released through stomata.

How much heat is released upon converting one mole of steam (18.0 g) from 100.0 ∘c to water at 25.0 ∘c? show work and constants, trying to figure out how it works. only given the heat capacity for steam and water so try to only use that

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.