Suggest an explanation for these results. (Hint: these dyes are often used as acid-base indicators. What is the pH of the TLC elution solvent? What is the pH of 1M HCl?)

Which statement is best described as a atom

Why do oxygen have a strong attractive force for electrons

Calcium carbonate decomposes at high temperatures to give calcium oxide and carbon dioxide as shown below. caco3(s) cao(s) + co2(g) the kp for this reaction is 1.16 at 800°c. a 5.00 l vessel containing 10.0 g of caco3(s) was evacuated to remove the air, sealed, and then heated to 800°c. ignoring the volume occupied by the solid, what will be the mass of the solid in the vessel once equilibrium is reached?