Compare the conjugate bases of these three acids. Acid 1: acetic acid , CH3COOH Acid 2: hydrofluoric acid , HF Acid 3: dihydrogen phosphate , H2PO4- What is the formula for the weakest conjugate base

9. write the chemical equation for the following word equations. include symbols for physical states in the equation. a. solid zinc sulfide + oxygen gas -> solid zinc oxide + sulfur dioxide gas b. aqueous hydrochloric acid + aqueous barium hydroxide -> aqueous barium chloride + water

Calcium hydride (cah2) reacts with water to form hydrogen gas: cah2(s) + 2h2o(l) → ca(oh)2(aq) + 2h2(g) how many grams of cah2 are needed to generate 45.0 l of h2 gas at a pressure of 0.995 atm and a temperature of 32 °c?

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?