ClHCl is added to the solution so that the H3O H3O concentration is 0.300 MM. H2SH2S gas is bubbled through the solution to attain a H2SH2S concentration of 0.100 MM. Predict which of the sulfides precipitate under the given conditions.

in cartography, a contour line (often just called a "contour") joins points of equal elevation (height) above a given level, such as mean sea level. a contour map is a map illustrated with contour lines, for example a topographic map, which thus shows valleys and hills, and the steepness or gentleness of slopes.

explanation:

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o conteúdo de calor de um sistema é igual à entalpia apenas para um sistema que é constante