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Medicina ·
Química
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produto i\u00f4nico da H2O\nH2O H+ (aq) + OH- (aq)\nK i = [H+][OH-] K i . H2O\nK w = [H+][OH-]\n25\u00b0C\nK w = [H+][OH-] = 1 \u00b7 10^-14\npH \u00e1cida \u00e9 b\u00e1sica\n[H+] > [OH-]\nNeutra\n[H+] = [OH-] = 10^-7\nb\u00e1sica\n[H+] < [OH-]\nUPF\nK w = 10^-14\nK w = [H+][OH-] = 1 \u00b7 10^-14\npH + pOH = 14\np = -log [H+]\np OH = -log [OH-]\nSOLU\u00c7\u00c3O TAMPAO\nA solu\u00e7\u00e3o de pequena quantidade de \u00e1cido ou base (mesmo fraca) praticamente n\u00e3o altera o pH.\nex: \u00e1cido fraco + seu sal } ex: HCN + NaCN\nou\nbase fraca + seu sal } ex: NH4OH + NH4Cl\nHIDR\u00d4LISE SALINA\nSAL CAR\u00c1TER pH HIDR\u00d4LISE DO CONSTANTE DE HIDR\u00d4LISE\nAb \u00e1cido < 7 c\u00e1tion K h = K w /K a\nAB b\u00e1sico ou 7 \u00e2nion K h = K w /K b\nab neutro = 7 n\u00e3o sofre hidrolise K h = K w /K a-K b\nab neutro = 7 c\u00e1tion e do \u00e1nion
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produto i\u00f4nico da H2O\nH2O H+ (aq) + OH- (aq)\nK i = [H+][OH-] K i . H2O\nK w = [H+][OH-]\n25\u00b0C\nK w = [H+][OH-] = 1 \u00b7 10^-14\npH \u00e1cida \u00e9 b\u00e1sica\n[H+] > [OH-]\nNeutra\n[H+] = [OH-] = 10^-7\nb\u00e1sica\n[H+] < [OH-]\nUPF\nK w = 10^-14\nK w = [H+][OH-] = 1 \u00b7 10^-14\npH + pOH = 14\np = -log [H+]\np OH = -log [OH-]\nSOLU\u00c7\u00c3O TAMPAO\nA solu\u00e7\u00e3o de pequena quantidade de \u00e1cido ou base (mesmo fraca) praticamente n\u00e3o altera o pH.\nex: \u00e1cido fraco + seu sal } ex: HCN + NaCN\nou\nbase fraca + seu sal } ex: NH4OH + NH4Cl\nHIDR\u00d4LISE SALINA\nSAL CAR\u00c1TER pH HIDR\u00d4LISE DO CONSTANTE DE HIDR\u00d4LISE\nAb \u00e1cido < 7 c\u00e1tion K h = K w /K a\nAB b\u00e1sico ou 7 \u00e2nion K h = K w /K b\nab neutro = 7 n\u00e3o sofre hidrolise K h = K w /K a-K b\nab neutro = 7 c\u00e1tion e do \u00e1nion