HOFBrINCl

can someone help me on these 2 questions so i can get an idea to do the rest of mine.

im given hydrochloric acid and a marble chip (calcium carbonate i think), so what would be the reactants, the word equation, the balanced equation, prediction of type of reaction for this?

and another one is with sulfuric acid, phenolphthalein (which is an acide base indicator my teacher said) and sodium hydroxide.

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