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- What causes acid indigestion? List some common antacid ingredients and their side effects.Morphine is a weak base. A 0.150 MM solution of morphine has a pHpH of 10.5.What is KbKb for morphine?Calculate the maximum volume in mL of 0.15 M HCl that each of the following antacid formulations would be expected to neutralize. Assume complete neutralization. (Show work.) a) a tablet containing 250 mg Al(OH)3 and 150 mg Mg(OH)2 b) a tablet containing 850 mg of CaCO3
- Which structure below represents the strongest base in water.What is the H+ concentration for an aqueous solution with pOH = 4.00 at 25 degrees Celsius?Express your answer to two significant figures and include approriate unitsExplain why a sample of pure water at 40 °C is neutral even though [H3O+] = 1.7 × 10−7 M. Kw is 2.9 × 10−14 at 40 °C.
- a.) What is [OH−] in a solution with a pH of 9.67? b.)How much heat does your body lose when 1.6 g of sweat evaporates from your skin at 25∘C? (Assume that the sweat is only water.) The heat of vaporization of water at 25∘C is 44.0 kJ/mol. Express your answer in kilojuoles to two significant figures. c.) How many kJ of heat are needed to completely vaporize 1.30 moles of H2O? The heat of vaporization for water at the boiling point is 40.6 kJ/mole.Which of the following happens to acid when it reacts with another substance? It receives a hydrogen ion. It receives a hydroxide ion. It donates a hydroxide ion. It donates a hydrogen ion. Define cohesion. Describe how the cohesive property of water is useful for living organisms.Classify the following aqueous solutions as acidic, alkaline, or neutral, and describeyour classifications.(i) K3N(ii) LiH
- Prepare 1.5L of a 2M sulfuric acid aqueous solution.What volume of 6 N H3PO4 must be taken and how much water must be added to prepare 100mL of 0.5 N acid?What is the main purpose of preparing standard curve for nutrient determination in water? Draw a standard curve with appropriate label according to Beer’s Law.