You are asked to analyze a solution for the cations Zn2+, Ag+, and Ba2+. You add hydrochloric acid. A precipitate forms. You filter out this solid and add sulfuric acid to the solution. A white precipitate forms. You filter out this solid also, and then add hydrogen sulfide to the solution. Nothing appears to happen. Which cations were present in the original solution?

Matter- occupies space and possesses rest massno matter is the opposite

Answerit curves up and levels out.explanationwe assume that the container contains absolutely no ammonia to begin with as it states that "nitrogen gas and hydrogen gas" react to "produce ammonia."at dynamic equilibrium, the product and reactant concentrations are equal.this means that, starting from a concentration of zero, [nh₃] must curve "up" from zero and then level out to a constant concentration.

Change of state has wrong energy change - option 2

brian made this table to organize his notes on changes of state. depostion is a change of state that has the wrong energy change listed. it is utilized to collect data as a portion of the development means and in restricted conditions which may be applied at test.

a deposition in the authority of the united states or research for development in the authority of canada includes the catching of affirmed. the out-of-court verbal assertion of a spectator that may be lessened to a printed record for succeeding application for discovery purposes.

The answer is a. that is an exothermic reaction which means it produces heat