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Question: Trends in Lewis acid character and structure of aluminum clorid and in carbon family
Which of the following pairs might be expected to be more ionic? (a) CaCl2 or MgCl2 (b)NaCl or CaCl2 (c) NaCl or CuCl (d) TiCl3 or TiCl4
The activation energy for the formation of HCl from its elements: H2 (g) + Cl2 (g) → 2 HCl(g) is 155 kJ mol-1. How much faster will this reaction occur at 200°C versus at 100°C?
A 10.20-mL sample of sulfuric acid from an automobile battery requires 35.99-mL of 2.33 M sodium hydroxide solution for complete neutralization. What is the molarity of the sulfuric acid? Sulfuric acid contains two acidic hydrogens.
The blue color of dextran blue solution is due to the well-known, blue complex formed between starches and iodine. If you only had the absorption spectrum of this solution
A vapor composed of 0.45 mole fraction ethanol and 0.55 mole fraction acetic acid at 120.0 mmHg (absolute), is in equilibrium with a liquid phase also composed of ethanol and acetic acid. Assume that the liquid is an ideal solution and apply Raoul..
A bag of potato chips contains 580 mL of air at 25°C and a pressure of 755 mm Hg. Assuming the bag does not break, what will be its volume at the top of a mountain
The mixture has a total pressure of 114 kPa. What is the partial pressure of the dry hydrogen?
Which of the following sources of water is most likely to contain contaminants? How many grams of NACL would you add to 500 mL of water to create a 1.75M solution of NACL? (1M of NACL = 58.5 g)?
A colored substance Z has an absorption maximum at 350 nm. A solution containing 2 mg of Z per liter had an absorbance of 0.850 using a 1 cm cell. The formula weight of Z is 148.
First Order Kinetics: A worker in a hazardous waste recycling facility inhales and absorbs toulene at a rate of 22 micrograms / hour. He excretes 2 L per day containing 18 micrograms / liter toulene
Write the reaction that occurs when HNO3 is added to ammonium (NH4+)/ammonia (NH3) buffer system.
Thermodynamic Processes. a volume of 20 cu ft of air at pressure of 50 psig is heated and expanded to 30 cu ft and 40psig find the change in the energy of air in joules.
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