Given the balanced chemical equation, 2 H₂O(→ 2 H₂ (8) + O₂ (s) AHx=+572 kJ Determine the heat associated with the reaction (an in kJ) when 4.85 grams of H₂(g) is produced. O +688 kJ Ⓒ-475 kJ -688 kJ +1.20 kJ +475 kJ

Q: Calculate the pH of a 0.591 M aqueous solution of benzoic acid (CH₂COOH, K₂ = 6.3x10-5). pH =

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Q: Based on the titration curve shown here, what is the pKa of the acid being titrated?

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Q: The hydronium ion concentration of an aqueous solution of 0.59 M hypochlorous acid is [H3O+] = M

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