45 three samples of the same solution are tested, each with a different indicator. all three indicators, bromthymol blue, bromcresol green, and thymol blue, appear blue if the ph of the solution is
(1) 4.7 (2) 6.0 (3) 7.8 (4) 9.9

Which of the following is not a true statement about dwarf planets? a the kuiper belt contains comets, asteroids, and dwarf planets. b ceres is a dwarf planet located in the kuiper belt. c the largest known dwarf planet in the solar system is named eris.

Asample of hydrated tin (ii) chloride (sncl2) has a mass of 4.90 g. when it is dehydrated, it has a mass of 4.10 g. which is the correct chemical formula for the hydrate? sncl2•2h2o          sncl2•4h2o          sncl2•6h2o

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