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Classify each of the listed catalysts as a Lewis or Broasted-Lowry acid or base. (Sulfuric acid, Phosphoric acid, Magnesium bromide etherate, Aluminum chloride, Calcium carbonate, Sodium acetate, Triethylamine, and 4-N,N-dimethylaminopyridine)
1. which two of the following are able to be calculated based on the data provided.amplitude wavelength or frequency.2.
Calculate the molarity of the solution. How many grams of KNO3 are needed to make 450 mL of a solution that is to contain 5.50 mg/mL of potassium ion?
The pH of a 0.10 M nicotinic acid solution is 2.93. What is the approximate value of Ka for nicotinic acid, HC6H4NO2? Assume small percent dissociation
How many moles and number of ions of each type are present in the following aqueous solution. 471 ml of 0.21g aluminum sulfate/L
Diagram the oxidation reaction (using expanded structural formula) of secondary butanol. Name the product
a weather baloon is filled with 195.0 L of He and launched from sea level. The baloon is designed to continue its ascent to an altitude of 30 km. If the atmospheric pressure at 30 km is 28.0 torr and temp is 41 C, what is the volume of the baloon ..
Calculate the hydronium ion concentration and the pH after the addition of .25mL of .10 M HCl to each one. What accounts for the difference in hydronium ion concentrations? Explain this based on equilibrium concepts.
A solution is prepared by dissolving 138.50 g of sucrose, a nonelectrolyte, in 250.0 g of dionized water. The freezing point of the solution was determined experimentally to be -3.0 C.
Hydroxide ion reacts with lactic acid as soon as it is produced. The endpoint of the reaction is detected with an acid-base indicator. It required 111 s for a current of 13.2 mA to reach the endpoint.
What is the pressure (in mmHg) of the gas inside the apparatus below if the atmospheric pressure is Patm=775 mmHg, h1=20 mmHg, and h2=50 mmHg
According to the following reaction, how many grams of tetraphosphorus decaoxide are required for the complete reaction of 29.9 grams of perchloric acid (HClO4). perchloric acid (HClO4) (aq) + tetraphosphorus decaoxide (s) phosphoric acid (aq) + d..
question a chemical reaction takes place inside of a simple constant pressure calorimeter that contains 100g of water.
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